Movement of Molecules during Phase Change

(a)   are the smallest part of an element that maintains the chemical properties of that element.

Tags

NGSS.MS-PS1-1

What are the 3 common states of matter?

• atom, molecule, element

• solid, liquid, gas

• proton, neutron, electron

• liquid, gas, atom

Tags

NGSS.MS-PS1-4

A ____________ is a state of matter having a definite shape and a definite volume.

• gas

• solid

• liquid

• plasma

When a substance changes from a liquid to a solid, the molecules,

• get closer together and stop moving.

• maintain the same motion and separation.

• move faster and farther apart.

• move closer together and vibrate in place.

Tags

NGSS.MS-PS1-4

A_____________ is a state of matter having a definite volume, but not a definite shape; a fluid.

• solid

• gas

• plasma

• liquid

A woman throws a baseball to her son. The molecules in the ball:

• are packed tightly together and vibrate in place.

• are moving freely around each other.

• spread apart and move quickly.

• are not moving at all.

Tags

NGSS.MS-PS1-4

A __________ is a state of matter that has no definite shape and no definite volume.

• liquid

• gas

• solid

• plasma

When ice melts, the molecules making up the liquid water are:

• spread far apart and moving slowly.

• close together and vibrating.

• spread slightly apart and moving slowly past each other.

• close together and moving rapidly.

Tags

NGSS.MS-PS1-4

Which of the following items have molecules that are tightly packed together and vibrating in place?

• river water

• melting snow on a mountain

• water vapor

• ice making up a glacier

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A (a)   is a group of two or more atoms held together by a covalent bond.

Tags

NGSS.MS-PS1-1