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How does mold grow? Kids find out by testing different conditions to measure mold growth rate and learn about what factors cause mold to grow more quickly.

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

Students identify variables that affect the duration of high school romances and analyze data to predict the success or failure of ongoing relationships.

Science fair project that models the subterranean movement of water, using Darcy's Law. How can this information be used in hazardous material spills?

How do people move pianos and heavy furniture into tall buildings? Show your kids some pulley potential with this simple household exercise!

Want to spark your third grader's interest in gardening? Help him make popsicle stick fairies to decorate an enchanting garden oasis.

Does your child know that salt water conducts electricity? This simple experiment will show how salt water acts as a conductor to electrical currents.

In this experiment you will use plastic and magnets to test your local soil composition.

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

How can you tell the difference between a spider and an insect? Your child will find out as he makes a tray of yummy creepy crawly snacks.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Science fair project that examines learn how the angle of incidence affects the efficiency of solar panels. How does a solar cell work?

In this challenge, students are tasked with creating a car that can be powered by a balloon!

Does nail polish really slow the growth of nails? Explore in this science fair project idea.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

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

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

An home science experiment for older students that teaches about the science behind heat.

Analytical chemists perform chromatography to separate colors into pigments. Test the food coloring used in M&M's and Skittles candy in this fun project!

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

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

Got a birdwatcher on your hands? Bring the birds to your backyard by making a zany bird feeder using an orange and some string.

This science fair project idea investigates how magnetism can defy the force of gravity.

Take advantage of the fact that ink and water don't mix and introduce your kid to suminagashi, a Japanese form of art.

Learn about the Atwood Machine and Newton's 2nd Law with a pulley and masses of different weights in this physics science project.

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 do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

Help your little one figure out the differences between the worlds of air, land and water, a huge step in understanding how our environment works.

This experiment examines whether social orientation (extroversion or introversion) is correlated with memory.

This science fair project idea produces consumable fresh water from salt water through desalination.