Vocabulary Quiz: Phase Change

Freedom of Movement
What does "freedom of movement" refer to?

• • The way light travels through a substance

• • The way molecules in a substance move around relative to each other

• • The way sound travels through air

• • The temperature of a substance

Tags

NGSS.MS-PS1-4

Kinetic Energy
What is "kinetic energy"?

• • The energy that an object has because it is moving

• • The energy stored in an object at rest

• • The energy produced by heat

• • The energy of molecules attracting each other

Tags

NGSS.MS-PS3-1

Molecular Attraction
What does "molecular attraction" mean?

• • The push between two molecules in a substance

• • A pull between two molecules that is always the same for a substance

• • The energy created when molecules collide

• • A force that changes the state of a substance

Tags

NGSS.MS-PS2-5

Molecule
What is a molecule?

• • A single atom that cannot bond

• • A group of atoms joined together in a particular way

• • A type of energy created by atoms

• • A visible particle in a substance

Tags

NGSS.MS-PS1-1

Phase
What does "phase" refer to?

• • A type of chemical reaction

• • A noticeably different form or state of the same substance

• • A process where a substance heats up

• • A change in molecular structure

Tags

NGSS.MS-PS1-4

Scale
What does "scale" mean?

• • A tool used to measure weight

• • The relative size of things

• • The temperature of an object

• • The speed of a moving object

Tags

NGSS.MS-ESS1-3

Temperature
What does "temperature" measure?

• • How heavy something is

• • How much energy is in a substance

• • How hot or cold something is

• • How fast molecules move

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which of the following best explains why "molecular attraction" is important in phase changes?

• • It determines how molecules repel each other in a substance.

• • It affects how molecules pull together, influencing whether a substance is solid, liquid, or gas.

• • It controls the temperature of the substance directly.

• • It causes molecules to move freely in all directions.

Tags

NGSS.MS-PS1-4

Fill in the Blanks

The energy that an object has because it is moving is called ______ _______.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

True or False

A phase is a noticeably different form or state of the same substance.

• True

• False

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4