Showing Results for one digit and two step word problems

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

This project compares the strength of one, two, and three-ply toilet paper.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

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

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

Find out whether a longer airplane will fly farther or a wider paper airplane.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

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!

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

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

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

This science fair project idea investigates how the shape of an object affects drag.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

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

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.

This science fair project idea examines which type of insulation holds in the most heat.

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.