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In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

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

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.

This science fair project idea determines the most effective method of preserving food.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

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

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

Find out whether putting something on top of a plant will inhibit its growth.

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

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

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

This science fair project idea investigates whether plants can survive being frozen.

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Science fair project that examines condensation and the conditions needed in order for dew to form.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

Find out which kind of bubble wrap fares best when put in impact.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

Examine the effect of pressure on carbonation in soda.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.