States of Matter

No Definite Shape and No Definite Volume

• Gas
• Liquid
• Solid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Definite shape and a definite volume.

• Gas
• Liquid
• Solid

When the temperature of matter decreases the particles ...

• speed up and move farther apart
• speed up and move closer together
• slow down and move farther apart
• slow down and move closer together

Tags

NGSS.MS-PS1-4

When air in a hot air balloon is heated the air inside the baloon...

• expands
• contracts
• evaporates
• condenses

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

If an object has particles that are moving very slowly, the object's temperature is probably ______.

• hot
• small
• cold
• big

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The fact that gases do not turn into liquids and solids over time is proof that the collisions between gas particles are...

• inelastic

• elastic

Gas pressure is caused by

• gas molecules colliding with surfaces
• gas molecules condensing to a liquid
• gas molecules hitting other gas molecule
• barometers

Tags

NGSS.MS-PS2-1

Which of the following is not an assumption of the kinetic theory of gases?

• Gas molecules move with the same speed, known as the r.m.s. speed

• Gas molecules are in constant free random motion

• Collisions between gas molecules are perfectly elastic

• The size of a gas molecule is negligible compared to the distance between gas molecules

What is viscosity?

• A liquid's resistance to flow.
• a liquids flow.
• a liquid
• gas to solid.

Surface tension is the property of water in which...

• water molecules at the surface tend to stick together.

• water spills easily.

• water tends to be see-through.