Honors Chemistry

Measuring Mass

https://www.nist.gov/pml/weights-and-measures/si-units-mass

Describe the properties and units of mass.

What is the base unit of mass in the metric system?

Veritasium: World's Roundest Object!

The world's roundest object helps solve the longest running problem in measurement -- how to define the kilogram.

Lab: Measuring the mass of a substance

Performance Objectives

Students should be able to:

Use the digital scale to measure the mass of a sample.
Use various methods (tare) to measure the mass of powder and liquid on the digital scale.

Eureka 1: Inertia

eureka 01 inertia

Physics is all about what?

What do things like to do?

How can you change things doing what they like to do?

The first rule of physics states:

Things like to keep on doing what they're already doing.

Inertia means _____

Eureka 2: Mass

eureka 02 mass

Differentiate between the size of an object to the mass of an object.

Why are big things harder to get moving and stop moving than smaller objects?

What is the relationship between the Inertia of an object and its mass?

Eureka 7: Weight vs. Mass

eureka 07 weight VS mass

Relate weight to gravity.

The unit of weight takes what into account?

How does mass differ than weight?

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