Help your first grader explore the world of scientific measurement by "weighing" fruit with a "water scale"!

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

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Encourage your kindergartener to investigate and chronicle the weather she observes during the coldest months of the year.

Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.

Making your own glass cleaner is easy, effective and inexpensive!

In this project, a basketball containing different psi is dropped to see how well it bounces.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

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

This science fair project idea explores substances that cause a bubble to last longer.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

This Valentine's Day, pair up science and crafting with this simple crystal formation project that's sure to bring a little love into your home.

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

This science fair project explores how osmotic pressure forces water through the root up into the plant.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

Will increasing the amount of salt in water effect how slow or fast the water freezes?

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

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

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

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

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

This science fair experiment idea's objective is to understand the general concept of an acid and a base.

Kids conduct a simple science experiment to see if seeds can grow without soil in this simple kindergarten science activity.

This surprisingly good glue recipe comes from common kitchen items.

Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.