Revision: HEAT. ppt

Convection is a process that occurs in which of the following states of matter?

• A) Solids

• B) Liquids

• C) Gases

• D) Both B and C

Which process is essential for understanding heat transfer in fluids?

• Conduction

• Convection

• Radiation

• Evaporation

What does 'thermal equilibrium' mean?

• A) Objects are at the same temperature

• B) Objects are at different temperatures

• C) Objects are moving

• D) Objects are vibrating.

Fill in the blank: When particles are cooled, they move ______.

• Faster

• Slower

• At the same speed

• Randomly

What is the arrangement of particles in a solid?

• Tightly packed

• Loosely packed

• Randomly arranged

• Far apart

Fill in the blank: The change from gas to liquid is known as ____.

• Evaporation

• Condensation

• Melting

Fill in the blank: Heat transfer through electromagnetic waves is called ________.

• A) Conduction

• B) Convection

• C) Radiation

Fill in the blank: ________ is the method of heat transfer that does not require a medium.

• Conduction

• Convection

• Radiation

Fill in the blank: The _______ is located between the outer core and the lithosphere.

• A) Inner core

• B) Mantle

• C) Convection Cell

• D) Ridge Push

What is the function of convection cells in the Earth's mantle as shown in the diagram?

• They cool the Earth's core

• They drive the movement of tectonic plates

• They form the lithosphere

• They create the inner core.