Density

Density

Assessment

Flashcard

Physics

7th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is density?

Back

Density is the mass of an object divided by its volume. It is usually expressed in grams per cubic centimeter (g/cm³) or kilograms per cubic meter (kg/m³).

2.

FLASHCARD QUESTION

Front

How do you calculate density?

Back

Density = Mass / Volume.

3.

FLASHCARD QUESTION

Front

What is the unit of density?

Back

The unit of density is typically grams per cubic centimeter (g/cm³) or kilograms per cubic meter (kg/m³).

4.

FLASHCARD QUESTION

Front

What does it mean if an object is more dense than another?

Back

If an object is more dense than another, it means it has more mass per unit volume compared to the other object.

5.

FLASHCARD QUESTION

Front

What happens to the density of a substance when it is heated?

Back

Generally, when a substance is heated, its volume increases and its density decreases.

6.

FLASHCARD QUESTION

Front

What is the relationship between mass and volume in density?

Back

Density is directly related to mass and inversely related to volume. Increasing mass increases density, while increasing volume decreases density.

7.

FLASHCARD QUESTION

Front

How can you determine which of two objects is denser?

Back

You can determine which object is denser by comparing their mass and volume. The object with the greater mass for the same volume is denser.

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