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?

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

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

Create a bee garden to help shelter bees in your area.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

This science fair project idea identifies trees using a dichotomous key.

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.

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

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.

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

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

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

In this project students experiment with making music using only glasses of water.

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

Construct and experiment with a periscope using reflected light rays to gather an image.

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

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

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

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

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.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

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

In this science fair project you will make a model of a cell membrane using very simple material.

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.

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

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

In this design challenge, your child will make a bottle rocket using typical household items.

Help your child create a written message and practice their letters using sticks they find in nature. Here's how to get started.