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4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

The objective of this science project is to determine the relationship between carbon dioxide gas and the temperature of the atmosphere.

This science research project challenges students to think of more effective lobster farming methods.

In this science fair project, young children notice and track changes in trees throughout the year.

Want to boost math and science learning? Take a bug expedition and give your first grader practice observing and charting what they see.

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

Your 1st grade scientist will improve her observation skills as she's encouraged to eat healthy by comparing the dry and fresh fruit in this experiment.

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

Get this cool middle school science fair project idea on how to conduct a flame test to detect the presence of certain metals in chemical compounds.

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

This science fair project idea experiments with spinning color wheels and optical illusions.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

This science fair project aims to examine the nature of pi and analyze other properties and values related to circles, such as radius, diameter

This science experiment has students test whether a snail moves faster on concrete or dirt.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Measure the densities of various fruits and vegetables to determine if there is a relationship between density and nutritional value.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

This science project helps students gain understanding of bioluminescence, the phenomenon that allows fireflies and glow worms to give off light.

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

The goal of this science fair project is to identify the galactic center of the milky way using globular clusters, as found through Google Earth.

In this design challenge, students will be tasked with creating a bouncy ball polymer!

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

Has your child ever played weatherman? Try this science activity that lets kids try their hands at observing and predicting the weather.

This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

This is a fun way to introduce kids to the concept of volume, and give them a quick hands-on activity to boot.

This science project examines the history of earthquakes and what we can do to prevent future disasters.

Investigate how to keep your fruit fresh for longer. The purpose of this science experiment it to determine which kind of bag best preserves fruit.