science
Storyboard-Text
- What happens to molecules when you burn wood?
- When you burn wood you cannot reverse it, making it a chemical change.
- However, when you are cutting the wood, it is a physical change
- While I'm playing baseball, if I hit the ball, it is a physical change because the substance doesn't change
- Making my eggs was a chemical change because chemical bonds are broken and remade
- Now its time for breakfast!
- This made a new substance making it a chemical change
- Meaning exercising is a chemical change
- By running on this treadmill and exercising
- My body is using sugars and fats
- All that exercise made me hungry, I'm going to eat some candy.
- To digest this candy is a chemical change.
- to eat this candy bar I have to unwrap it. Unwrapping it is a physical change
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