Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

This science fair project idea investigates how color affects temperature.

This science fair project idea determines which method of hand cleansing is the most effective.

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

This science fair project idea determines what household items are good conductors of electricity.

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.

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

Recreate the fantastic phenomena of solar eclipses with your child using just a flashlight, a quarter, and her very own face!

This science project idea examines the effect of microwaving on various objects.

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

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

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

This science fair project idea determines what household items are good conductors of electricity.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

The project investigates the affect music has on plant growth while experimenting with rock, classical and no music.

This science fair project idea experiments with spinning color wheels and optical illusions.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

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.

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

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

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

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

This year on Mother's Day, try this gift project that brings together an appreciation for gardening with a hands-on lesson in art history.

This science fair project idea demonstrates that plants give off water.

This science fair project idea researches the effects of acid rain on plant growth.

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