Showing Results for adding mixed number 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!

What happens when colored beams of light mix? You might be surprised.

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!

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.

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

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

This surprisingly good glue recipe comes from common kitchen items.

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

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.

Show your child how to concoct a simple duo of household ingredients that changes color as acids and bases are added!

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

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

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

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

Here is a quick experiment you can conduct at the playground to introduce or reinforce the concept of Newton's First Law, The Law of Inertia.

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

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

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!

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

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!