Heat Transfer Quiz

What causes a hot air balloon to rise?

• The weight of the balloon

• The expansion of hot air

• The color of the balloon

• The shape of the balloon

What is the main cause of convection currents in the Earth's mantle?

• Solar radiation

• Gravitational pull

• Heat from the Earth's core

• Ocean currents

Which of the following is a result of convection currents in the atmosphere?

• Formation of mountains

• Creation of ocean trenches

• Development of weather systems

• Erosion of rocks

Identify the object that uses electricity to produce light and heat.

• Lamp

• Plant

• Clock

• Table

What natural source of heat is depicted in the image?

• Moon

• Sun

• Stars

• Clouds

What is the primary purpose of a lamp in terms of energy?

• To provide heat

• To provide light

• To provide sound

• To provide water

What is the function of a kettle in a kitchen?

• To cool water

• To heat water

• To store water

• To filter water

Which of the following objects is not a source of heat?

• Iron

• Plant

• Oven

• Kettle

What is the role of the sun in the image?

• To provide light only

• To provide heat and light

• To provide water

• To provide air

What is heat a form of?

• Matter

• Energy

• Light

• Sound