States of Matter and Phase Changes

Which scenario would BEST explain the phase change shown in the picture?

• A pot of water boils and forms steam.

• Pond water freezes on a cold winter day.

• Water droplets form on grass on a cool morning.

• Snowman melts on a sunny day.

Tags

NGSS.MS-PS1-4

Everything that has mass and takes up space is ___.

• volume

• mass

• matter

• square

Tags

NGSS.5-PS1-1

Which state of matter is described below?

1. Particles are packed closely together

2. Particles vibrate

3. Strong molecular attraction between particles

• solid

• liquid

• gas

• plasma

Tags

NGSS.MS-PS1-4

Which state of matter is described below?

1. Particles are less densely packed

2. Particles slide around past each other

3. Not a strong molecular attraction between particles

• solid

• liquid

• gas

• plasma

Tags

NGSS.MS-PS1-4

Which state of matter is described below?

1. Particles move freely

2. High energy

3. Very weak molecular attraction between particles

• solid

• liquid

• gas

• plasma

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The windows in your home are made of glass. Which of the following statements describes the motion of particles that make up the glass?

• The particles of the glass are always vibrating.

• The particles of the glass move only when the window is being opened or closed.

• The particles of the glass move only when the sun warms the window.

• The particles of the glass are never moving.

Tags

NGSS.MS-PS1-4

A hot air balloon rises because its ___.

• particles are less attracted by gravity when heated

• particles move slower and closer together when heated

• particles move faster and farther apart when heated

• particles become charged and repel each other when heated

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The three states of matter are different. However, liquids and gases do have some things in common. One of these is ____.

• the liquids and gases are both more dense than solids

• the liquids and gases both take the shape of their container

• that liquids and gases have the same densities as solids

• that liquids and gases do not take the shape of their container

The level of Mercury inside of a thermometer rises when placed in hot water. Why does the level of liquid rise?

• Heat molecules push the molecules of the liquid downward.

• Heat causes the molecules of the liquid to get farther apart.

• The molecules of the liquid break down into atoms and take up more space.

• Water molecules are pushed into the thermometer.

Tags

NGSS.MS-PS1-4

Consider the diagrams representing particle arrangements. Which correctly matches the diagrams with the three phases of matter?

• A, gas; B, liquid; C, solid

• A, gas; B, solid; C, liquid

• A, solid; B, liquid; C, gas

• D, solid; B, gas; C, liquid

Tags

NGSS.MS-PS1-4