This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

This science fair project investigates why the number of visible stars changes from place to place.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

Looking for a fun summer adventure? Learn what it was like to be a prospector during the California Gold Rush by panning for gold in a local creek.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

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

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

Do different types of oil mix or stack? Find out in this science fair project idea!

This science fair project idea examines whether boys and girls differ in reflexes.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

This science fair project idea examines the reason boats are shaped and engineered.

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

Teach your child how butter is created by shaking up cream the old-fashioned way.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

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.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.