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Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

This science fair project idea examines whether boys and girls differ in reflexes.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

This science experiment tests if dog saliva can really help heal wounds.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Making your own glass cleaner is easy, effective and inexpensive!

Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

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.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Put your young paleontologist's puzzle-solving skills to the test by having her hunt for dinosaur bones and then assemble them to create dinosaur skeletons.

Challenge your learner to design and build a city of their own in this creative engineering activity.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

In this science fair project you will make a model of a cell membrane using very simple material.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

Could there be toxic chemicals lurking in the cupboards and closets of your home?

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.