Year 8: Energy

How do we measure temperature?

• In degree Celsius

• In Inches

• In Pounds

• In Centimeters

What tool does this picture show?

• Thermometer

• Thermostat

• Scale

What is temperature?

• The measure of the kinetic energy or movement of atoms.

• The measure of coldness

• The space an object takes.

If the atoms of an object are moving fast, the temperature would be...

• Higher

• Lower

• Unknown

If the atoms of an object are moving slow, the object would feel...

• Colder

• Hotter

• Unknown

Thermal energy ALWAYS moves from _____ to _____.

• hot to cold

• solid to gas

• ice to water

• solid to liquid

Based on the graph below, the two substances have reached-

• thermal equilibrium

• thermal entropy

• thermal energy

• thermal conductivity

Heat flow occurs between two objects when they possess different...

• temperatures

• specific heats

• masses

• densities

When an ice cube melts in your hand...

• Thermal energy is transferred from your hand to the ice cube.

• Thermal energy is transferred from the ice cube to your hand.

• Thermal energy gets destroyed and disappears.

• Thermal energy does not go anywhere.

The flow of thermal energy from warmer objects to cooler objects is called ______.

• heat

• friction

• movement

• energy