Across
- 6. this evidence includes rocks, glacial moraines, drumlins and sediments.
- 8. When tectonic plates shift the ground shakes.
- 10. these are leftover remains of animals that lived millions of years ago.
- 11. This type of pollution can ruin lakes, rivers, streams and the ocean
- 12. this is rain that falls and mixes with pollution in the air before it hits the ground.
Down
- 1. A time period when the temperature is so low continental and polar ice sheets form.
- 2. Large sheets of ice that can cover continents.
- 3. erupt with magma and flowing lava.
- 4. This type of pollution comes from very loud objects.
- 5. These Tectonic ____________ are what shift causing earthquakes.
- 7. When water rises too much and can't flow out to the river or be absorbed.
- 9. What people call our current ice age.
- 12. this type of pollution comes from smoke or exhaust when things are burned.