Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

Engineers in training can get started with this simple wheel-and-axle construction activity.

This classic children's game demonstrates how sound travels through air vs. through a solid.

This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.