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Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

In this science fair project, young children discover what happens when two fluids that have different densities get together.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

Help children understand the power of germs and the importance of hand washing with this visual activity that introduces the concept of scientific inquiry.

People have favorite flavors, but what about ants? Which ant food is the most popular?

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.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

Invite your kindergarten scientist to conduct this color mixing experiment to discover which primary hues make a rainbow of secondary colors.

Using a toy race car kids create a visual model of the Doppler Effect.

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

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.

Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

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

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

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

Here's a science activity to help your child investigate how seeds are designed to travel.

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

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

Here's a math, science, and social studies activity: help your kindergartener become a "coin archaeologist" by examining how different coins look and feel.

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

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

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

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

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

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

Hold a magnet marathon! Explore the power of magnets with your kindergartener in this entertaining and simple science game.

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.