Year 7

Insulation

Describe insulation and how different insulators can be used.

Year 7

Insulation

Describe insulation and how different insulators can be used.

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Lesson details

Key learning points

  1. Describe an insulator in terms of energy transfers
  2. Describe some uses of insulation, such as in a vacuum flask and a home

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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.

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6 Questions

Q1.
Which two materials allow electricity and heat to travel through them easily?
Correct answer: conductors
insulators
Correct answer: metals
non-metals
Q2.
All are good thermal conductors.
Correct Answer: metals, metal
Q3.
Which method of energy transfer occurs in a vacuum?
conduction
convection
Correct answer: radiation
Q4.
Match the words to the correct descriptions.
Correct Answer:convection,energy transfer by particles through fluids

energy transfer by particles through fluids

Correct Answer:conduction ,energy transfer by particles through solids

energy transfer by particles through solids

Correct Answer:radiation,energy transfer by waves through vacuums

energy transfer by waves through vacuums

Q5.
How is energy transfered from the Sun to Earth?
conduction
convection
Correct answer: radiation
Q6.
What form of energy transfer occurs when water boils in a kettle?
conduction
Correct answer: convection
radiation

6 Questions

Q1.
are poor conductors of electricity and heat.
Correct Answer: Insulators, Non-metals, Non metals, Insulator, Nonmetals
Q2.
Which two of the following are insulators?
Correct answer: air
aluminium
copper
Correct answer: rubber
Q3.
Which two of the following insulation methods prevent heat loss through windows?
cavity wall insulation
Correct answer: curtains
Correct answer: double glazed windows
loft insulation
Q4.
Which of the following would be most effective at keeping a drink cold?
glass
metal bowl
plastic cup
Correct answer: vacuum flask
Q5.
What is the difference between a conductor and an insulator?
Correct answer: A conductor allows heat and electricity to flow through it easily and an insulator does not.
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?
Correct answer: A space that contains no particles.
A space that has some particles.
A space that is filled with particles.