Across
- 4. the shallowest Great Lake.
- 6. tiny bits of plastic that pollute ecosystems.
- 8. a drinking substance every living being needs.
- 10. one of the Great Lakes, having more than 30,000 islands.
- 12. the original name for Lake Huron by the French.
- 13. the acronym for the Great Lakes.
- 14. introduction of toxicated chemicals harming ecosystems.
Down
- 1. a lake monster in Lake Erie.
- 2. the massive connected 5 deep, freshwater lakes at the border of the US and Canada.
- 3. the smallest Great Lake by surface area.
- 5. a major city in Illinois bordering Lake Michigan
- 7. the only Great Lake fully in US land.
- 9. The largest Great Lake.
- 10. invasive fish in the Great Lakes;nicknamed 'vampire fish.'
- 11. a type of glacier responsible for creating the Great Lakes.
