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Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

This science fair project examines how seeds hitchhike on animals and clothing.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

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

In this activity your child will create their very own marble maze!

Introduce your child to the amazing, almost magical phenomenon of static electricity!

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

Here's a fun science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

Is it a square or a circle? See if you can trick your friends with this zany science project!

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

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.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

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

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

Your child might have noticed how bubbles quickly lose their colors and pop. Check out this creative way to make those bubbles last longer.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

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!

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

This classic children's game demonstrates how sound travels through air vs. through a solid.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!