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

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Recycling may be a confusing concept for your little one, so take the time to teach them the magic of compost - right in your own backyard!

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

Follow in the footsteps of movie character legends as you walk your little one through the steps of becoming a junior archaeologist.

Set up a fun guessing game for your curious kindergartener, one that will test her ability to use all five of her senses.

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

Take a nature walk in your backyard or local park to find one object for every letter of the alphabet. Then put them together in this handy nature book.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

Engineers in training can get started with this simple wheel-and-axle construction activity.

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

Your child grows a green thumb and flowers with this seed planting activity that also celebrates the 100th day of school!

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!