3.7 To explain that all matter occupies space and has volume and  (Page 2/2)

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Mass is defined as:

"a physical quantity expressing the amount of matter in a body" and is measured in kilogram.

If I therefore say that I weigh 55 kg, I mean that the amount of matter comprising my body comes to 55 kg.

The mass of an object therefore gives an indication of the amount of matter that an object contains.

The definition of weight is:

" the vertical force experienced by a mass as the result of gravitation."

It is important to know that all forms of matter (solid substances, liquids and gases) have mass.

Explain the difference between mass and weight in your own words.

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Assessment

Learning Outcome 1: The learner will be able to act confidently on curiosity about natural phenomena, and to investigate relationships and solve problems in scientific, technological and environmental contexts.

Assessment Standard 1.1: We know this when the learner plans investigations: plans simple tests and comparisons and considers how to conduct these properly

Learning Outcome 2: The learner will know and be able to interpret and apply scientific, technological and environmental knowledge.

Assessment Standard 2.3: We know this when the learner interprets information by identifying key ideas in text, finding patterns in recorded data, and making inferences from information in various forms (e.g. pictures, diagrams, text).