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Showing Results for area of a rectangle using square units

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Is it Possible to Blow a Square Bubble?

Is it a square or a circle? See if you can trick your friends with this zany science project!

Shape Words

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

Using a Compass

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Making Measurements: How Big is Your Hand?

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

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Indoor Gardening with Kitchen Waste

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.

Magic Soap Experiment

Using scherenschnitte, your science-savvy second grader will be able to create and display each part of a vegetable!

Vegetable Scherenschnitte

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

Show the Direction of Magnetic Field Lines

In this activity, your child will be challenged to make a tower using paper cups.

Design Challenge: Creating a Cup Tower

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

How Windy Is It? A Weather Science Experiment

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

Design Challenge: Building a Bridge

Using a toy race car kids create a visual model of the Doppler Effect.

A Visual Model of the Doppler Effect

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

How to Make Geodes

Reinforce your child&rsquo;s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

Design Challenge: Letters of the Alphabet

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

How to Make a Lemon Battery

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Meteorologist for a Day

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

Halloween STEM Building Challenge

In this design thinking activity, your child will choose an animal to research,&nbsp;learn&nbsp;about the animal&rsquo;s habitat, and then replicate the animal&#39;s habitat using household items.

Design Challenge: Creating Animal Habitats

Help your child make a beautiful homemade sandcastle that will last!

Make a Sandcastle You Can Keep!

Make a wish upon a tree with this craft that also helps your child learn more about Chinese culture.

Wishing Tree

This weather spinner will improve observation skills by encouraging children to examine and track weather details and patterns.

Construct a Weather Spinner

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

Heating Sugar

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

Floating Paper Clip

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Duck Feet

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Snow to Liquid Ratio

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

Bird Songs

This project can help prepare your child for a trip to the tide pools, or give him a way to remember some of the many creatures he saw during his visit.

Tide Pool Animals

Slip some science into storm watching with a homemade rain gauge!

Homemade Rain Gauge

Start your toy engines -- this is going to be a fast and friction-filled race!

Car Friction: The Science of Going Fast

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