Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

This science fair project idea explores the egg's thin membrane.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

This science fair project idea investigates the difference in reaction times between boys and girls.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

Beetles come in many shapes and colors. Here's how your second grade child can create his own beetles to paint and play with!

Have your child kick off their summer vacation by making a miniature water slide!

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

This science fair project idea investigates the hardness property of minerals.

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.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

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.

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.

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.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

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

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

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.

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

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.

Slip some science into storm watching with a homemade rain gauge!