1.Rubber is a_____.
a.conductor
b.insulator
c.radiator
d.vibrator

2.It is the transfer of heat through the movement of liquids and gases.
a.conduction
b.convection
c.radiation
d.vibration

3.The vibration of object produces_____.
a.heat
b.light
c.sound
d.radiation energy

4.which is NOT a method of heat transfer?
a.conduction
b.convection
c.radiation
d.vibration

5.It is a method where heat is transfered through direct contact.
a.conduction
b.convection
c.radiation
d.vibration​