Insulation
Describe insulation and how different insulators can be used.
Insulation
Describe insulation and how different insulators can be used.
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Lesson details
Key learning points
- Describe an insulator in terms of energy transfers
- Describe some uses of insulation, such as in a vacuum flask and a home
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6 Questions
Q1.
Which two materials allow electricity and heat to travel through them easily?
insulators
non-metals
Q2.
All are good thermal conductors.
Q3.
Which method of energy transfer occurs in a vacuum?
conduction
convection
Q4.
Match the words to the correct descriptions.
energy transfer by particles through fluids
energy transfer by particles through solids
energy transfer by waves through vacuums
Q5.
How is energy transfered from the Sun to Earth?
conduction
convection
Q6.
What form of energy transfer occurs when water boils in a kettle?
conduction
radiation
6 Questions
Q1.
are poor conductors of electricity and heat.
Q2.
Which two of the following are insulators?
aluminium
copper
Q3.
Which two of the following insulation methods prevent heat loss through windows?
cavity wall insulation
loft insulation
Q4.
Which of the following would be most effective at keeping a drink cold?
glass
metal bowl
plastic cup
Q5.
What is the difference between a conductor and an insulator?
An insulator allows heat to flow through it easily and a conductor does not.
An insulator is a metal and a conductor is a non-metal.
Q6.
What is a vacuum?
A space that has some particles.
A space that is filled with particles.