G8 - SEM 2 EXAM - ENERGY & THERMAL ENERGY

How to convert Kelvin to Celsius?

• Celsius + 273

• Celsius - 273

• 273 - Celsius

How to convert Celsius to Kelvin?

• Kelvin + 273

• Kelvin - 273

• 273 - Kelvin

What is energy transformation?

• when energy changes from one form to another

• when energy moves from one object to another

What is energy transfer?

• when energy changes from one form to another

• when energy moves from one object to another

The transfer of heat from one particle of matter to another through direct contact is called

Heat transfer through the motion of matter is called

Transfer of energy (heat) through electromagnetic waves is called

What unit do scientists use to measure power?

• Joule

• Watt

• Kelvin

• Newton

You put your hand near a hot kettle.

What is causing your hand to feel warm?

• Conduction

• Convection

• Radiation

• Friction

Which type of energy doesn’t require a medium?

• Thermal

• EMR

• Chemical