In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Check out this hot project idea to culture bacteria and determine if the claims about the anti-bacterial properties of curry and cinnamon are true.

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

Sure, you already know that water is made up of hydrogen and oxygen, but did you know that oxygen levels differ in different types of water?

Here's a simple craft activity that can help your youngster better visualize the life cycle of a frog as a circle.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

Science fair project in which you will stage an election campaign to determine whether people are more swayed by a positive ad or negative ad.

More height, more steep, more speed! This science project investigates whether there is a correlation between the height of the roller coaster and the slope.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

This science fair project idea addresses tempo, and whether faster or slower music works better as a study aid.

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

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

Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Check out this fun science fair project idea to learn about seismic waves and how fast they travel during an earthquake.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

This science fair project idea determines if material and tensile strength of different types of skateboard wheels affects the velocity of the skateboarder.

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!

Score a bull's eye with this cool science fair project on horizontal projectile motion. Guide a marble to its target and predict its trajectory using math!

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Kids learn how fiber optics work with a dramatic total internal reflection experiment using a fish tank, water, and a laser pointer.

This science fair project idea examines the reason boats are shaped and engineered.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.