In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

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

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

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

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.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

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

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

The purpose of this science fair project is to build a basic radio.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

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

Examine the effect of pressure on carbonation in soda.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

Discover whether cold or hot water from the faucet will boil faster on the stove.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!