What are mass and weight and what are the units for them?

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Presentation transcript:

What are mass and weight and what are the units for them?

Objectives Explore what mass and weight are and the difference between them. Outcomes (5) Define mass and weight (6) Calculate the weight of a range of objects. (7) Analyse why weight can be changed but why mass cannot. Key terms: Mass, weight, force, Newton, gravity, matter.

Tasks Using the balances, scales and newton meters calculate the mass and weight of a range of objects. 1. Design a table. 2. Gather results 3. Come up with a rule for the relationship between mass and weight. Outcomes (5) Define mass and weight (6) Calculate the weight of a range of objects. (7) Analyse why weight can be changed but why mass cannot. Key terms: Mass, weight, force, Newton, gravity, matter.

Tasks Using the balances, scales and newton meters calculate the mass and weight of a range of objects. 1. Design a table. 2. Gather results 3. Come up with a rule for the relationship between mass and weight. Outcomes (5) Define mass and weight (6) Calculate the weight of a range of objects. (7) Analyse why weight can be changed but why mass cannot. Key terms: Mass, weight, force, Newton, gravity, matter.

What is the difference between mass and weight? Outcomes (5) Define mass and weight (6) Calculate the weight of a range of objects. (7) Analyse why weight can be changed but why mass cannot. Key terms: Mass, weight, force, Newton, gravity, matter.

Task Carry out the calculations on mass and weight. Outcomes (5) Define mass and weight (6) Calculate the weight of a range of objects. (7) Analyse why weight can be changed but why mass cannot. Key terms: Mass, weight, force, Newton, gravity, matter.

Task Define mass and weight. Outcomes (5) Define mass and weight (6) Calculate the weight of a range of objects. (7) Analyse why weight can be changed but why mass cannot. Key terms: Mass, weight, force, Newton, gravity, matter.