this week in science we continued to learn more about force diagrams, but we were mostly foucusing on friction. friction is basicly the force pushing back on the motion. we had to write a story about friction and in a world with no friction it would be like you could not drive or walk anywere because you can never get footing. so we have to have friction in our lives everyday. then we started to observe the sleeping dogg and how it moves when it have friction and how it moves when it does not. knowing this will help me in the real life because if someone ever asked what friction is i can give them a whole thing about it.

this week in science we continued our learning on force and force diagrams. over the weeks we have been getting different scenarios like the one that we got at the end of the week with the girl in the elevator. basicly this was a girl on and elevator and she had a scale and when the elevator went down she lost weight and when the elevator went up she gained weight. so after discusing this we decided that she is losing weight because she is going with the elevator making there less force on the scale. but when the elevator is going up she is applying extra force on the scale making the number of nutiens increase.

this week in science after we were all done with the test and ready to move on to the next unit we were talking about force. force can get very complicated but to make a vvisual to understand it more Mr. Segen introduced us to a force diagram. A force diagram is not that much different then the passed diagram, it consits of a positive and negative directions, drawings like dots, but the detail that is essential to a excelant force diagrame are lables. examples of lables that will be needed are: ammount of nutons. a notun is a number that discribes how much force is being pulled. you also need to tell which direction the force is going. and last what is interacting with it like the earth or a person. earth meaning gravity and person meaning pulling. that raps it up


GreEn TeaM************

this week in science we kept on practicing with the formulas that we know to find speed on a graph. what we have learned is that in order to find the speed of jsomething on a graph you have to get the dealta positon which is what was the change of position over time then you have to divide that by delta time which is the change of time. for example if you had a 35 positoion change and a 75 time change then you have to divide 35 by 75 which is .47 is your speed. at the end of the week we had a quiz on all that we wree learning about this then the week eneded.

this week in science we got proposed a new question from mr.segan and mr. finley. it was if we had a slow car and we had a fast car and we put them a few meters a away from each other, we would have to find out at what positoion are they going to hit. the experiment that my rable came up with was: we are going to do the same thing as we did with the walking experiment and find how many meters per seconds each car moves. after we get that info we can plot that on a chart and see where each one itrelocks which in real life would be were they crash. after we are done with the prediction we will go on test if the graph mathches the car in real life. my tables results was for the slow car it moved 7.13 seconeds per meter and for the fast car it moved 3.37 seconeds per meter. after that we thiiught it wwould be eaiser if we found out how far they would go in one minute so for the fast car it went .16 meters in one seconed. after we graphed the info we saw that they were going to crash at 13.43 seconed and four meters after we tested it out we saw that it was pretty close to what we predicted so the other time that was off was probably just a confounding variable.


GreEn5

this week in science was short but we still did a lot of things. well earned how to find they speed of something by just looking at a graph. you cant always give mph but you could give meter per second or even meters per hour ect... another thing that we learned how to do is finding the slope of the trend line, and also we learned that the speed and the slope are the same thing. we also learned hoe to write functions that represents tables or graphs. the function is like the pattern of time and position then you just write it out like, x(+)=2(m/s)-t that's a function. that wraps it up.


GReEn 5

this week in science we learned how to draw create and plot data on a graph and table. the things that we learned about graphs were when the line on a line graph curves down or up, if it curves up it is accelerating or going faster because it is traveling more distance per time unit. if it curves down then it is going slower because it is traveling less distance per time unit. if the line goes straight across the graph then it is not moving at all. the other time that we learned is that when something slowes down it moves horizontal.and for tables there is not that much to know or learn. thats it, peace.



GReEn teAm

this week in science i missed the first few days so i cant really talk about how the dissection went. ill try to look on to others blogs to get an idea about what went on. But starting Wednesday when i came back we started to learn about how motion works and what we started to think about is if your moving or if somthing else is moving. sfter we got passed that we wanted to see which way that they were moving so right and left that would work right? wrong because people have different rights and differnts lefts depending on which way they are standing. so we thought of positive and negitieve. that means well first you have to label if the positive is up or down and same with neg.. after you got the base down you can tell which way motion is moving were ever you are.

this week in science we wrer going over how to draw and label wave models. In the begining of the week we started off with the basics like how to draw the waves at different rates of speed. i learned that in order to show the different speedes of the waves you are going to have to make the waves closer together for faster rate of speed and if you want to make the waves look like they are going slower you are going tot have to make the waves fater apart. After we learned hoe to do that we went on the more details of the wave model. like how i learned what a normal line is: it is the line the is pepandicular to the ray beem and the wave. the light can ethier bend toward meaning down or away from the normal line, which in most cases it bends away. after we learned that we drew a wave model with all the details that it should show. If you want to draw a wave model you should show the waves, the speed of the waves, normal line, the angle of incedences, the way the light bends, the light source, and arrows to not make it confusing. knowing this in the real world would help you by, well im not really sure how this would help you out but if someone was like wow look the light is bending you can give them them a very detailed desception of that.

this week in science we did a lot of things luike in the begening of the week we were thinking waht would happen if we shine light trhough water or glass. after going on the computer and looking at this experiment we saw that whenm light hits glass or water then it has a slight curve to it. we also did our own little experiment were we wshined the light through the glass or water and marked it on a board with a dot. after that we took the light and shined it regularly and we saw that the dot had moved slightly to the left. So later on to this week we were talki9ng and disscusing about this. we also predicted wrong we thought that the light would bend up. bend up meaning up towards were it was oppsoed to but it bended down ward.

this week in science was important. we had to experiment our hyoithesis on how we all think that when you shine the beem in the mirror it reflects on the same angle. the way that we tested this was we got a protractor and put it upward on a mirror at 90 degrees and shined the light on and angle then saw if it reflected on the same one. Bryan and i did not like this experiment because we thought it would be better too put the laser on the mirror and claped the chalk erasers so we can see the beam clear. when we saw the angle and the beam clear we tryed to take a picture of it but that faild because we could not get a good shot of it. we decided to go back to the originasl experiment which was a lot eaiser. afeter i finesd that experiment the results matched the hypothesis .

this week in science we continued to learn and experimaent more on light. in the bigginig of the week we noticed that when the light hits the mirror you can bearly see tyhe dot on the mirror so mafter noticing that we pridictied and experimanted more and more on this. the experiment was to see when we shin the light in different objects if it has the same size brightnees and also reflectivness. we made a chart and then we recorded it on a scale on to one to five. our groups predic tion was that on lighter colors like white threr is more reflectivnees and on darker colors like black there is more absobstion. also early in the week we had a quiz which i though was fairly easy if you wrer paying attention in class. that wraps it up.



GrEen****5

this week in science we started to learn how the laser pointer works and also the basics of light. The first question that Mr.finley gave us was how does the dot on the laser pointer move around. is it magic no we learned that the way the dot moves around is by a beam that shoots out of the tip of the laser. we figuerd this out by, when we claped two chalk erasers with chalk on them and shot the laser in that area we can easily see the beem the moves the light. this does not only work with chalk dust we saw it works with a smoke machine and also sprinkles of water so that lead me to believe that sny flaky thing is going to make the beem show clealy until it hits a soild object. after we were done with the laser pointer we moved on to light bulbs. we were not just focusing on the light bulbs we were mostly focusing on the billions and billions of rays that the light bulb lets out. we new it was such a big number of rays because were ever we stood in the sight of the light we are going to see light from the rays. also the power of the rays is very large because when we covered it with tap or socks lol it did not effect it too much.. that covers this week in science

TeAm GrEen!!!!

This week was an important and very long week in science. To start things off on monday i had to finish the documentarys which was very interestion, even tho i dont believe in that. All of the viedos where about the different places and other things that our ''ancestors'' were. A little tip foe people that are just going in to that group is dont pay antention to all of the jobs that people had and worrie and write more notes of what the apes did and how they survived. Later in the week I changed groups which right now for me is some what confusing because i missed a day of school but my friends helped me cath up. In this group we are basicly grouping different things and learning what the inportance is of having a grouping skill. well that was my week bye.

5

this week in science weekwe did a lot of things and also learned a lot. Starting off with reading how evolution started with Darwin in galapodos(sory about speeling) it was a very interesting article on how he tested with iguanas. So later in the week we had a quiz on all that we were going through it was not to bad if you took notes and paid attention. it was all about evolution and genetics that help the creature. for example when we were studting iguanas the positives where that it blends in to pretect from predetors and clwas for climbing and ect. so this was a packed week that was good.
5

this week in science was no the best week of themarking period but we did somethings. it was no the best because we had no on really to ask questions to that knows science because mr.finly was out sick. But the things we did when he was gone was looking at simulations of guppy sex and writing on google docs what we think it is alll about. also we saw that in differnt enviorments change quickley the animal dies because it does not have thesame food and it can get eaten by other predetors. also when there is to mant organisums in one enviorment it is hard to survve because there is no room and no food. that is pretty much what i learned and did this week see you next week. 5

during the experiment that we just had to create and do i learned a lot. starting off with that it is almost imposaible to have an experiment with no comfounding variable and i did not know that before i actually created and disscused all the different possiblilties. for example you can have like the way you speak the time of day the light ect. But i think we got pretty close. that is pretty much the biggest thing that i learned exexpect the a different material effects the cockroches leg strenth

five things that i learned about science in the real world



1. I learned how my body heals it self after i get a cut ,through mitosis



2.i learned how a remote on a television works.

3. also i learned how important tress and plants are how they give off oxegeyn

4. also i saw how when it is hot out all of my basketballs that are lying in the sun gets pumped up because it expands.

5. last in the car when it is dark out the sencer auto maticly puts the lights on.

this week in science was a very long big and gross week. because on Monday he told us that we had to hold and observe cockroaches so i thought that it would be easy and fun but the cockroches are very hard to observe and hard to pick up because there legs are really strong, unfortuatley for me when i picked him up he went to the bathroom all over my hand. So for the rest of the week we wwhere basiclly trying to find new things about them. Last at the very end of the week we had our test which was not to bad if you new your stuff but if you didi not study it could of been difficult. the test was no surprise of what was going to be on it it was just like the study guide. So i wondeer what we are going to do today peace out!!!!!

Over the pass few week we have been doing a experiment/project of reproducing bugs, By mating with other classmates. So genetic variety had a big part in this because it gave us our geno types for our bug so we had to know what it looked like. If it was not for genetic variety then evry bug will be the sane it is like the same thing in us humans everybody if different and that is because we each have different genes that we get carried over from our parents so that would be the reason why you look like you family. a straight deffenition from wikipedia is A gene is the basic unit of heredity in a living organism. The gene comes from DNA which we all have in us so without genetic variety we would have no geno types and evry body would look and do the same.

this week in science was not a good week for me because i was out the first three days so i am a little confused about what is going on my friend tryed to clear it up for me by teaching it to me but it was hard to do it with him. but on thursday and friday we started to do a lab by being flys and we have to draw all of our traits on our body.then we found out that if we write any one namme on our blog then we would have to take it off because it was shoeing up on google and he did not want that to happen. that is all that has happened to me this week.

This week in science was to me a very important week because in the begginig of the week we where still leaning about genetics but only this week we took it to a whole nother level. LIke we started to learn the proprer names for the geno types like homozygous would mean the same and heterozygous would mean different but also we stated to talk about if they where recesive or domanite which basicly means if it is domanit it can eighter be AA or Aa but if it is recesive it could be aa but it also depends on if it is heterozygous or homo. So later it the week we started to test our knowledge and do an experiment which intails us cutting out pieces of sperm and egg cells and putting them in a jar to test if the percents that we have are correct. Then on the last day friday we had a pop quiz which was not to bad if you knew what you where talking about. So i learned a lot this week it was a good week
!!!

this week in science we learned a whole new unit about jeans and how we get them. So on Monday when we all where just new people to this it was really confusing but then he taught us a method called the punit square. the definition of it is The 'Punnett square' is a diagram that is used to predict the outcome of a particular cross or breeding experiment and it was created by Reginald Crundall Punnett a brilliant man. so any way the punit square shows us what the percentage of us getting a certain kind of genes. so in the middle of the week wendsday we where getting ready to start this new lab about the way people have different thing like for instance if some people taste this cemical or not i did not but i am pretty sure my friend todd did. So that is what we did on friday and i think that that is really cool because not everyone acts the same way.

this week In science we did a lot of cool things starting off the week by learning the process of Moises. so after learning about that through out the weeks we had a quiz on the difference on Moises and mitosis and the similarities also. if you studded the quiz would not be too hard but i did not study to well so the quiz was a little difficult for me. so after the quiz the next day we have a sub and we had a lab to do it was to find out what pairs or pees bread different pees. And i learned that is a smooth pee and a smooth pee bread then the result will come out to be a smooth pee, Also if you bread a wrinkled pee with a wrinkled pee than the result will come it to be a wrinkled pee. But the final one that we had to do was to bread a smooth pee with a wrinkled pee and the result came out to be that sometimes it comes out to be smooth and other times it comes to be wrinkled, It is kinda the same process as having a baby because when a female and a male "bread" then the result sometimes comes out to be a boy and other times it comes out to be a girl. So then the last day of the week Friday we had to do another lab but this time it was not about pees it was showing us how they bread so we took notes and stuff on each slide. But then the "exciting" part was that we got to play a game that i was mot to good at but apparently Todd was so he helped me out. So ant the end of the week I realized that i learned a lot by doing the labs. So have a good vacation!!!!!

this week in science we learned a lo of things starting off the week by learning the differences between meiosis and mitosis. We learned that they pretty much have the same process but a little different steps happen. off of wikipedia i thought that this pretty much explained meiosis, meiosis is a process of reductional division in which the number of chromosomes per cell is cut in half. In animals, meiosis always results in the formation of gametes, while in other organisms it can give rise to spores.
Meiosis is essential for sexual reproduction and therefore occurs in all eukaryotesand mitosis is the process in which a eukaryotic cell separates the chromosomes in its cell nucleus, into two identical sets in two daughter nuclei.[1] It is generally followed immediately by cytokinesis, which divides the nuclei, cytoplasm, organelles and cell membrane into two daughter cells containing roughly equal shares of these cellular components but some simularities and differences i found on diffen.com and it said Mitosis is a type of cellular reproduction where a cell will produce an identical replica of itself with the same number and patterns of genes and chromosomes. Meiosis, on the other hand, is a special process in cellular division where cells are created containing gene patterns of different types and combinations with 50% of the number of chromosomes of the original cell.
Meiosis is used in sexual reproduction of organisms to combine male and female, through the spermazoa and egg, to create a new, singular biological organism. Mitosis is used by single celled organisms to reproduce, or in the organic growth of tissues, fibers, and mibranes.

this week in science we did a whole lot of stuff starting off the week by learning the process and the steps of mitosis. we learned that the first procees in mitosis is prophase accoring to the book. Because there are some people that think the first step is interphase but that actually happens before the process of mitosis. Also we learned the last step in mitosis is telophase again that is occuring to the book because people think the the last stadge in mitosis in cytokenise but that actua;lly happens after the procces of mitosis. also we learned what happens in each stadge of the cell, which i am going to put because I got really good info on it from the URL, so if you are not to sure about the different stadges of mitosis i encourage you look at the info below :)http://www.biology.arizona.edu/Cell_bio/tutorials/cell_cycle/cells3.html


Interphase
The cell is engaged in metabolic activity and performing its prepare for mitosis (the next four phases that lead up to and include nuclear division). Chromosomes are not clearly discerned in the nucleus, although a dark spot called the nucleolus may be visible. The cell may contain a pair of centrioles (or microtubule organizing centers in plants) both of which are organizational sites for microtubules.

Prophase
Chromatin in the nucleus begins to condense and becomes visible in the light microscope as chromosomes. The nucleolus disappears. Centrioles begin moving to opposite ends of the cell and fibers extend from the centromeres. Some fibers cross the cell to form the mitotic spindle.

Prometaphase
The nuclear membrane dissolves, marking the beginning of prometaphase. Proteins attach to the centromeres creating the kinetochores. Microtubules attach at the kinetochores and the chromosomes begin moving.

Metaphase
Spindle fibers align the chromosomes along the middle of the cell nucleus. This line is referred to as the metaphase plate. This organization helps to ensure that in the next phase, when the chromosomes are separated, each new nucleus will receive one copy of each chromosome.

Anaphase
The paired chromosomes separate at the kinetochores and move to opposite sides of the cell. Motion results from a combination of kinetochore movement along the spindle microtubules and through the physical interaction of polar microtubules.

Telophase
Chromatids arrive at opposite poles of cell, and new membranes form around the daughter nuclei. The chromosomes disperse and are no longer visible under the light microscope. The spindle fibers disperse, and cytokinesis or the partitioning of the cell may also begin during this stage.

Cytokinesis
In animal cells, cytokinesis results when a fiber ring composed of a protein called actin around the center of the cell contracts pinching the cell into two daughter cells, each with one nucleus. In plant cells, the rigid wall requires that a cell plate be synthesized between the two daughter cells.

This week in science was a little short but we did a lot. for Monday and Tuesday we where doing a lab and also studding for the test on Wednesday. So the lab that we where doing was about the different stages in a cell. so then Wednesday came along and there was the test the test was not to bad if you studded but it was kind of difficult. The test was mostly on the study guide so if you did the study guide good and thorough. Also at the end of the week like just today we got another lab which was a little hard and we have to finish it for homework. We did all this because he wanted us to do well on the test. Also he gave us the blogs so we know what and how the different satdges of cells going into the new unit.

This week in science we did a lot of things pertaining to the test coming up on Wednesday. one of the things that he told us to do is to do 25% of the study guide each week which i think is really helping me because if he did not put that to do as homework i most likely would have of never looked at it and maybe not to so well on the test. But now after doing it and checking if i was right on google i think i have a lot better chance of doing better on the test coming up so i strongly recommend to do it but don't just do it because it is homework you should do it good and theory so it would help you on the test. for instance the first questions on the study guid was types of cells and it named the five cells we have been learning about,Animal, plant, bacteria, eukaryotic, prokaryotic so dont just like name the organells and stuff you should draw a diragram so you have a visual of what it looks like so on the test i think it is easier to remember pictures instead of words and for a lot of the questions you can do that so you might want to think about that. Good luck on the test!!!!!!!!!!!!!!!!!!!

Today in science class we went over the homework questions which were can plants survive under water and can we live without plants. So eventually we all found out that plants can live under water because it pretty much has the same particles as the air has but it can only live under the water under certain conditions. Also we can live without plants because there we be no oxygen. So we pretty much where trying to think of what particles go in the Air and the water most of the period.Then at the end of class Mr.finlley gave us an extra credit question it was why cant fish live out of the water so i did a little reserch on yahoo Answers and Finatic helped me out and said they cant live out of water because Anabantids such as betta and gourami have a labyrinth organ meaning they can breathe directly from the air. Other fish have gills which are a specialized organ that take oxygen from the water allowing a fish to breathe.

Today in science we did and learned a lot of things starting off with what each and everyone of us did over the break which was cool because its cool to know what others do. Well besides that we learned that organells are the parts of a plant and also something new i learned is that like the more mitocondria you have it is like the more muscle you have. also at the end of class we learned what like makes and tranfored to make something for instance like with sunlight you can make energy and so on. we learned all this so we can really know how these things are made withch i think is good.