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

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

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

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

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

This science fair project idea examines liquids of different densities.

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

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

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

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

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.

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

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

This science fair project idea explores substances that cause a bubble to last longer.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

With a clear bottle and a few plastic straws, you can easily make a hummingbird feeder and demonstrate the effects of atmospheric pressure at the same time!

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

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

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

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