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This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.

This science project is to discover which Black Walnut tree tissue contains the most concentrated amount of Juglone, a substance that works like an herbicide.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

Summer is a great time to work on pre-kindergarten skills that will serve your child well in her first year at school, while having some fun in the sun!

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

Observe trends in the properties of writing materials over past 5000 years and extrapolate to future time. Prepare a table that compares writing material.

Use a microscope in this experiment to learn about different kinds of "good bacteria" that turn milk into yogurt!

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

This project examines the affect of temperature on viscosity and surface tension of different liquids.

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 science fair project idea explores whether white light can be separated into different colors.

What happens when colored beams of light mix? You might be surprised.

Learn how matter transmits sound with a simple, hands-on experiment using sand, water and air.

Demonstrate which cooking method gets rid of the most fat.

This flexible activity for preschoolers features jellybeans, counting, coloring, and the five senses.

Boost your preschooler's attention to detail by getting her to explore the differences between two different pumpkins: large and small.

Give your science savvy kindergarten a lesson in plant science with this fun carnation experiment.

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

Find out if most people can distinguish the difference between tones on different instruments.

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

Help your kindergarten or first grade child use his creativity to make a beautiful magnetic patterned structure while discovering the wonders of magnets.

This tactile activity helps kindergarteners learn about texture.

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!