Across
- 3. A bad thing about using fossil fuels for energy is that they create _________________.
- 4. Something that can easily be used again and again.
- 7. Something that cannot be made or used again.
- 9. Scientists now know that the sun is actually a _________________.
Down
- 1. gas, coal, and ________________ are fossil fuels.
- 2. Wearing ____________________ helps protect people from the sun's UV rays.
- 5. Solar panels are made from many solar ___________________.
- 6. ___________________ energy means energy from the sun.
- 8. This word means to soak up or take something in and hold it.