Heat & Electricity

Which of the following is NOT a heat source?

• 
• 
• 
• 

What is Earth's main heat source?

• 
• 
• 
• 

Heat is a form of _______________.  

• movement
• energy
• melting

Instrument that can be used to measure how hot or cold an object is ...

• heater

• Stop watch

• thermometer

Which of the following statements is true?

• The faster the particles move, the lower the temperature.

• The faster the particles move, the higher the temperature.

• The slower the particles move, the higher the temperature.

What happens to water if it gains heat?Choose 3 correct options.

• It boils.

• It freezes.

• It changes its state.

• It turns to steam.

• It changes its property.

Which of the following measures temperature?

• 
• 
• 
• 
• 

What is temperature?

• a form of heat

• a form of energy

• a measure of how old or cold something is

• something to measure how hot or cold an object is

What unit do you use to measure Thermal Energy?

• J/Kg ºC
• Kg
• ºC
• J

When things are hot molecules are moving...

• Fast
• Slow
• They are not moving
• They are moving by not fast or slow