p1 cameron and jacek

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what solar pannels do?

convert light energy into electrical or heat
how long does it take to travel round the world at speed of light? ( give anwser in whole number)

1-2
what are the longest waves?

Radio waves are longest waves
can you sterilise an apple with gamma rays?

yes. the gamma rays will kill all microbes keeping the fruit fresh for longer.
what are all 8 renewable energy sources? name them.

wind, waves, tides, hydroelectric, solar, geothermal, food and biofuels
can energy be created or destroyed?

no. energy was always there and it cant be destroyed.
which wave has the smallest wavelength?

gamma rays have the smallest wavelength.

Author

154141

Card Set

p1 cameron and jacek

Description

questionaire

Updated

2012-05-16T11:26:28Z

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