Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

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

It's easy to plant your own in-home container garden! This planter contains pizza-themed herbs and is a perfect early gardening activity for kindergarteners.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

This science fair project idea determines if the color of light affects the growth of plants.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

This adventurous art project will send kids on a scavenger hunt for fall materials they can use in their artwork. This craft also teaches kids about seasons.

Make edible amber fossils with your second grader to explore the fascinating world of science!

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

Discover whether cold or hot water from the faucet will boil faster on the stove.

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

What is vegetative reproduction? Find out how you can clone plants and regrow cabbage from a stem in this cool experiment!

This kindergarten science activity will help her explore the changing states of matter which transform an egg from raw to soft to hard-boiled.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

Slip some science into storm watching with a homemade rain gauge!

Have your child kick off their summer vacation by making a miniature water slide!

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

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.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

This science fair project teaches students about wilting and browning of salad greens.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.