Changes in Matter

Question 1

Which of the following could be classified as matter? Check all of the boxes that apply.

Revolt · Accepted Answer

A: desk; B: water; D: cloud; E: helium

Question 2

Determine whether each statement is a description of a physical property or a chemical property. Please check the box that applies.Copper conducts heat well.

Revolt · Accepted Answer

A: physical

Question 3

Determine whether each statement is a description of a physical property or a chemical property.Sodium metal reacts vigorously with water to produce hydrogen gas.

Revolt · Accepted Answer

B: chemical

Question 4

Determine whether each statement is a description of a physical property or a chemical property.Paper burns readily in air.

Revolt · Accepted Answer

B: chemical

Question 5

Malleability

Revolt · Accepted Answer

A: intensive

Question 6

The metal is observed to begin to melt when the temperature of its container is approximately 29°C. The metal is most likely .

Revolt · Accepted Answer

E: gallium

Question 7

Determine whether each statement is an example of a physical change or a chemical change.Paper is shredded.

Revolt · Accepted Answer

A: physical

Question 8

Determine whether each statement is an example of a physical change or a chemical change.Newspaper yellows in the sun.

Revolt · Accepted Answer

B: chemical

Question 9

Alcohol has a sweet odor.

Revolt · Accepted Answer

A: physical

Question 10

Salt is a solid.

Revolt · Accepted Answer

A: physical

Changes in Matter Answers

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