How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

Teach your child how butter is created by shaking up cream the old-fashioned way.

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

This science fair project idea investigates which objects float and sink in honey, water, and oil.

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

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

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

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

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

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

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

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

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!

Help your kid feel like a superhero with this safe and fun science experiment that creates an electrical charge that's like a mini lightning bolt!

Your child will do a fun science experiment using soap and pepper flakes to help understand the concepts of water molecules and the surface tension of water.

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

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 child explore chromatography, which is the process of separating colors or pigments, and create a neat art project in the process!

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.