9.01 Units of mass

Lesson

Are you ready?

Can you compare how heavy different objects are?

If two objects have very different weights, we can use different units of mass for their measures.

This video introduces the units of grams, and kilograms and discusses the types of objects that would be measured by these units.

Which unit is best to measure the mass of this cup of flour?

Remember!

The prefix can help with identifying the size of the units.

kilo - means "one thousand of", so a kilogram has $1000$1000 grams.

Select and use appropriate tools to measure the length of an object, the volume of liquid within a beaker and temperature.