SC YR 5 UNIT 6 : HEAT

What is temperature?

• A measurement of how hot or cold a material is.

• A measurement of how old or new a material is.

• A measurement of how big or small a material is.

What is heat?

• a type of force

• a type of food

• a type of energy

• a type of energy source

Which temperature readings indicates it is getting hotter.

• 20°C > 25°C > 23°C > 45°C

• 20°C > 23°C > 25°C > 45°C

• 45°C > 23°C > 25°C > 20°C

• 45°C > 25°C > 23°C > 20°C

A device that is use to measure temperature is known as

• Thermostat

• Thermometer

• Terminator

• Telescope

Which of the following has the least amount of heat?

• 
• 
• 
• 

What is the reading of temperature?

• 90 °C

• 28 °C

• 24 °C

• 10 °C

Which of the following is not true about heat?

• When a substance loses heat, it become warmer

• The sun is sources of heat energy

• Heat is a form of energy

• When substance gain heat, it becomes warmer

A glass of water was placed under the Sun for 3 hours. What happens to the water in the glass?

• The water loses heat and its temperature fall.

• The water loses heat and its temperature increases.

• The water absorbs heat and its temperature decreases.

• The water gains heat and its temperature rises.

What happen to a cup of tea when it loses heat?

• Its temperature increases.

• It becomes more tasty.

• It becomes hotter.

• It becomes cooler.

The diagram shows ice melting after a few minutes.

What can we infer?

• The ice gains heat from the surroundings.

• The ice loses heat to the surroundings.

• The ice evaporates.

• The temperature of ice drops.