Kindergarten - 6th Grade Science Activities : Page 6

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

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

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

Check out this silly game that will put your kid's animal habitat knowledge (and acting skills) to the test.

Introduce your child to the importance of preserving the world's biodiversity by turning a lesson on endangered species into a fun game for the whole family.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

Have your child kick off their summer vacation by making a miniature water slide!

Make sourdough bread...and learn some colonial history and modern science in the process!

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

What happens when "coffee-addicts" miss coffee for 1 day? Find out in this science fair project idea!

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

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

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

This project will explore whether test subjects, deprived of points of reference, will, in attempting to walk a straight course, walk in circles.

How powerful is the reaction between baking soda and vinegar? Find out here!

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

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.

Help your child add some flair to the family garden with pencil pinwheels!

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.