Heat energy

What is source of heat?

• Something that do not gives out heat.

• Something that are cold

• Something that gives out heat of its own.

Which of the following is the most important source of heat?

• 
• 
• 

Which of the following below is the correct category for sources of heat.

• 1. The sun

  2. Electricity

  3. Burning Fuels

  4. Water

• 1. The Sun

  2. Electricity

  3. Burning Fuels

  4. Friction

• 1.The Moon

  2. Electricity

  3. Burning Fuels

  4. Friction

What source of heat represent the picture?

• Sun

• Electricity

• Burning Fuels

• Friction

What is the definition of temperature?

• Temperature is a measure of the degree of hotness or coldness.

• Temperature is a measure of the degree of hotness only.

• Temperature is a measure of the degree coldness only.

Which of the following shows the correct way to measure by using thermometer.

• A

• B

• C

What is the temperature shown on the thermometer?

• 36 degrees celcius

• 36.6 degrees celcius

• 36.9 degrees celcius

What is the temperature shown?

• 35 degrees celcius

• 36 degrees celcius

• 37 degrees celcius

The picture is an example of.....

• Heat gain

• Heat loss

How do heat flow?

• Heat flow from cold region to hot region.

• Heat flow from hot region to cold region.

• Heat flow from hot region to hot region.