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Encourage your child to jump into sea creature science by creating her own colorful "socktopus" sculpture.

Pair a planetarium visit with this fun art project that mimics the look of far-off galaxies.

Want to spark your third grader's interest in gardening? Help him make popsicle stick fairies to decorate an enchanting garden oasis.

In this math and science activity, help your middleschooler learn about proportion and measurement with just her shadow and a tape measure!

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

Science fair project which helps you determine your latitude by using an astrolabe, which measures the angle between the North Star and the horizon.

Does nail polish really slow the growth of nails? Explore in this science fair project idea.

Use sticks and stones to create create an outdoor version of tic-tac-toe!

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

This project uses toy cars to determine how friction and gravity affect cars and braking.

Use applied math to model orbital eccentricity in this cool science fair project for 7th grade.

Bring the fun of gardening indoors! By stuffing a simple pair of pantyhose with a few grass seeds on top, your child can grow her very own plant pet.

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

This science fair project idea determines exactly how much of an effect road grade has upon a cyclistâs speed.

How can Hooke's law explain how springs work? Learn about how Hooke's law is at work when you exert force on a spring in this cool science project.

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.

Using a toy race car kids create a visual model of the Doppler Effect.

This science fair project idea investigates the difference in reaction times between boys and girls.

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

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

Do your laundry and your science project simultaneously! This science fair project investigates whether the color of a garment affects the time needed to dry.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Jazz up your patio or backyard with hip and quirky planters made from simple Mason jars.

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

Score a bull's eye with this cool science fair project on horizontal projectile motion. Guide a marble to its target and predict its trajectory using math!