1983032
Descripción
Test por Bella Statham, actualizado hace más de 1 año
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Creado por Bella Statham
hace más de 9 años
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Pregunta 1
Pregunta
Nuclear power stations don't burn fossil fuels, so don't contribute to global warming.
Respuesta
- True
- False
Pregunta 2
Pregunta
Ben buys an oven.
The inside and outside surfaces of the oven are light coloured and shiny.
Explain why.
Respuesta
-
light, shiny surfaces are good insulators
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light, shiny surfaces are good reflectors
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light, shiny surfaces increase ultraviolet radiation
Pregunta 3
Pregunta
Why, on average, do wind turbines operate at maximum power output for only 30% of the time?
Respuesta
-
Because wind power is unreliable as the amount of wind at any given time is unpredictable, so they will not always be running at maximum efficiency.
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Many of them are made poorly.
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If they operated at 100%, they would break.
Pregunta 4
Pregunta
Solids are difficult to compress because their particles are packed together tightly.
This is due to...
Respuesta
-
strong forces of attraction
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ionic bonds
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large nucleuses
Pregunta 5
Pregunta
Gases will spread to fill their container because...
Respuesta
-
because of weak forces of attraction and particles being spread far apart
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the particles have lots of energy
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the particles don't have many electrons so are able to move freely
Pregunta 6
Pregunta
Hannah puts uncooked biscuits into an oven.
What type of electromagnetic radiation makes biscuits turn brown?
Respuesta
-
ultraviolet
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infra red
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ultrasound
Pregunta 7
Pregunta
What does a frequency of 440 Hz mean?
Respuesta
-
The sound wave compresses 440 times in a second
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The sound wave compresses 440 times in an hour
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The sound wave compresses 440 times in a minute
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The sound wave moves at 440 miles per hour
Pregunta 8
Pregunta
It is incredibly likely that a nuclear power station could have a nuclear disaster.
Respuesta
- True
- False
Pregunta 9
Pregunta
Which of the following is NOT a disadvantage of replacing an old fridge with a new fridge?
Respuesta
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Cost
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More energy efficient
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Disposing of the old fridge is time consuming
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Fridge goes to a landfill
Pregunta 10
Pregunta
A copper block is placed into an emmersion heater. Energy is transferred through the copper block.
What is the name of the process by which this energy is transferred?
Respuesta
-
Conduction
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Convection
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Radiation
Pregunta 11
Pregunta
A student has a table of continuous data.
Suggest what type of graph the student should use.
Respuesta
-
Line graph
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Bar chart
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Box plot
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Histogram
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