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

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

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

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

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

What happens when eyes see something that the brain knows cannot be true? In this science activity, the brain has to "fudge" it when interpreting what you see.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

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?

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

In this project, vinegar and salt act as preservatives keeping bacteria from growing in the bouillon mixtures.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

Is your child a nature nut with an eye for creative, green-friendly projects? Introduce them to this amazing DIY bird feeder!

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 interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

Your child can use leaves and grass to create his own outdoor art in celebration of Earth Day...all he needs are is the great outdoors and some creativity!

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.