Phy Sci Quiz 2

A sound's pitch is related to its

• frequency

• intensity

• amplitude

• quality

The flow of thermal energy through a fluid is called

• convection

• radiation

• insulation

• conduction

Which type of thermal energy transfer is demonstrated by the rising of a hot air balloon?

• conduction

• convection

• insulation

• radiation

Kinetic energy depends on what two factors?

• mass and volume

• speed and mass

• height and velocity

• acceleration and height

What type of thermal energy transfer is demonstrated by the sun heating fabric seats in a car?

• insulation

• radiation

• convection

• conduction

Kinetic energy can be described as the energy of...

• condition

• motion

• storage

• position

How did Robert Boyle demonstrate that sound needs a medium through which to travel?

• he found that an alarm watch in a vacuum did not make a sound

• He recorded the time that distant pistol fire was heard

• he found that the speed of sound varied under different conditions

• he found that an alarm watch under water did not make a sound

How high or low a tone sounds is called its ??

• timbre

• pitch

• decibel

• amplitude

Which of the following contains the most thermal energy?

• a bathtub of warm water

• a cup of steam

• a pot of boiling water

• a large lake in the winter

Two objects in contact with each other will continue to transfer thermal energy until

• one object has a change of state

• the hotter object has absorbed all the thermal energy

• the objects have the same temperature

• the colder object has absorbed all the thermal energy