Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

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.

Find out whether packaged seeds actually do expire in this new science fair project idea.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

Find out whether putting something on top of a plant will inhibit its growth.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

This science fair project idea investigates whether plants can survive being frozen.

This science fair project idea determines if the color of light affects the growth of plants.

Demonstrate how to tell the age of an egg without having to crack it open.

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

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

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

This science fair project idea is develops new or improved paper making techniques and encourages recycling.

This science fair project idea determines the most effective method of preserving food.