This is a two-page, printable activity about how the oceans first formed and about the geological forces that continue to shape the ocean floor. The first page is an informational text (approximately 500 words long). The second page is a crossword covering key terms and vocabulary which are highlighted in bold within the text. There are twelve clues including:
Clue: Gap created by two plates of earth pulling apart from each other.
Clue: To turn from a liquid onto a vapor or gas.
Clue: Seafloor ______: The process of new earth being created under the oceans.
I have more crosswords on a variety of topics at my store, CuriousCrosswords. You can also find free printables, activity ideas, and links to lesson plans at my blog, CuriousCrosswords.com.
I hope you enjoy using my puzzles as much as I enjoy creating them!