GA. S8P1c,d: Exploring Matter: Changes and Properties

Avery is measuring different materials in her science class. Which of the following is a physical property of matter?

• Reactivity

• Density

• Combustibility

• Flammability

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DOK Level 2: Skill/Concept

• Chemical change

• Physical change

• Combustion

• Reactivity

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DOK Level 2: Skill/Concept

Which of the following scenarios best demonstrates a chemical change?

• Ava observes ice melting into water

• Kai notices a nail rusting over time

• William sees water boiling

• Ava watches salt dissolving in water

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DOK Level 3: Strategic Thinking

How does the density of a substance typically change when it transitions from a solid to a liquid state?

• Density increases

• Density decreases

• Density remains the same

• Density becomes zero

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DOK Level 2: Skill/Concept

A student observes that a piece of magnesium ribbon burns with a bright flame and forms a white powder. What type of change is this?

• Physical change

• Chemical change

• Phase change

• Dissolution

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DOK Level 3: Strategic Thinking

Which of the following is an example of a physical change?

• Burning wood

• Dissolving sugar in water

• Rusting iron

• Baking a cake

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DOK Level 2: Skill/Concept

When comparing the boiling points of two substances, what type of property are you examining?

• Chemical property

• Physical property

• Reactivity

• Combustibility

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DOK Level 2: Skill/Concept

Which of the following observations would best support the claim that a chemical change has occurred?

• A change in temperature

• A change in color

• Formation of a gas

• All of the above

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DOK Level 3: Strategic Thinking

What happens to the density of a gas when it is compressed into a smaller volume?

• Density increases

• Density decreases

• Density remains the same

• Density becomes zero

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DOK Level 2: Skill/Concept

Which of the following is a chemical property of a substance?

• Boiling point

• Density

• Reactivity

• Melting point

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DOK Level 2: Skill/Concept