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This science fair project idea explores how water and ice can change the form of rocks.

In this cool elementary school science fair project idea make a model to learn what happens to the Earth's surface when ice moves over land.

This project explores what happens to a rubber band when it is heated and cooled.

Learn how to make a paper snowflake with these simple instructions. Help your child learn how to make a paper snowflake with only paper and scissors.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

A math project teaches students to use a clinometer to gauge the height of very tall objects like trees & to think of better ways to measure how high they are.

Learn how to make onigiri, a popular Japanese snack.

Learn how to make paper Christmas trees with this simple craft. See how to make paper Christmas trees and celebrate the holiday season.

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

Help your child make a recycling poster for your household and teach them how to take care of the environment!

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

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

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

This science fair project idea shows kids how to grow mold and whether mold grows better in dry or moist conditions.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

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.

See how to write a love song simply in this kid-focused tutorial. Learn how to write a love song for Valentine's Day and beyond.

Kids learn how to make a simple electric motor in this great engineering science fair project that teaches them how current generates its own magnetic field.

Bring barnyard fun to a rainy day by making this simple pig nose, or make several noses and round up two of your child's friends to act out Three Little Pigs.

This project explores how and how much one family can reduce the amount of garbage they accumulate over a three month period.

Get kids excited about gathering their school supplies by teaching them how to make their own writing supplies!

This science fair project idea explores how far the average human can see.

Spend an afternoon outdoors and add a personal touch to clothes or other items of fabric by learning how to tie-dye.