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Which battery lasts the longest? In this science fair project, kids will test popular brand name batteries like Duracell and Energizer against generic brands.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

In this science fair project on the relationship between distance and time, kids explore the behavior of gravitational acceleration through direct observation.

Demonstrate the capillary function in plants by adding food coloring to glasses of water. Slice stalks of celery and leafy tops. Compare color of leaves

Help your kindergarten or first grade child use his creativity to make a beautiful magnetic patterned structure while discovering the wonders of magnets.

Research Earthship buildings. Draft a unique architectural design that repurposes used, discarded radial tires. Build scale model of structure.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

The purpose of this science fair project is to determine whether Green Bags, with or without refrigeration, are most effective in preserving food.

The objective of this science fair project is to determine whether there are gender differences when boys and girls view optical illusions.

Do you hate to waste energy? In this experiment, you will design a machine that is powered by the process known as energy transformation.

There is debate about whether chalkboards or whiteboards are better. This experiment explores which leads to better retention of visually-displayed information.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Get a cool middle school chemistry project idea on how to determine whether a physical or a chemical change has taken place.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

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

This science fair project idea examines various dead zones and investigates the cause and how it can be fixed.

This flexible activity for preschoolers features jellybeans, counting, coloring, and the five senses.

Examine how a battery can be made from everyday materials.

Check out this fun high school science fair project idea to identify features of a mushroom and learn how do humans use fungi to their benefit?

This science fair project researches the most effective method to cut an onion and stay tear-free.

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.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

This science fair project idea examines eye color genetics and the role it plays in eye color inheritance.

Melt the ice, but save the lawn. The objective of this science fair project is to explore the effects of different substances on melting ice.