6. A three-dimensional representation of a person or thing or a proposed structure, typically on a smaller scale than the original

2. A change in energy from one form to another.

12. What type of material should the wires be made of in order for electricity to flow through it?

4. Energy that is stored in matter and that can be released by a chemical reaction

18. Which energy caused the bread to pop up after it has been toasted?

21. A pull or push force is required to move the wagon. The wheels rotating are an example of what type of energy?

1. What is needed to do or cause a change?

19. How can this kid affect the motion of the wagon?

20. In order to increase the speed that this kid can move the wagon, what must he do?

8. What energy transfer is happening for the solar panel to get energy?

10. Once the cellphone is on, name 3 energy transfers that happen within the phone.

11. Look at the following circuit and answer the questions. How many bulbs will light up in this circuit? _______________ Does this circuit work? _____________. If not, why does it not work? ___________________________________________

13. In this circuit, will the bulb turn on?