Tuesday, September 27, 2011
essential question 6.4
carbon based molecules are important to living things because they make up the structure of most things, for plants they use it to make food and we use it in everday things like clothes to keep us warm. We use them in clothes because clothes are made of polymers. There are also carbohydrates which we need for energy.
Thursday, September 22, 2011
essential question 6.3
Water keeps homeostasis in the body by making it possible for enzymes to react and for other chemicals to react so they keep working, also your body needs it to survive and it regulates body temperature.
Tuesday, September 20, 2011
Friday, September 16, 2011
Wednesday, September 14, 2011
essential question 6.2
Chemical reactions are important in life because they make the food we have and items and utilites we use. An example of a chemical change is nail polish and water. We use these things everyday and without things like water we wouldnt survive.
Monday, September 12, 2011
Sunday, September 11, 2011
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