Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

Do you think heat can affect a plant's growth rate?

Start your toy engines -- this is going to be a fast and friction-filled race!

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

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

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

This science fair project teaches students about wilting and browning of salad greens.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

This science fair project idea determines which method of hand cleansing is the most effective.

This biodiversity project examines the biodiversity in your own backyard.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

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

In this project students experiment with making music using only glasses of water.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

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

This science fair project idea explores whether talking to a plant will help it grow.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

In this experiment we will be determining whether birds prefer certain colors of seed.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.