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.

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

This weather spinner will improve observation skills by encouraging children to examine and track weather details and patterns.

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

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

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.

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.

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!

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.

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.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

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.

Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?

Make a lei and bring a touch of the tropical lifestyle into your 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.

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost 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.