Showing Results for three digit and two step word problems

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

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

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

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

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

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

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

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

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 height at which a pendulum is released affects the length of time it continues.

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

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

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

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

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

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

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 determines if the size of the parachute will change the rate at which an object falls.

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

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

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.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

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

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

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

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

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

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!