2nd - 7th Grade Science Activities : Page 31

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

Help your young scientist celebrate the wonders of the night sky in the comfort of your own home.

This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

Teach your kids about entropy with this fun, easy exercise, and teach your money to dance while you're at it!

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.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

Encourage local wildlife to settle down in your backyard with this adorable bird nest craft.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

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

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

Here is a nifty science experiment using Epsom salts to make "frost" appear on a piece of glass.

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.

Grow these wheatgrass and alfalfa friends and watch their hair spring up in just a couple days!

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

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

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

Nature is the greatest teacher, and you can help facilitate the lesson! Here's how to create a supply backpack to get your kid ready for science action!

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.