Stemscopes Exam Physical Science 2

Question 1

Which form of heat transfer does NOT require matter?

Accepted Answer

Radiation

Answer

Conduction

Answer

Convection

Answer

Evaporation

Question 2

What is the law of conservation of energy?

Accepted Answer

Energy cannot be created or destroyed, only transformed

Answer

Energy can be created but not destroyed

Answer

Energy can be destroyed but not created

Answer

Energy is always lost as heat

Question 3

A ball rolling down a ramp converts which type of energy into kinetic energy?

Accepted Answer

Gravitational potential energy

Answer

Chemical potential energy

Answer

Elastic potential energy

Answer

Nuclear energy

Question 4

Which of the following is an example of a conductor?

Accepted Answer

Copper wire

Answer

Rubber

Answer

Wood

Answer

Plastic

Question 5

What does the pitch of a sound wave depend on?

Accepted Answer

Frequency

Answer

Amplitude

Answer

Speed

Answer

Wavelength only

Question 6

In which state of matter do particles have the most energy?

Accepted Answer

Plasma

Answer

Solid

Answer

Liquid

Answer

Gas