States of Matter

Liquid and gas particles have an indefinite shape because the particles are able to move freely.

• True
• False

Tags

NGSS.MS-PS3-4

The ​ (a)   is the average speed of all of the particles in a substance.​

• temperature
• thermal energy
• pressure
• viscosity

Tags

NGSS.MS-PS1-4

Viscosity is the inward force among the molecules of a liquid.

• True
• False

The particles in a solid are locked in place and do not move at all.

• True
• False

Tags

NGSS.MS-PS1-1

Amorphous solids do not melt at a distinct temperature, but instead become softer or change into other substances when heated.

• True
• False

Tags

NGSS.MS-PS1-4

A liquid has no definite shape, which means that it can take the shape of its container.

• true
• false

A liquid with a high viscosity flows quickly, while a liquid with a low viscosity flows slowly.

• True
• False

Liquids and gases are both fluids.

• true
• false

The faster that particles of a gas are moving, the greater their energy and the higher the temperature.

• true
• false

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Fluids will always move from

• low pressure to high pressure.
• high pressure to low pressure.
• one area of equal pressure to another area of equal pressure.
• larger volume to smaller volume.