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This fun middle school science fair project idea helps student discover the concepts behind deep sea diving and how Cartesian divers work.

In this science fair project caffeine will be extracted from Gunpowder Green Tea, illustrating the isolation of a naturally occurring product from a plant.

This science fair project idea examines the reason boats are shaped and engineered.

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

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

In this challenge, students are tasked with creating a car that can be powered by a balloon!

In this challenge, students are tasked with creating a model roller coaster that a marble can travel through.

This science fair project teaches students about wilting and browning of salad greens.

Can playing video games trigger an adrenaline rush even though there's no real danger? In this cool experiment you'll learn all about how fight-or-flight works!

Learn about the Atwood Machine and Newton's 2nd Law with a pulley and masses of different weights in this physics science project.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

This science fair project idea discovers the average time it takes for a person to remember something completely.

Explore the wattage of microwaves in relevance to cooking time.

Discover which method for odor removal words the best for stifling refrigerator odors.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

Compare the ignition rates of various types of flame-retardant materials.

Your preschooler can learn how to siphon water with just two bottles and a plastic tube in this fun, educational science activity.

Science fair project that examines the effects of soap on the surface tension of water. How does soap affect the surface tension of water?

Here is a kindergarten activity that blends art and science by using magnets, paint, and objects found around the house to create a picture.

Make an edible play dough with your child to help her develop her sensory and motor skills.

Cookie catastrophe! In this project you will determine if different types of cookie sheets can cause cookies to bake differently.

This experiment determines the distribution of darts around a bulls eye to simulate the probability of an electron's location in its own cloud of electrons.

This science fair project idea investigates the relationship between memory and age.

This science fair project investigates what type of cookie sheet bakes the best cookies.

This project explores the effectiveness of various common household ingredients in cleaning tarnished and oxidized coins.

Store bowls of fresh fruit in differently lighted environments. Contrast freshness based on appearance.

This two-ingredient dough, sometimes called "moon sand," is a quick and cheap way to let kids explore their senses, build fine motor skills, and play.