Vriend States of Matter 2

Question 1

Describe how the particles in a solid would appear and how they would move.

Answer 1

The particles would be tightly packed together and only able to vibrate but not move.

Question 2

Describe how the particles in a liquid would appear and how they would move.

Answer 2

The particles would be loosley packed and able to slide across and over each other.

Question 3

Describe how the particles in a gas would appear and how they would move.

Answer 3

The particles would be far apart moving around quickly.

Question 4

Thermal energy always moves from the hot or cold object to the hot or cold object.

Answer 4

Thermal energy always moves from the hot object to the cold object.

Question 5

What does it mean if a substance gains energy?

Answer 5

When a substance gains energy it means it is heating up.

Question 6

What does it mean if a substance loses energy?

Answer 6

When a substance loses energy it means that heat is moving away from it and it is getting colder.

Question 7

What is the term used to describe what is happening to a solid when it changes its state of matter to a liquid?

Answer 7

Melting

Question 8

What is the term used to describe what is happening to a liquid when it changes its state of matter to a solid?

Answer 8

Freezing

Question 9

What is the term used to describe what is happening to a liquid when it changes its state of matter to a gas?

Answer 9

Vaporization

Question 10

What is the term used to describe what is happening to a gas when it changes its state of matter back to a liquid?

Answer 10

Condensation