What is mass? What is weight? Illustrated discussion of mass and weight including how they are measured.

Lars in Antarctica needs help. Can you help him with all the months of the year and with mass?

Peruse this resource to learn about gravity, its importance, the Universal Law of Gravitation, the difference between mass and weight, and more fun facts.

[Free Registration/Login Required] This flipchart is a basic introduction to the properties of matter, mass, and weight. It discusses the physical properties of objects.

Read, brainstorm, drag objects, erase to reveal answers, and move weights on a balance scale to learn about forces, mass, gravity, weight, and balance in this activity created by SMART.

Practice comparing mass by trying the Teeter Totter Experiment. Watch the teeter totter move up and down as you compare Marcus to each animal.

A huge collection of teacher resources to aide in the teaching of all types of metric measurement: length, distance, mass, weight, capacity, and volume. Activities include measuring, estimating, converting, investigating, and finding...

Balance the force of gravity with the force of the expanding gasses created by mixing baking soda and vinegar. Create a soda bottle submarine that sinks to the bottom of the bathtub and then rises back to the surface.