Using a toy race car kids create a visual model of the Doppler Effect.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

Test whether plants can grow without sunlight and water.

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

This science fair project idea investigates how magnetism can defy the force of gravity.

Inspire your child to learn about an amazing animal as she creates her very own polar bear habitat.

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

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

This science fair project idea demonstrates that plants give off water.

Do different types of oil mix or stack? Find out in this science fair project idea!

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

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

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!