U1 Final Mastery Quiz: Physical vs. Chemical & Variables

I. Experimental Variables Section

For the following two lab scenarios, identify the independent, dependent & control variables.

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II. Physical vs. Chemical Changes Section

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Which of the following is an example of physical change?

A glass cup falls from the counter and shatters on the ground.

Baking a birthday cake for your mother.

Mixing baking soda and vinegar together, and this causes bubbles and foam.

Lighting a piece of paper on fire and the paper burns up and leaves ashes.

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Which of the following is an example of physical change?

Mixing baking soda and vinegar together, and this causes bubbles and foam.

A glass cup falls from the counter and shatters on the ground.

Baking a birthday cake for your mother.

Lighting a piece of paper on fire and the paper burns up and leaves ashes.

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Which of the following is an example of chemical change?

A plant collecting sunlight and turning it into glucose (food).

Filling up a balloon with hot air.

Your dog ripping up your homework.

Taking a glass of water and freezing it by placing it in the freezer.

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What characteristic best describes what happens during a `physical change`?

A. both the appearance of a substance and its identity change.

B. Chemical composition of substance stays the same

C. the appearance of a substance changes but its identity does not.

D. Both choices B and C

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Which is NOT usually a clue that could indicate a chemical change has occured?

No new substance is formed

Change in color

Energy changes are present

Odor or smell is present

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What evidence BEST supports the claim: “Students should be involved in school activities.”

According to a student, students have too many chores at home.

According to one parent, being involved in activities may cause students to be injured.

According to the National Teacher's association, students who are in activities receive better grades on average and have lower absence rates.

According to the U.S. Bureau of Economics, activities could cost a family $200 per child.

U1 Final Mastery Quiz: Physical vs. Chemical & Variables

Which of the following is an example of physical change?

Which of the following is an example of physical change?

Which of the following is an example of chemical change?

What characteristic best describes what happens during a physical change?

Which is NOT usually a clue that could indicate a chemical change has occured?

What evidence BEST supports the claim: “Students should be involved in school activities.”

Which of the following is an example of physical change?

Which of the following is an example of physical change?

Which of the following is an example of chemical change?

What characteristic best describes what happens during a physical change?

Which is NOT usually a clue that could indicate a chemical change has occured?

What evidence BEST supports the claim: “Students should be involved in school activities.”

What characteristic best describes what happens during a `physical change`?

What characteristic best describes what happens during a `physical change`?