This science fair project idea explores what it takes to create a biosphere, or a self-sustaining ecosystem.

Find out which part of a flame burns wood the fastest and also if this is true for all types of flames such as candle-flame, burners, and lighters.

Discover which absorbent material is the best; the Shamwow, paper towels, or cotton towels.

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

This project examines germs and their spread in households. The goal is to learn how to stop the spread of germs and other diseases.

Are you looking for an out-of-this world activity that's both fun and educational? This solar system garland is a great way to introduce your child to astronomy.

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

This conservation of energy demonstration shows why the first hill is the highest on a roller coaster. Learn more about potential and kinetic energy!

You and your child can create this beautiful butterfly mobile for hanging anywhere in the home (and learn about this magical creature while you're at it).

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

In celebration of Earth Day, help your fifth grader write a poem from the Earth to its inhabitants.

The goal of this science fair project is to identify the galactic center of the milky way using globular clusters, as found through Google Earth.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

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

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

Science fair project that demonstrates how a rainbow forms, by using water to split white light into its many colors.

This craft is an excellent way to learn about African-American history, and it also provides fine motor practice.

Who says snow globes are just for winter? Help your child create a summer version with this fun art project!

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

This experiment will evaluate if the environments that people work in affect their speed and accuracy in performing mental tasks.

This science fair project idea examines various dead zones and investigates the cause and how it can be fixed.

A science scavenger hunt can be a fun way to learn about science. Test your child's knowledge of scientific terms with this science scavenger hunt.

The objective of this experiment is to identify common materials that absorb sound waves with the greatest efficiency.

Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!

Explore convex and concave objects and how they reflect light.