Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

This project explores whether music affects the growth and health of plants.

The purpose of this science fair project is to investigate whether cooking seeds before planting will speed up germination and growth.

Invite your second grader to help you measure and mix these fresh, cool concoctions!

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

Making metric conversions is a difficult concept to master. Get in some extra practice by playing this Tic-Tac-Toe game with your learner.

This experiment evaluates if the temperature of the environment that you work in affects your ability to perform mental tasks.

This science fair project explores how salt and sugar affect the melting rate of ice in water.

Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

Turn any sunny summer day into a fun and special occasion by having a watermelon seed spitting contest!

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

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

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

Instead of loading up on mayonnaise based potato salad, your child can whip up something healthier: German potato salad!

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Want a fun way to teach your kid to tell time? Making a plate clock is a great way for him to learn how to tell time in a way he'll actually find exciting.

Preschoolers are fascinated by how colors can be mixed to form new ones. This activity combines color mixing with the concept of melting for extra science fun.

Get back into school with this exciting architecture exploration! In this craft activity your child will research, draw, and build his own school.

Help your curious kid cut through the clutter and collect the facts with a simple and fun science foldable.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Transform your kitchen table into a winter wonderland with a cookie and cocoa party that looks freshly dusted with snow.

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

The thermometer outside is dip, dip, dipping! What kind of clothes will keep you warmest this winter? This project determines which materials insulate best.

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

This science fair project investigates how temperature of a room affects the burn rate of a candle.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

Did you ever drink spoiled milk? Find out whether whole milk spoils at the same rate as 2% and skim milk.

Whatever is stacked in your cupboard can be used to help your child learn how to compare fractions and decimals. A great hands-on math lesson!