Across
- 1. Energy – Energy made from moving air.
- 3. Valley – A wide, rounded valley carved by a glacier.
- 4. – When minerals “glue” sediments together to form rock.
- 6. – Earth moving around the Sun, causing seasons.
- 10. – Small pieces of rock, shell, or organic material.
- 11. – A black fossil fuel formed from ancient plants buried and pressed over millions of years.
- 12. Energy – Energy made from sunlight.
- 13. – When the lit part of the Moon is growing.
- 14. Resource – A natural resource that cannot be replaced quickly.
- 15. – Movement of rock or sediment by wind, water, ice, or gravity.
- 17. Dune – A hill of sand formed by wind deposition.
- 19. – An imaginary line Earth spins around.
- 20. – Breaking down of rock into smaller pieces.
- 23. Rock – Rock formed from layers of sediment that have been compacted and cemented.
- 24. – A liquid fossil fuel formed from tiny sea organisms buried under heat and pressure.
Down
- 2. – Dropping or settling of sediments in a new place.
- 5. – When layers of sediment are pressed together tightly by weight.
- 7. – A fan-shaped landform where a river drops sediment at its mouth.
- 8. Fuel – Energy resource made from the remains of ancient plants and animals.
- 9. Valley – A narrow, pointed valley carved by a river.
- 11. – A deep, narrow valley with steep sides formed by river erosion.
- 16. Resource – A natural resource that can be replaced quickly.
- 18. – When the lit part of the Moon is shrinking.
- 21. – Earth spinning on its axis, causing day and night.
- 22. Gas – A gas fossil fuel formed from dead organisms buried long ago.