Vocabulary Puzzle.

3. Cell - solar cell, can change light energy into electricity
4. Energy - energy stored in the bonds that hold atoms together in molecules (it is released when molecules undergo chemical reactions and form new substances)(Foods,fuels, and batteries store this energy)
6. Transformations - a change from one form to another
8. Energy - heat energy from inside the Earth that can used to heat buildings and produce electricity (natural
10. - any material from living things that can be used as an energy source
15. Energy - energy of moving objects (car moving, ball rolling, fish swimming)
16. - the ability to make things move or change .

1. Batteries - store electrical energy produced by solar cells
2. Energy - energy of moving air (wind turbines)
5. Energy - energy that travels as waves, through matter or through empty space (Earth gets this from the sun)
7. Reflector - reflects and focuses sunlight onto a fluid filled pipe, it becomes heated, thermal energy is used to turn water into steam which turns a turbine
9. - energy of moving water (hydroelectric power plants use hydropower to produce electricity)
11. Energy - energy from the sun
12. Energy - the energy of moving particles (hot cocoa has lots, ice-cold lemonade has less).
13. Energy - energy stored in the nucleus of an atom (forces of protons and neutrons held together, released when forces are overcome and particles are either removed from or added to the nucleus)
14. Energy - energy of moving charges (lamps, toasters, computers, moves through wires).