Did you know that Earth's oceans are split into three separate ecosystems? The tropical ocean ecosystem is home to tropical fish, coral reefs, and warm water!

In which habitat could you find a blue whale, a squid, and a shark? The ocean, obviously! Have your kid find ocean animals with this word search worksheet.

Did you know that tons of wildlife can thrive in below freezing temperatures? Learn about the polar ocean ecosystem with this fun sheet!

Use your knowledge of sea creatures to fill out this crossword puzzle.

Learn about Ichthyosaurus, a reptile that lived in the ocean, with this cool dinosaur dot to dot activity.

If you're taking a trip to the aquarium any time soon, be sure to print out this Aquarium Passport to bring along!

Break down a word to create new ones with this fun worksheet for second through fifth graders!