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