The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

In this project students experiment with making music using only glasses of water.

Do you think heat can affect a plant's growth rate?

In this experiment we will be determining whether birds prefer certain colors of seed.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

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

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

This science fair project idea explores how length affects the weight a bridge can hold.

This science fair project idea explores the different properties & interactions of sugar molecules.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

This project investigates the affect of storage temperature on microwave popcorn.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

This science fair project idea explores whether talking to a plant will help it grow.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Explore if planting seeds in a certain direction will affect how fast it germinates.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

This science fair project idea examines which type of insulation holds in the most heat.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.