In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

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

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

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

Science fair project that uses distillation to convert salt water into fresh water.

Celebrate Dia de los Muertos by baking pan de muerto. In this 5th-6th grade activity, your child will explore another culture while learning about baking.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

This science fair project idea focuses on saturated and unsaturated lipids (fats and oils).

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

This simple experiment serves as an introduction to the greenhouse effect.

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

Find out whether freezing or refrigerating destroys more bacteria. This is essential to consuming safe and germ-free food.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

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

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

Make a bear cave for your child to play and explore, learning about bears and winter hibernation.

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

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

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

Homemade Halloween treats make great party foods for an All Hallow's Eve get together. These four homemade Halloween treats are scary-good.

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

These handmade Christmas treat cups are perfect for house parties, school celebrations, and holiday bake sales.

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.

Any time is the perfect time to whip up a delicious batch of fluffy pumpkin cookies.