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This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

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 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.

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!

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

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

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

Hatch a praying mantis egg case in a homemade habitat with your child's help! This is an amazing experiment in science and nature for kids of any age.

Want to spark your third grader's interest in gardening? Help him make popsicle stick fairies to decorate an enchanting garden oasis.

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

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

This craft is a great way to explore the fascinating world of spiders and their webs as you collect spider webs from around your house with your third grader.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

Help your kid feel like a superhero with this safe and fun science experiment that creates an electrical charge that's like a mini lightning bolt!

Help your child create a tasty treat that will demonstrate exactly how frogs survive a freezing season.

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

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

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?