In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

Some fossils have been been preserved for billions of years! Help your kid understand how fossils are created and preserved with this crafty project.

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

In this cool catalase and hydrogen peroxide experiment, kids put a potato in a jar of hydrogen peroxide to see how catalase acts as an enzyme.

In this activity, your child will make her own "quicksand" to better understand how a substance can be both fluid and solid at the same time.

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

In this design challenge, students will be tasked with creating a bouncy ball polymer!

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

This science fair project idea experiments with spinning color wheels and optical illusions.

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

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 science fair project idea discovers which brand of bubblegum produces the largest bubbles.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

This science fair project idea identifies trees using a dichotomous key.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

Challenge your learner to design and build a city of their own in this creative engineering activity.

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Discover how and which salt melts ice the quickest.

What is vegetative reproduction? Find out how you can clone plants and regrow cabbage from a stem in this cool experiment!

This science fair project idea determines if the color of light affects the growth of plants.

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

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.