On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Find out which kind of bubble wrap fares best when put in impact.

This project examines whether people's taste perception is influenced by what they see.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

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

This project determines what category of person is most likely to be ticklish.

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

How well can people recall what they have observed. Test your knowledge in this fun experiment.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!