Physics

Metals are good conductors of electricity because

• they contain free electrons

• the atoms are lightly packed

• they have high melting point

• all of the above

Mass refers to the?

• amount of matter in an object
• weight of an object
• both matter and weight

The graph shows an object that is _____________.

• In motion

• At rest

• Accelerating

• Decelerating

Heat always transfers from hot to cold. 

• True
• False

What type of interference is represented in this diagram?

• Constructive

• Destructive

What is the frequency of a wave?

• # of oscillations produced in a certain amount of time

• The distance the wave oscillates from it's resting position

• The lowest point of a transverse wave

• Resting point of a wave - no wave movement

What is the amplitude of a wave?

• Where there is no wave movement

• The distance the wave oscillates from it's resting position

• A disturbance that transfers energy from one place to another

• The distance between two corresponding parts of a wave