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Science isn't ho hum anymore when it involves building catapults to teach your fifth grader about projectile motion.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Discover whether cheap saline solution bottle cleans and disinfects just as well as more expensive kinds formulated with different ingredients.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Demonstrate the capillary function in plants by adding food coloring to glasses of water. Slice stalks of celery and leafy tops. Compare color of leaves

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Learn about our response to scents that existed in our environment over evolutionary time and consider why scents might affect our mood state.

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Science fair project that identifies the nature of ionic and covalent bonds and determines how ionic and covalent compounds differ.

This science fair project idea discovers whether plants grow best in chemical fertilizer, organic fertilizer, or with no fertilizer at all.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.

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.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

Learn about our cognitive capacity of attention and to learn about factors that influence attention.

What does yeast eat? Sugar, of course. But yeast also has some powerful enemies in the form of antifungal agents! Kids test them out in this fun yeast lab.

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Use applied math to model orbital eccentricity in this cool science fair project for 7th grade.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

Determine which metal has the highest rate of conductivity.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.