CK-12 Foundation
Large Decimal Rounding to Decimal Representations: Weighing a Whale
An interactive challenges mathematicians to round large numbers with help from a large scale that measures the weight of a blue whale. The practie's five questions include multiple-choice, fill-in-the-blank, true or false, and an open...
American Museum of Natural History
What do You Know About Marine Biology
Show me what you know about the sea. Learners answer 10 questions about marine biology. The questions range from what evidence points to the origin of life to the biggest threat to oceans.
American Museum of Natural History
Find My Plankton Baby Picture
Get a better understanding of babies in the sea. The class learns about the two kinds of plankton. They then determine the baby pictures of eight marine animals given a picture of the adult and some hints about the larvae. When scholars...
American Museum of Natural History
What's This? Feeding
Some species have pretty creative methods for catching food. Young scientists learn about some interesting ways organisms get the nutrients they need by navigating an online interactive lesson that would be suitable for a remote learning...