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

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

Can't make it to the beach? Bring the science of ocean waves home with this fun earth science-related craft.

Introduce your second grader to the crazy world of static electricity with just a balloon and a sheet of paper.

This winter garden project is just about bomb-proof, and believe it or not, it might even make a great gift. So get craft happy with your first grader!

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!

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

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

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Do you think heat can affect a plant's growth rate?

Determine which material produces the strongest static charge.

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

This easy Halloween-themed science experiment for first-graders is perfect for chilly October afternoons or great as a Halloween party activity.

The next time you and your fifth grader go on a hike, take along this key to figure out which common North American animal left a track along the river bank.

In this science fair experiment, high school students fit the growth pattern of bacteria to a mathematical model and predict future colony expansion.

Determine if picking up fallen food in 5 seconds or less prevents the transfer of bacteria from the ground.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

Want to spark your third grader's interest in gardening? Help him make popsicle stick fairies to decorate an enchanting garden oasis.

Teach your child how butter is created by shaking up cream the old-fashioned way.

Check out this fun science fair project idea to explore how building on different types of soil affects the relative stability of buildings in an earthquake.

Determine if âdouble dippingâ chips really spreads more germs than dipping only once per chip.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Lead your first grader on a nature walk ... with a scavenger hunt-style twist! They'll try to capture photos that correspond to paint chip colors.

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

Help your kid feel like a superhero with this safe and fun science experiment that creates an electrical charge that's like a mini lightning bolt!

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

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

Learning about how plants grow is a building block in the early grades science curriculum. Put a fun twist on this life science concept with these cup monster friends!