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.

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

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

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.

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.

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

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

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!

Discover how and which salt melts ice the quickest.

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

This science fair project idea measures and compares effects of chemical weathering, specifically carbonation, on different kinds of rocks.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

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

The project examines absorbent polymers absorbency in disposable diapers and their unique ecological problem to the environment.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.