Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

This science fair project idea determines what household items are good conductors of electricity.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

This science fair project will help students learn about non-vascular plants, such as mosses.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

This science fair project idea investigates if fats add to the flavor of food.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

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

If your fourth grader is obsessed with all things glow-in-the-dark, then here's an activity that will really light up her imagination!

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Learn whether writing things down really makes things easier to remember.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

This science experiment tests if dog saliva can really help heal wounds.

Find out whether packaged seeds actually do expire in this new science fair project idea.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.