Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

This fun science fair project for 8th grade demonstrates what Kepler's 3rd law predicts about a planet's orbital period and its distance from the sun.

Forget store-bought dyes this Easter: color your Easter eggs with natural dyes made with ingredients from your own kitchen in this 1st grade activity.

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.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

This science fair project idea investigates the relationship between memory and age.

The goal of this science fair project is to identify the galactic center of the milky way using globular clusters, as found through Google Earth.

This project determines whether hands-on practice, mental practice, or no practice leads to better shooting of free-throws.

Find out whether packaged seeds actually do expire in this new science fair project idea.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

This experiment explores the question of whether age and/or gender play a role in people's ability to remember dreams.

Assess physical and mental states of subject before and after drinking coffee. Compare initial expectations with their reported conditions.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

Free science fair project idea examining how different types of water affect plant germination and growth.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.

Here's a pressed leaf card project that puts science and writing together for your second grader.

First graders are learning to think like scientists. What better place to start, then by raising tadpoles? This hands-on activity explores science in action!

Combine science with reading and art to help your first grader create an attractive holiday gift for a beloved friend or relative.

This science fair project idea investigates whether plants can survive being frozen.

Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

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.

Science fair project that demonstrates how stalagmites and stalactites are formed.

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!

Compare the whitening abilities of four different brands of whitening toothpaste to see which one whitens the fastest and which one whitens the most.

This experiment will explore if magnetism has any effect on the regeneration abilities of flatworms.

How do organic materials become soil? This science experiment measures what materials biodegrade.