In this science fair project, young children discover what happens when two fluids that have different densities get together.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

This science fair project idea demonstrates that plants give off water.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

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

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.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

This science fair project enhances the understanding and awareness of energy use and explores the concept of energy efficient.

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

Word color association is just a fancy way to talk about the way we connect colors with words.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

This classic children's game demonstrates how sound travels through air vs. through a solid.

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

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

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

This science fair project idea investigates whether air has mass and weight.

The objective of this science fair project is to investigate salt water density.

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 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 investigates if webbed feet help a duck (and others) swim.

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

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

People have favorite flavors, but what about ants? Which ant food is the most popular?

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

This science fair project idea teaches to understand and explore the concepts of crystal formation and dissolving substances.

This science fair project idea explores how length affects the weight a bridge can hold.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

In this experiment you will replicate the mummification process by making a hot dog mummy.

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.