A state of matter with a definite volume but no definite shape.

A state of matter with no definite shape or volume.

A state of matter where gas is energized until atomic electrons are no longer associated with the nucleus.

What is a phase change?

A transition of matter from one state to another.

The process of a solid turning into a liquid.

The process of a liquid turning into a solid.

The process of a solid turning directly into a gas.

The process of a gas turning directly into a solid.

What is condensation?

The process of a gas turning into a liquid.

What is vaporization?

The process of a liquid turning into a gas.

The concentration of salt in water.

What is the freezing point?

The temperature at which a liquid turns into a solid.

What is the melting point?

The temperature at which a solid turns into a liquid.

What is the density of water?

1 gram per cubic centimeter at 4 degrees Celsius.

What is the displacement method for calculating volume?

A method to determine the volume of an object by measuring the amount of water it displaces.

Because it is less dense than liquid water.

Why is it easier to float in salt water?

Because salt water is denser than fresh water.

Does salinity or temperature affect density more?

Both can affect density, but salinity generally has a greater impact.

Does salinity or temperature affect the ability to float in water more?

Salinity generally affects buoyancy more.

What does density have to do with hot air balloons?

Hot air balloons rise because the air inside is less dense than the cooler air outside.

What does density have to do with why hot air balloons are launched in the morning?

Morning air is cooler and denser, providing better lift.

The ability of an object to float in a fluid.

How does salinity affect buoyancy?

Higher salinity increases buoyancy.

How does temperature affect buoyancy?

Temperature changes can affect the density of the fluid, thus affecting buoyancy.

How does temperature affect the volume of an air-filled object?

Increasing temperature generally increases the volume of the object.

How does temperature affect density?

Generally, increasing temperature decreases density.

How does temperature affect the pressure of a contained liquid or gas?

Increasing temperature increases the pressure.

Properties of Matter: Density, Temperature, Phases Flashcards

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34 questions

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1.

FLASHCARD QUESTION

Front

What is matter?

Back

Anything that has mass and takes up space.

2.

FLASHCARD QUESTION

Front

What is mass?

Back

The amount of matter in an object.

3.

FLASHCARD QUESTION

Front

What is volume?

Back

The amount of space an object occupies.

4.

FLASHCARD QUESTION

Front

What is density?

Back

Mass per unit volume of a substance.

5.

FLASHCARD QUESTION

Front

What is heat energy?

Back

Energy that is transferred between systems or objects with different temperatures.

6.

FLASHCARD QUESTION

Front

What are the phases of matter?

Back

Solid, liquid, gas, and plasma.

7.

FLASHCARD QUESTION

Front

What is a solid?

Back

A state of matter with a definite shape and volume.

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