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

How do people move pianos and heavy furniture into tall buildings? Show your kids some pulley potential with this simple household exercise!

What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket. So put on your safety goggles and let her rip.

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.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

Explore solids and liquids with your young scientist by making gluep, a goopy substance that can behave like both a solid and a liquid!

Teach your first grade scientist the difference between liquids and solids using maple syrup.

Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

Help your first grader explore the world of scientific measurement by "weighing" fruit with a "water scale"!

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.

This is a fun way to introduce kids to the concept of volume, and give them a quick hands-on activity to boot.

Bring the magic and mystery of the night sky to the light of day with this fun constellation art project!

Introduce your child to science with something they see everyday--their shadow!

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how: