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Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

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.

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.

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.

Demonstrate which cooking method gets rid of the most fat.

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

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.

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

How does light affect plant growth? Do different colors of light work better than others? Find out in this classic science fair project idea.

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 project makes young children uniquely aware of their sense of touch and its ability to alone give them information about the world around them.

This snowman's not abominable, he's adorable! Your child can bring her very own snowman to life while practicing how to create texture.

Does fear cause the same physiologic responses in men and women? This experiment measures people's blood pressure and heart rate while watching a scary movie.

This science fair project evaluates the suggestibility of males versus females in copying the actions of those around them.

This experiment investigates whether paper color influences people's ability to remember the information that they read.

Scavenger Hunt! Check out this fun science fair project idea to explore the difference between opaque, translucent, and transparent objects around your house.

This experiment evaluates how much influence an enticing package has on childrensâ willingness to try a new snack.

Research and understand basic computer science. Build a simple computer, following instructions found online. Design a new or improved feature.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

In this design challenge, your child will use building bricks to create a funny face. The activity instructions include question prompts thta can help guide your child through the creative process, and promote their problem-solving skills.

Show your preschooler how to make a print of a butterfly using her hand as a tool--a great way to stimulate her sense of touch.