Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

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.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Try this chemistry experiment with your curious kid and get some "shocking" results!

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

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!

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

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

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Learn all about balance and motion as your child designs a corn maze!

Help your child plant a "tea garden": a garden made of herbs for making teas.

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Your kid will delight in creating an extraterrestrial vehicle from goods found around the house. There's no telling where her imagination will go!

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

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.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.