Across
- 2. This solution to pollution encouraged factories to stop dumping their waste in the ________ so fish and plants could survive.
- 4. This was the first metal used in the Metal Ages, but it wasn't very strong.
- 6. Emma is from this region of the United States.
- 7. We studied multiple ways to reduce this in order to stop climate change.
- 10. Google is a ________ not a source!
- 12. These are a very common natural disaster in the Midwest of the United States, so the houses have basements to help keep poeple safe.
- 13. North, East, West, and this direction are the four cardinal directions.
- 14. Neolithic people used this form of crafting to create pots and bowls.
Down
- 1. We turn topics into this so that they are more specific and easier to research.
- 3. This type of relief can be made up of a range with peaks and valleys.
- 5. Young, steep mountains that link the Iberian Peninsula with the rest of Europe
- 8. This is the age where human beings first appeared.
- 9. California is at risk for this natural disaster because it's so close to a fault line.
- 11. We studied this river, learning it is the longest river system in the world.