Across
- 3. _______ exercise will keep your heart and lungs healthy.
- 4. The plane took an _____ picture of our school from the sky.
- 5. _____ is important to understand when studying history since land formations affect where earlier settlers decided to live.
- 8. Cars that are ____ have less wind resistance and will get better gas mileage.
- 9. The _______ exploded in the sky on the Fourth of July.
Down
- 1. It’s hard to imagine from its plain exterior, but a ____ contains such spectacular crystals inside.
- 2. The _____ heat surfaced at the earth's crust creating a natural hot spring.
- 4. Before planting their crops, the farmers ____ the soil so that water and nutrients can move freely to the roots of the plants.
- 6. The fires were intentionally set by an arson with ____.
- 7. ______ rock can be found near volcanoes.