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

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

In this science fair experiment, high school students fit the growth pattern of bacteria to a mathematical model and predict future colony expansion.

Test whether cutting up meats will make it cook faster than just cooking it whole.

This potato cannon activity teaches your middle schooler about the principle of Boyle's Law. Make a potato cannon and have a blast learning about science.

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.

Science fair project that creates fog using bottles of hot and cold water.

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

This project examines the concentration of dissolved oxygen in water, with and without oil.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

This science fair project idea quantifies exactly how accurate the cricket thermometer is.

Determine how salinity affects the circulation of warm and cold water. Note whether the warm water mixes or forms a layer with cold water.

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

The objective of this science fair project is to examine the cleanliness of salad preparation techniques.

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.

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

Investigate the advantages of the use of ceramics in engines such as the tiles used in Space Shuttle. Use iron filings and magnets.

This science fair project idea measures physical dexterity as a function of temperature.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.