Science fair project that determines whether mass and weight are the same or different.

The project examines absorbent polymers absorbency in disposable diapers and their unique ecological problem to the environment.

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.

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

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.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

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.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

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

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

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

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

In this project students experiment with making music using only glasses of water.

In this experiment we will be determining whether birds prefer certain colors of seed.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

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

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

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

This science fair project idea measures and compares effects of chemical weathering, specifically carbonation, on different kinds of rocks.

This science fair project idea explores the different properties & interactions of sugar molecules.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

This project investigates the affect of storage temperature on microwave popcorn.