Energy

4. of energy type or kind (of energy)
6. a group of parts that work together
7. the place where something comes from
9. what something can do
10. something that changes one form of energy to another
12. the things that engineers think about and test in order to know how well something solves a problem
13. to try to make something new that solves a problem
16. to change from one form to another
17. device a machine that converts electrical energy to another form of energy
19. a proposed answer to a question
20. energy energy that lets off light
21. energy anything that burns fuel, runs on batteries, or uses food as energy

1. grid wires that transfer electrical energy from many sources to many other places
2. the use of evidence to say why one idea is the best
3. to move something from one place to another
5. energy energy of things that are moving
6. energy energy that makes sound
8. a person who uses science knowledge to design something in order to solve a problem
11. information that supports an answer to a question
14. energy energy that makes heat
15. energy the form of energy that is transferred through wires
18. the ability to make things move or change