Energy, Motion and Waves

What does the particle model explain?

• The arrangement and movement of particles in substances

• The way in which atoms interact with one another

• The particle nature of light waves

• The subatomic particles that atoms are made of

Tags

NGSS.MS-PS1-4

The particles within solids are?

• Somewhat attracted to one another

• Tightly packed and strongly attracted to each other

• Moving around with very high energy

• Loosely attracted and free to move around

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The particles in gases are?

• Loosely attracted and free to move around

• Tightly attracted to one another

• Moving around very slowly

• Always in the same position

What property is unique of liquids?

• They are difficult to transport

• They form the same shape as their containers

• They have very low boiling points

• The molecules are very tightly bounds to one another

The heating of a frying pan on the stove is an example of what?

• Radiation

• Convection

• Conduction

• Friction

The way in which a fire place heats a room is an example of what?

• Conduction

• Convection

• Radiation

• Sublimation

Warm air is ________ dense than cool air?

• Less

• More

Tags

NGSS.MS-PS1-4

Which of the following best explains convection current?

• BBQ hotplate

• A hot fire

• Air-conditioning

• Hot stove

Tags

NGSS.MS-PS3-4

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Sound energy is a form of waves?

• True

• False

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

The speed of sound is what?

• 5 km/h

• 35 meters per second

• 300 meters second

• 1000 km/h

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2