P2- Radiation and Life OCR 21st century

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What on the EM spectrum has the highest energy, frequency and smallest wavelength?
Gamma rays
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What on the EM spectrum has the lowest energy, frequency and biggest wavelength
Radio waves
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What is another term for electromagnetic radiation?
Electromatic waves
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What effects the temperature of an object?
The frequency of thermal radiation emitted
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What affects the intensity of the radiation?
The distance from the source.
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What is the ionising radiations on the EM spectrum?
UV radiation, X-rays and Gamma rays
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What can ionising radiation do?
Ionising radiation can affect cells in the body by causing mutation which may lead to cancer
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What is the greenhouse effect?
Gases such as carbon dioxide keep the heat from the sun in the Earths atmosphere.
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What protects people from UV radiation?
The ozone layer.
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What can microwaves be used for?
Communication
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What is an advantage of digital signals?
They are easyer to put interupted signals into their original qualityt
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Card 2

Front

What on the EM spectrum has the lowest energy, frequency and biggest wavelength

Back

Radio waves

Card 3

Front

What is another term for electromagnetic radiation?

Back

Preview of the front of card 3

Card 4

Front

What effects the temperature of an object?

Back

Preview of the front of card 4

Card 5

Front

What affects the intensity of the radiation?

Back

Preview of the front of card 5
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