2nd - 5th Grade Science Activities : Page 30

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

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

In celebration of Earth Day, help your fifth grader write a poem from the Earth to its inhabitants.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

This activity is a great way to teach kids that, to find examples of science in action, they donât need to look any further than their own backyard.

Try this simple 2nd grade science experiment to teach your child about the principles of luminosity and light reflection.

Hatch a praying mantis egg case in a homemade habitat with your child's help! This is an amazing experiment in science and nature for kids of any age.

This science fair project idea explores alcoholic fermentation at work by making your own soda.

In this activity, your child will learn about a style of gardening that uses moss, also called "kokedama."

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.