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

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Check out this fun science fair project idea to learn how alkaline batteries convert chemical energy to electrical energy?

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

How much does 100 weigh? Play this fun guessing game with your child to commemorate the 100th day of school.

Determine how effective animal camouflage is by simulating it in an indoor and outdoor setting.

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

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

How many steps long is the hallway? Kids put their graph-making skills to work as they make a step map of their own house.

This decimal game is a great way to help your child get familiar with how decimal values work.

Combine an introduction to shape and counting with a springtime art project by showing your kindergartener how to create a vibrant rainbow mosaic.

A plastic tray is the perfect tool to teach your little one how to count. Try out this activity, and your child will have her numbers down in no time.

Explore properties of liquids and how temperature and salinity effect surface tension of liquids in this fun- filled science fair project idea.

Help your second grader to a better understanding of how to count and represent money with age old game of tic-tac-toe.

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

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.

Your child will love making this adorable clover clock that will help him learn how to tell time.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Help your child learn her numbers and how to count with this fun number game!

Check out this fun science fair project idea for middle school students to learn about the effects of temperature on the density of a gas such as air.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

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

Explore how you can achieve magnetic levitation with the Meissner Effect! This cool science project explains formation and applications of a superconductor.

Science fair project which measures the amount of heat energy released by a burning candle by calculating how many calories of heat it emits.

Check out this cool science fair project idea to explore the relation between onions and eyes and how to prevent eyes from tearing while cutting an onion.