Examine the effect of pressure on carbonation in soda.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

Demonstrate how to tell the age of an egg without having to crack it open.

This science fair project idea provides evidence that air is everywhere and takes up space.

Discover which fabrics shrink the most in the wash and why.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Find out whether packaged seeds actually do expire in this new science fair project idea.