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This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

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

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

Here's a simple craft activity that can help your youngster better visualize the life cycle of a frog as a circle.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

Enjoy those warm spring and summer nights with your child while teaching some basic astronomy at the same time.

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

This science fair project idea determines what household items are good conductors of electricity.

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

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.