Lab: Physical and Chemical Changes

Question 1

Use the drop-down menus to label each of the following changes P for physical change and C for chemical change. The substance changes to a new substance.

Revolt · Accepted Answer

B: C

Question 2

Select each process that shows a physical change. Select all that apply.

Revolt · Accepted Answer

A: Chopping Wood; C: Heating Water

Question 3

Which statements below are an appropriate hypothesis in response to this question? Check all that apply.

Revolt · Accepted Answer

B: If a substance undergoes a physical change, then it will retain most of its original properties because no new substance is formed.; C: If a substance undergoes a chemical change, then it will not retain its original properties because a new substance is formed.

Question 4

The original substance can be recovered.

Revolt · Accepted Answer

A: P

Question 5

Check all correct elements below that you included in your lab question.

Revolt · Accepted Answer

A: Format: How can you distinguish A from B?; B: Comparison: physical changes vs. chemical changes

Question 6

The color changes.

Revolt · Accepted Answer

B: C

Question 7

Gas is produced and given off.

Revolt · Accepted Answer

B: C

Question 8

The substance changes size, shape, or volume.

Revolt · Accepted Answer

A: P

Lab: Physical and Chemical Changes Answers

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