This science fair project investigates why the number of visible stars changes from place to place.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

This biodiversity project examines the biodiversity in your own backyard.

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

Teach your child about using pumps to move water in this simple and educational preschool science activity!

Is your child a young ornithologist in the making?

Make all-natural dye from vegetables to create gorgeous homemade play-silks!

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

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

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Bring a little science to your third grader's Christmas as you test out his sense of smell by exposing him to common Christmas scents found in your kitchen.

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

This science fair project idea explores the different properties & interactions of sugar molecules.

Take advantage of the fact that ink and water don't mix and introduce your kid to suminagashi, a Japanese form of art.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

Construct and experiment with a periscope using reflected light rays to gather an image.

Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Do different types of oil mix or stack? Find out in this science fair project idea!