Showing Results for one digit and two step word problems

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

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!

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.

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!

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.

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.

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.

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.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Is your child a young ornithologist in the making?

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

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

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

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

In this fun activity, your child will create their very own solar oven to bake s'mores!

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

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

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

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

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

This science fair project idea explores substances that cause a bubble to last longer.