Matter Changing States

A measure of the average kinetic energy of the individual particles in an object is called:

• thermal energy
• conduction
• convection
• temperature

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The temperature of a substance increases as___.

• the substance expands
• the average kinetic energy of its particles increases
• the substance's volume increases
• the substance's mass increases

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Matter will change from one state to another if thermal energy is _______.

• released
• absorbed
• all of the above
• none of the above

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

As the thermal energy of a substance increases, its particles spread out and the substance expands.

• True
• False

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Thermal energy and temperature are the same.

• True
• False

Tags

NGSS.MS-PS3-4

How do the atoms behave in a solid?

• Atoms slide against each other to fill a bottle.
• Atoms are far apart and fly around the room.
• Atoms are close together and shake.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

How do the atoms behave in a liquid?

• Atoms move very fast.
• Atoms keep their shape.
• Atoms slide against each other to fill a bottle.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

How do the atoms behave in a gas?

• Atoms move very fast.
• Atoms shake.
• Atoms move at different speeds.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

When a substance is heated, particles will

• Move further apart

• Get larger

• Move closer together

• Be unaffected

Tags

NGSS.MS-PS1-4

True/False: When a substance changes state, its mass also changes.

• FALSE

• TRUE