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.

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.

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.

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

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.

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

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.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

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.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

This science fair project idea explores whether talking to a plant will help it grow.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.