Showing Results for three set comparison

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

This science fair project idea explores how length affects the weight a bridge can hold.

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

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Slip some science into storm watching with a homemade rain gauge!

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

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.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

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

Plants and light seem to be good buddies, but how far does the friendship really go?

Make edible amber fossils with your second grader to explore the fascinating world of science!

This science fair project idea investigates if webbed feet help a duck (and others) swim.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

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

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.

Start your toy engines -- this is going to be a fast and friction-filled race!

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.

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

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

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 project examines whether people's taste perception is influenced by what they see.

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

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

Try this simple 2nd grade science experiment to teach your child about the principles of luminosity and light reflection.

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