Learn how the focal length of a lens affects a magnifying glass's magnifying power in this cool science fair project idea for 8th grade.

Investigate how to keep your fruit fresh for longer. The purpose of this science experiment it to determine which kind of bag best preserves fruit.

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

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

Test for a correlation between perceived color and heart rate. Using a stethoscope and stop watch, measure the heart rate (beats per minute) of volunteers.

Wreath ornaments decorate your Christmas tree and act as a fun sensory craft for preschoolers. Make wreath ornaments with your child this holiday season.

Make scented sensory cloud dough. Add it to a sensory table, activity station, or put it in a baggie for extra at-the-park entertainment!

This science fair project examines how carnivorous plants digest insects, and whether the plant can use nitrogen in the soil to compensate for lack of insects.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

A fun, life science sxperiment idea idea involving strategies for keeping birds away from crops using a distress call. What kind of distress call works best?

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Check out this cool science fair project idea to learn why it is important for kids to eat healthy foods like fresh fruits and vegetables.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

This science fair project studies which color(s) of flowers butterflies & bees are attracted to and if color plays a role in flower selection for pollination.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

The objective of this science fair project is to observe the properties of friction and apply this knowledge to search for a near-frictionless surface.

This fun science fair project for 8th grade demonstrates what Kepler's 3rd law predicts about a planet's orbital period and its distance from the sun.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

Kids use applied math to build and test a parabolic mirror solar hot dog cooker in this cool engineering science fair project idea for middle school.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.