Chemical Energy
Across
- 2. Foods like potatoes, cereal, and bread contain a stored energy called ________________.
- 4. Living things used carbohydrates for ___________.
- 5. Every object is made of _________________.
- 7. Every material object has _______________.
- 8. _____________ are a type of stored chemical energy used by flashlights and game players.
- 9. Metals and ___________ are inside a battery.
- 11. Atoms and molecules have ___________ chemical energy.
- 12. A type of stored chemical energy used as fuel for cars is ______________.
Down
- 1. The stored chemical energy in a car is ____________ when your mom or dad start the car.
- 3. When you add baking soda to vinegar, ___________ will start to form.
- 6. Our bodies break down carbohydrates and use the energy to move _______________, make our heart beat, and think.
- 7. When two or more atoms are joined together, a _________ is formed.
- 10. This kind of reaction takes place when molecules react with other molecules or atoms.