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.

This science experiment has students test whether a snail moves faster on concrete or dirt.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

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

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

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.

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!

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.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

This craft is a great way to explore the fascinating world of spiders and their webs as you collect spider webs from around your house with your third grader.

Introduce your child to the amazing, almost magical phenomenon of static electricity!

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 the hardness property of minerals.

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

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.

Invite your third grader to do taste test science to observe how a strawberry tastes when it is paired with various condiments. The results may be surprising!

Encourage your kindergartener to investigate and chronicle the weather she observes during the coldest months of the year.

Help your child create a tasty treat that will demonstrate exactly how frogs survive a freezing season.

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!

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.