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

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

Make a wish upon a tree with this craft that also helps your child learn more about Chinese culture.

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

Get your child outside to observe the clouds, and get a fun exercise in science, writing, and arts and crafts! Here's how.

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

In this project children practice the scientific method while playing with puffy paint.

In this fun activity, kids practice measurement and boost fine motor skills as they learn all about how fossils form and even make a few of their own!

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

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.

Your child can create his own texture tree, experimenting with design during the process. The result will be a beautiful addition to your holiday decorations

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

This activity is a fun way for your first grader to learn about how veggies help your body while being creative with art and drama. Here's how to get started.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

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

How do people move pianos and heavy furniture into tall buildings? Show your kids some pulley potential with this simple household exercise!

This super fun science project, perfect for young children, combines crafts, dressing up as animals, outdoor play, and life science learning.

Hold a magnet marathon! Explore the power of magnets with your kindergartener in this entertaining and simple science game.

Invite your kindergarten scientist to conduct this color mixing experiment to discover which primary hues make a rainbow of secondary colors.

This quick and simple preschool mirror activity will introduce your child to the science of reflection and light with a flashlight experiment and picture game.

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

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

Test your friends to find out if you can replicate the placebo effect's incredible results.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

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

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

This science fair project idea investigates if fats add to the flavor of food.

Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!