1814074
Beschreibung
Quiz von Adorkable_dreamer, aktualisiert more than 1 year ago
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Erstellt von Adorkable_dreamer
vor etwa 10 Jahre
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Frage 1
Frage
Which state does conduction occur in?
Antworten
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Solids
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Liquids
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Gases
Frage 2
Frage
Do black, matt objects absorb better than light, shiny objects?
Antworten
- True
- False
Frage 3
Frage
Condensation is faster if...?
Antworten
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Temperature of the gas is higher.
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Gas has a higher density.
Frage 4
Frage
Non-metals conduct better than metals?
Antworten
- True
- False
Frage 5
Frage
In evaporation what happens to the overall energy and speed of the particles?
Antworten
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Overall energy and speed of particles decreases as particles evaporate
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Overall energy and speed of particles stays the same as particles evaporate
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Overall energy and speed of particles increases as particles evaporate
Frage 6
Frage
Evaporation is the change of state from a liquid to gas?
Antworten
- True
- False
Frage 7
Frage
In a vacuum flask, which two features are used to prevent conduction?
Antworten
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Cao made of plastic and filled with cork.
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Silver lining.
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Insulation foam supporting the bottle.
Frage 8
Frage
In a cold climate, do animals have large ears or small ears to prevent heat loss?
Antworten
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Large ears
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Small ears
Frage 9
Frage
If the intial cost of loft insulation is £100 and the annual saving is £20, how many years will the payback time take?
Antworten
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4 years
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200 years
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5 years
Frage 10
Frage
U-Values show how slow heat transfers through a material
Antworten
- True
- False
Frage 11
Frage
Which two methods of insulation reduce heat transfer by conduction and convection
Antworten
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Thick curtains
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Cavity wall insulation
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Hot water tank jacket
Frage 12
Frage
The principal of conservation of energy means that energy cannot be created or destroyed.
Antworten
- True
- False
Frage 13
Frage
What is the efficiency of an energy-saving lightbulb that converts 60J of energy into 40J of light energy
Antworten
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1.5
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3
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20
Frage 14
Frage
Carbon dioxide can be 'captured' before it is released from burning fossil fuels and pumped into oil and gas fields beneath the sea.
Antworten
- True
- False
Frage 15
Frage
What do transformers do when transferring electricity from the National Grid to consumers?
Antworten
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Maintain the voltage of electricity.
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Increase the voltage so that current is decreased whilst transferring electricity through pylons and then decrease to lower voltages for consumers.
Frage 16
Frage
What two ways provide energy during peak demands of electricity?
Antworten
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Carbon capture fields.
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pumped storage systems such as that of a hyrdroelectric power
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Biofuel from vegetable oils.
Frage 17
Frage
Underground cables have a higher set-up cost than overhead cables but are less reliable and harder to access.
Antworten
- True
- False
Frage 18
Frage
What is the order of the Electromagnetic spectrum?
Antworten
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Radio, Microwaves Infra-red, Visible light, Ultraviolet, X-rays, Gamma rays.
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Microwaves, Visible light, Ultraviolet, X-rays, Radio, Gamma rays.
Frage 19
Frage
All waves travel at the same speed through a vacuum
Antworten
- True
- False
Frage 20
Frage
Transverse waves are?
Antworten
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Perpendicular to the direction of energy transfer
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parallel to the direction of energy transfer
Frage 21
Frage
Longitudinal waves show areas of compression and rarefraction?
Antworten
- True
- False
Frage 22
Frage
What is the formula for wave speed?
Antworten
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Wave speed = frequency x wavelength
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Wave speed = frequency divided by wavelength
Frage 23
Frage
The angle of incidence is equal to the angle of reflection?
Antworten
- True
- False
Frage 24
Frage
When waves diffract,, how big will the diffraction be if the gap is slightly wider than the wavelength?
Antworten
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Diffracts only at edges.
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Little diffraction
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Maximum diffraction
Frage 25
Frage
Waves only defract if they meet a new medium at an angle
Antworten
- True
- False
Frage 26
Frage
If a wave is travelling along the normal, the speed changes and the wave is defracted.
Antworten
- True
- False
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