This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

In this project, a mnemonic is used to test how it increases memory.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

This activity challenges your student to use spatial reasoning and computational thinking to program multiple robots.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

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

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

This science fair project idea investigates whether plants can survive being frozen.

This science fair project idea explores substances that cause a bubble to last longer.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

This science fair project idea provides evidence that air is everywhere and takes up space.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Discover which fabrics shrink the most in the wash and why.

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.