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

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

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.

Your child might have noticed how bubbles quickly lose their colors and pop. Check out this creative way to make those bubbles last longer.

Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

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

This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

Here's a pressed leaf card project that puts science and writing together for your second grader.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

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

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

In this activity your child will create their very own marble maze!

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

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