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.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

This science experiment explores why leaves change color in the fall and the role of photosynthesis in leaf coloration.

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.

Is it a square or a circle? See if you can trick your friends with this zany science project!

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 idea determines if material and tensile strength of different types of skateboard wheels affects the velocity of the skateboarder.

Science fair project that teaches you key definitions of molecular science, and how different isotopes of an element affect the relative atomic mass.

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

Science fair project that creates a pamphlet to help others learn about Epilepsy, its causes, symptoms and treatments.

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

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

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

Demonstrate which cooking method gets rid of the most fat.

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

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.

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

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.

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 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.

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

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

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

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