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Card 6
Front
What is a bluetooth signal?
Back
Card 7
Front
How do we create a radio wave and how do we change the frequency?
Back
Card 8
Front
Why are using mobile phone's a hazard and why did the Uk recommend they should be limited by children?
Back
Card 9
Front
What's the Doppler effect and when was it discovered?
Back
Card 10
Front
What's the difference between red-shift and blue-shift?
Back
Card 11
Front
Name 2 discoveries Edwin Hubble made..
Back
Card 12
Front
What does Edwin Hubble's discoveries tell us about the universe?
Back
Card 13
Front
Which 2 ideas does the Big Bang Theory state?
Back
Card 14
Front
What type of radiation, evidence from the big bang theory, was discovered in 1965?
Back
Card 15
Front
What form of energy do scientists think is responsible for the expansion of the universe accelerating?
Back
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