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

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.

Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.

Making your own glass cleaner is easy, effective and inexpensive!

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

This surprisingly good glue recipe comes from common kitchen items.

Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

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.

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

I scream, you scream, we all scream for homemade spearmint ice cream!

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

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