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Standard 4-LS1-2

4-LS1-2. Use a model to describe that animals receive different types of information through their senses, process the information in their brain, and respond to the information in different ways...

Grade(s): 4

Subject(s): Science

Year: 2021

Ants | What's Wild


Ants are some of the most fascinating and complex insects in the world. These tiny creatures are known for their remarkable social behavior and their ability to build intricate underground colonies...
Fox Squirrel | What's Wild


This episode of What's Wild observes some peculiar behaviors squirrel species have and the nutty ways they benefit the environment. To find North America's largest tree squirrel, we'll travel to one...
Sense of Smell | NASA Online
Sense of Smell | NASA Online


As you take a deep sniff, the odor particles in the air flow back to the top of your nose. Learn more about the sense of smell in the simulation.