What is Mass?

Mass: The amount of matter (or stuff) in

an object.

We use a balance with a fulcrum to measure it.

The metric unit is grams or kilograms.

WeightIt’s a measure of gravity.

We use a spring scale to measure it.

The metric unit is the Newton (g/m2), though kilograms are also

used.

Weight vs. Mass

Can change

based on where you are in the universe

Stays the same

unless something is added or taken

away

-Indicate how heavy

something is.

-Measured in Kg.

-Equal Valued on Earth

357.3g

53.9g

405.5 or 405.6g

299.3 or 299.4g

4.2g

406.1g

77.0g

209.9g

215.0g