Mass vs. Weight Introduction to Gravity. Opener: April 1, 2014 Explain the difference between mass and weight. ◦ Use page 185.

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Presentation transcript:

Mass vs. Weight Introduction to Gravity

Opener: April 1, 2014 Explain the difference between mass and weight. ◦ Use page 185

To Do List: Opener Notes: Mass vs. Weight Mass vs. Weight Venn Diagram Homework: Finish Worksheet

What do you need to know? Be able to define mass and weight. Be able to explain the difference between mass and weight. Be able to discuss the effect gravity has on mass and weight.

Mass vs. Weight

Key Vocabulary Mass Weight

What is mass? Mass - is the amount of matter in an object. ◦ Matter = something that has mass and takes up space. ◦ Measured using a triple-beam balance

What is weight? Weight – measure of the gravitational force exerted on an object. ◦ Changes with location ◦ Weight = Mass X Gravity ◦ Measured using a spring scale

Differences between Mass and Weight Mass Mass is a measure of the amount of matter in an object. Mass is always constant no matter where the object is located in the universe. Weight Weight is a measure of the gravitational force on an object. Weight varies depending on where the object is in relation to the Earth (or any large body in the universe)

Compare/Contrast MassWeight

What did you learn? Mass is the measure of the amount of matter in an object. Mass is constant Weight is the measure of the gravitational force exerted on object. Weight can change depending on location, therefore it is not constant.

Homework Finish the Mass vs. Weight Worksheet