Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.

This science fair project idea determines which method of hand cleansing is the most effective.

Do different types of oil mix or stack? Find out in this science fair project idea!

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

In this project children practice the scientific method while playing with puffy paint.

This science fair project idea teaches to understand and explore the concepts of crystal formation and dissolving substances.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Checkerboard play challenges students to use spatial reasoning and computational thinking.

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

Help your child explore chromatography, which is the process of separating colors or pigments, and create a neat art project in the process!

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

Here is a kindergarten activity that blends art and science by using magnets, paint, and objects found around the house to create a picture.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

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

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

Play with balance and simple engineering as you hurry to create a sturdy rock tower.