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This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

Design a hearing protection device to protect their ears from loud noises. Examine the properties of current protective hearing devices, materials.

What happens when "coffee-addicts" miss coffee for 1 day? Find out in this science fair project idea!

Science fair project which determines which colors of light allow plants to produce the most chlorophyll. How are color and light related to each other?

Help your own young scientist tackle the wonders of static electricity from the comfort of his own home!

This science fair idea is a great way for kids to explore static electricity. Kids will give a comb a static charge and watch as it separates pepper from salt.

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 science fair project idea demonstrates the process of land erosion.

Looking for a fun earth science project on continental drifts? Check out this fun science fair project idea to explore how Pangaea may have broken up.

This experiment will explore the possibility of creating an infinite object by hand.

This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Science fair project that determines whether mass and weight are the same or different.

If you're looking for something to keep your kid busy on a warm day, and give him some writing practice in the process, bring on the mud!

Many ancient cultures used the rising or setting sun to create calendars. Observe the setting sun once a week to come up with your own solar calendar!

Compare different remedies for cooling the mouth after eating spicy food.

Compare the whitening abilities of four different brands of whitening toothpaste to see which one whitens the fastest and which one whitens the most.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Science fair project that tests the effects of diluted soap on the size of bubbles blown from the solution. Will dilution cause smaller bubbles?

Help your child plant a "tea garden": a garden made of herbs for making teas.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

In this science fair project, students investigate how different colors influence appetite.

This science fair project examines how seeds hitchhike on animals and clothing.

Create a brush pile to help wintering wildlife stay warm and cozy through the winter.

This science fair project idea creates an underwater habitat and explores the basic needs of living things under water.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!