This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

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

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

Compare animal and plant fats and observe, and record, and draw conclusions about their similarities and differences.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

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

In this project children practice the scientific method while playing with puffy paint.

Here's an interesting activity that will enable your child to make his own magnifier out of a drop of water

Discover how and which salt melts ice the quickest.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

This science fair project idea examines the reason boats are shaped and engineered.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

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

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

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.