This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

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.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

This science fair project idea explores the egg's thin membrane.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

This science fair project idea identifies trees using a dichotomous key.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

Test your friends to find out if you can replicate the placebo effect's incredible results.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.