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

Challenge your learner to design and build a city of their own in this creative engineering activity.

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

Discover whether cold or hot water from the faucet will boil faster on the stove.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

This science fair project examines how seeds hitchhike on animals and clothing.

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

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

An home science experiment for older students that teaches about the science behind heat.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

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

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

This science fair project idea provides evidence that air is everywhere and takes up space.

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

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

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

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Introduce your child to the amazing, almost magical phenomenon of static electricity!

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

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

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