Worksheets8th Grade Energy Transformation Quiz
Total questions: 18
Worksheet time: 9mins
Which of the following best describes the law of conservation of energy?
a. Energy can be created but not destroyed.
b. Energy can be destroyed but not created.
c. Energy can be neither created nor destroyed.
d. Energy can be created and destroyed.
What is the term used to describe the transfer of heat through direct contact or collision of atoms?
a. Conduction
b. Radiation
c. Convection
d. Transformation
Which of the following is an example of conduction?
a. A pot of water boiling on a stove
b. Sunlight warming the Earth's surface
c. A fan cooling down a room
d. A hot air balloon rising in the sky
How does heat transfer occur through radiation?
a. Through direct contact or collision of atoms
b. Through the movement of currents in a liquid or gas
c. Through the emission of electromagnetic waves
d. Through the transfer of thermal energy by particles
Which of the following best describes convection?
a. Transfer of heat through direct contact or collision of atoms
b. Transfer of heat through the emission of electromagnetic waves
c. Transfer of heat through the movement of currents in a liquid or gas
d. Transfer of heat through the transfer of thermal energy by particles
What is the primary source of radiant energy on Earth?
a. The Sun
b. Lightning
c. Volcanoes
d. Nuclear reactors
Which type of heat transfer is responsible for the circulation of air in a room when a heater is turned on?
a. Conduction
b. Radiation
c. Convection
d. Transformation
What happens to the molecules of a substance when heat is transferred through conduction?
a. They move faster and collide more frequently.
b. They emit electromagnetic waves.
c. They form currents in a liquid or gas.
d. They transform into a different substance.
Which of the following is an example of convection?
a. A metal spoon heating up when placed in hot soup
b. A person feeling warmth from sitting close to a fireplace
c. A pot of water boiling on a stove
d. A cold drink becoming warmer when left outside on a hot day
Which of the following is an example of radiation?
a. A metal spoon heating up when placed in hot soup
b. A person feeling warmth from sitting close to a fireplace
c. A pot of water boiling on a stove
d. Sunlight heating up the Earth's surface
How does heat transfer occur through convection?
a. Through direct contact or collision of atoms
b. Through the emission of electromagnetic waves
c. Through the movement of currents in a liquid or gas
d. Through the transfer of thermal energy by particles
What type of heat transfer occurs in a vacuum?
a. Conduction
b. Radiation
c. Convection
d. Transformation
Which of the following is an example of radiation?
a. A metal spoon heating up when placed in hot soup
b. A person feeling warmth from sitting close to a fireplace
c. A pot of water boiling on a stove
d. Sunlight warming the Earth's surface
How does heat transfer occur through radiation?
a. Through direct contact or collision of atoms
b. Through the movement of currents in a liquid or gas
c. Through the emission of electromagnetic waves
d. Through the transfer of thermal energy by particles
Which of the following best describes the law of conservation of energy?
a. Energy can be created but not destroyed.
b. Energy can be destroyed but not created.
c. Energy can be neither created nor destroyed.
d. Energy can be created and destroyed.
What is the process by which heat is transferred from the Sun to the Earth?
a. Conduction
b. Convection
c. Radiation
d. Transformation
Which of the following is an example of heat transfer by conduction?
a. Feeling the warmth of a campfire from a distance
b. Feeling the heat from a hot cup of coffee when holding it
c. The circulation of warm air in a room when a heater is turned on
d. The warming of the Earth's surface by sunlight
What happens to the molecules of a gas when it is heated?
a. They move slower and collide less frequently.
b. They move faster and collide more frequently.
c. They emit electromagnetic waves.
d. They transform into a different substance.
