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.

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.

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

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

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

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.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

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?

Let your fabulous crafter use their favorite flowers, fruits and herbs to whip up a delicious perfume that they can proudly present to a friend or a loved one.

Find out which type of sponge holds the most water.

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!

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

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!

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

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