Showing Results for addition like denominators

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

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!

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

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

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

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

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

This kindergarten science activity will help her explore the changing states of matter which transform an egg from raw to soft to hard-boiled.

Before your treat your child (and yourself!) to a yummy snack, help her learn a little about Sir Isaac Newton's First Law of Motion!

This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

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

Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.

Here is a nifty science experiment using Epsom salts to make "frost" appear on a piece of glass.

This surprisingly good glue recipe comes from common kitchen items.

This science fair project idea experiments with spinning color wheels and optical illusions.

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

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.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

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.

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

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

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!

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