How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

Find out whether packaged seeds actually do expire in this new science fair project idea.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

What happens when colored beams of light mix? You might be surprised.

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.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

This science fair project idea identifies the properties of soap bubbles and invents a new or improved bubble solution.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

In this science fair project, students create their own miniature salt flats at home.

This science experiment tests if dog saliva can really help heal wounds.

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

This science fair project will help students learn about non-vascular plants, such as mosses.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

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

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

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

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

This science fair project idea explores the different properties & interactions of sugar molecules.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.