Year 8
Radiation
Explain the process of radiation and how different surfaces can affect the absorption and emission of radiation.
Year 8
Radiation
Explain the process of radiation and how different surfaces can affect the absorption and emission of radiation.
Switch to our new science teaching resources
Slide decks, worksheets, quizzes and lesson planning guidance designed for your classroom.
Play new resources video
Lesson details
Key learning points
- Explain how heat is transferred by radiation
- Explain everyday observations using an understanding of absorption and emission of radiation
Licence
This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.
Loading...
6 Questions
Q1.
What term is used to describe a material that allows heat or electricity to pass through it?
Q2.
What term is used to describe a material that does not allow heat or electricity to pass through it easily?
conductor
convector
radiator
Q3.
What unit is temperature measured in?
kilograms
kilometers
newtons
Q4.
What unit is energy measured in?
degrees Celsius
degrees Fahrenheit
newtons
Q5.
Select two words to complete the statement. Energy can never be ___________ or ______________.
spread
transferred
transformed
Q6.
Energy is transferred from the Sun to Earth ...
by heating.
electrically.
mechanically.
6 Questions
Q1.
Which method of energy transfer does not require particles?
Q2.
How does thermal energy from the Sun travel to Earth?
by conduction and convection only
by conduction, convection and radiation
by convection only
Q3.
Which word describes the giving out of radiation?
absorbing
reflecting
transmitting
Q4.
Which word describes the taking in of radiation?
emitting
reflecting
transmitting
Q5.
What happens to the temperature of an object that absorbs heat radiation?
It decreases.
It remains the same.
Q6.
Light shiny surfaces are ...
good absorbers of radiation.
good emitters of radiation.