In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

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

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

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.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

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

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 does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

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

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

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

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

This science fair project investigates why the number of visible stars changes from place to place.

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

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.