Showing Results for three digit using place value

This science fair project idea produces sounds by creating vibrations using different objects.

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

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

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

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

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

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

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

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

This science fair project idea explores whether talking to a plant will help it grow.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

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

Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!

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

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!

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

How powerful is the reaction between baking soda and vinegar? Find out here!

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.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

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

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