Properties of Matter

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Your instructor gives you a container with a clear liquid in it. The liquid is a pure substance. What could you do to help identify the liquid in the container?

1 point

Weigh the liquid and compare it to the weight of other liquids.

Measure the volume of the liquid and compare it to the volumes of other liquids.

Measure the temperature of the liquid and compare it to the temperature of other liquids.

Determine the boiling point of the liquid and compare it to the boiling points of other liquids.

Clear selection

A student is trying to predict which objects are likely to float in water. She collects data in the table below.

Which of the objects are likely to float in water (check all that apply)?

2 points

Ball 1 will float

Ball 2 will float

Ball 3 will float

Ball 4 will float

A student makes some observations about three solids and summarizes the results in the table below.

Which of the solids could be the same substance?

1 point

Solids 1 and 2 could be the same substance.

Solids 2 and 3 could be the same substance.

All of the solids could be the same substance.

None of the solids could be the same substance.

Clear selection

A student has a ball of wax. The wax is a pure substance. The student removes a small piece of wax from the ball. Which of the following statements is TRUE about what happens to the mass and melting point of the ball of wax after the piece is removed?

1 point

Both the mass and melting point of the ball of wax change.

Both the mass and melting point of the ball of wax stay the same.

The mass of the ball of wax changes, and its melting point stays the same.

The melting point of the ball of wax changes, and its mass stays the same.

Clear selection

You find an object that is made of a pure metal. What could you do to identify which metal the object is made of?

1 point

Determine its density and compare it to the density of other metals.

Measure its length and compare it to the length of other metals.

Determine its shape and compare it to the shape of other metals.

Measure its mass and compare it to the mass of other metals.

Clear selection

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