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

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.

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

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.

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!

This science fair project idea explores whether white light can be separated into different colors.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

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

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

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.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

This science project teaches students to classify different shapes of leaves.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

Pair a planetarium visit with this fun art project that mimics the look of far-off galaxies.

Encourage a group of third graders to play this fun game of Whistle Hide-and-Seek as a warm-up to get them prepared for finding a "lost" camper.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Help your child understand surface tension by showing them how they can create a "skin" on top of water.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

Construct and experiment with a periscope using reflected light rays to gather an image.

Test whether plants can grow without sunlight and water.

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

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