Unit 10- Matter's Properties

What is the primary difference between mass and weight?

• Mass is the amount of matter in an object, while weight is the gravitational force acting on that object.

• Mass changes with location, while weight remains constant.

• Mass is measured in newtons, while weight is measured in kilograms.

• Mass and weight are the same and can be used interchangeably.

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DOK Level 1: Recall

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A block of metal has a mass of 200 grams and a volume of 50 cm³. What is its density?

Density = mass/ volume

• 2 g/cm³

• 4 g/cm³

• 5 g/cm³

• 6 g/cm³

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DOK Level 2: Skill/Concept

Which of the following properties is independent of the amount of the sample?

• Mass

• Volume

• Density

• Weight

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DOK Level 1: Recall

How would you classify a substance that is a good conductor of electricity and has a high melting point?

• Metal

• Non-metal

• Gas

• Liquid

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DOK Level 2: Skill/Concept

Explain why two objects with the same volume might have different masses.

• They have different densities.

• They are made of the same material.

• They are at different temperatures.

• They are in different locations.

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DOK Level 3: Strategic Thinking

A scientist measures the mass and volume of a liquid and finds its density to be 0.8 g/cm³. If the volume of the liquid is doubled, what happens to its density?

• It doubles.

• It halves.

• It remains the same.

• It quadruples.

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DOK Level 2: Skill/Concept

Which of the following is an example of a physical property that can be used to classify a substance?

• Reactivity with acid

• Density

• Flammability

• Ability to rust

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DOK Level 1: Recall

Describe a method to determine whether a substance is magnetic.

• Measure its mass and volume.

• Test its ability to conduct electricity.

• Place it near a magnet and observe if it is attracted.

• Heat it to see if it melts.

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DOK Level 2: Skill/Concept

A student claims that a heavier object will always sink in water. How would you evaluate this claim?

• Agree, because heavier objects have more mass.

• Disagree, because sinking depends on density, not just mass.

• Agree, because weight determines buoyancy.

• Disagree, because all objects float in water.

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DOK Level 3: Strategic Thinking

Which of the following is a characteristic property of a substance that does not change regardless of the sample size?

• Mass

• Volume

• Weight

• Melting point

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DOK Level 1: Recall