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Showing Results for three digit and regrouping numbers : Page 4

Here's an interesting activity that will enable your child to make his own magnifier out of a drop of water

Make a Water Magnifier!

This surprisingly good glue recipe comes from common kitchen items.

Make Homemade Glue!

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

Potato Battery

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!

Rock Candy Science

Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.

Turn Salt Water into Drinking Water

This fun, think-outside-the-box activity introduces kids to gravity and other basic scientific concepts as they construct an impressive marble run!

Make a Marble Run!

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

Make a Fistful of Slime!

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.

Playground Physics

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

How A Kazoo Makes Sounds

This potato cannon activity teaches your middle schooler about the principle of Boyle's Law. Make a potato cannon and have a blast learning about science.

Potato Cannon

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

Learn Shadow Science

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

Make a Homemade Hand Warmer!

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

Creating Sound Through Vibrations

Mad scientists! In this lesson, your students will explore electrical circuits and engage in a hands-on activity to create them. They will identify the differences between parallel and series circuits.

Mad Scientist: Electric Circuits

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

Can Your Own Spaghetti Sauce

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

Spinning Color Wheel

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Mirrors and Reflection of Light

Satisfy your sweet tooth with this easy summer activity! Make homemade ice cream and let your child practice his science skills.

Homemade Ice Cream Maker

Here's a science activity that lets a first grader use an empty dish detergent bottle to create his own fountain as he explores air pressure.

Air Pressure Experiment

This experiment will explore how mallets of various materials and weight create sonic tones of varying lengths.

What Materials Affect the Length of Sound?

Find out the differences (if any) in the frequencies of voices produced from a computer, from a phone, and directly coming out of the voice box of a human.

How Different are Sounds from a Phone, a Computer, and a Mouth?

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

Baking Soda and Vinegar Balloon

This awesome diffraction grating experiment puts high school students&#39; applied math skills to the test by having them calculate the wavelength of laser light.

Diffraction Grating Experiment: Wavelength of Laser Light

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

Candy Corn Balance

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.

Make Marbleized Paper!

Air invisible; it doesn't make sounds; you can't pick it up and throw it.  So how do we know it exists?  Help your second grade scientist figure it out.

Blow It Out!

Show your teen how to make her own beeswax lip balm. It's one of the simplest do-it-yourself activities, and it's fun to make!

Pucker Up! Make Beeswax Lip Balm

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

Make Ice Cream in a Baggie!

Demonstrate how we are able to locate sounds, echolocation. Have a blindfolded subject locate you by the sound of your clapping.

Echolocation Demonstration

Learn with makes water molecules work with this fun and easy science activity!

Molecule Madness: A Water Experiment

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