Showing Results for mass and weight

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

In this activity, have your second grader practice measuring by finding the height, weight, and length of their most treasured toy!

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

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!

This science fair project will help students learn about non-vascular plants, such as mosses.

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

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

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 investigates how the shape of an object affects drag.

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

Here's a thought-provoking activity to make new vocabulary words "stick" in the mind of your young learner.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Your child can get out the acrylic paints and create a colorful paperweight perfect for dad this Father's Day!