P2: Radiation and life Self assessment test Question 1 We can see the Ultraviolet part of the electromagnetic spectrum: TrueFalse.

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Presentation transcript:

P2: Radiation and life Self assessment test

Question 1 We can see the Ultraviolet part of the electromagnetic spectrum: TrueFalse

Well done! End

No, sorry……… You need to revise the electromagnetic spectrum. With this link, please remember that often, the electromagnetic spectrum is pictured with the high energy waves (e.g. gamma rays) on the right hand side.With this link, please remember that often, the electromagnetic spectrum is pictured with the high energy waves (e.g. gamma rays) on the right hand side.

Question 2: which of the people is the most likely to burn quickest when out on a sunny day? Click on the correct face.

No, sorry…… You need to revise how UV light can affect our skin: Click here.Click here

Question 3: Benefits of UV light. When the skin absorbs sunlight, it causes the body to make more of which vitamin? 1.AA 2.BB 3.CC 4.DD

No sorry You need to learn about the benefits of UV light for health neficial_effectshttp://en.wikipedia.org/wiki/Ultraviolet#Be neficial_effects

Question 4: The atmosphere absorbs, reflects and transmits radiation. Which of those does this show? First, click here. 1.AbsorbAbsorb 2.TransmitTransmit 3.ReflectReflect

No, sorry… You need to learn the difference between absorb, transmit and reflect. Go to the next page.

Transmission TRANSMISSION

Reflection REFLECTION

ABSORPTION Absorption

Question 5: Ozone has a formula of O 3. What are the names of the chemicals that change O 3 to oxygen (O 2 )? AFCs BFCs CFCs

No, sorry… Watch this animation to get the correct answer.Watch this animation to get the correct answer.

Question 6: In order for infrared radiation to be detected, it must be: absorbed reflected

No sorry….. See the animation on page 11 of the following link: physics/pc/lessons/uk_ks4_waves_2/h- frame-ie.htmhttp://lgfl.skoool.co.uk/content/keystage4/ physics/pc/lessons/uk_ks4_waves_2/h- frame-ie.htm

Question 7: Which of the following types of radiation is ionising? Visible light Infrared Ultraviolet Microwave

No, sorry… You need to learn about ionising and heating radiation, and which types they include. Go to: science/21c/radiation/electromagneticradi ationrev6.shtml

Question 8: Which type of radiation do mobile phones use to communicate with the base station? 1.InfraredInfrared 2.MicrowaveMicrowave 3.GammaGamma 4.UltravioletUltraviolet

No, sorry… Go to science/21c/radiation/hazardsradiationre v3.shtml

Question 9: Is microwave radiation ionising? 1.YesYes 2.NoNo

No, sorry…. You need to learn which types of radiation are ionising. Go to science/21c/radiation/electromagneticradi ationrev6.shtml

Question 10: Are x-rays ionising? 1.YesYes 2.NoNo

No, sorry… Go to science/21c/radiation/electromagneticradi ationrev6.shtml

Question 11: If we didn’t have an atmosphere, what would happen to the temperatures of our planet? 1.They would get hotterThey would get hotter 2.They would get colderThey would get colder 3.They would fluctuate to greater extremesThey would fluctuate to greater extremes

No, sorry… 1.To get the correct answer, compare it to Mars, which doesn’t have an atmosphere like ours (click on the solar system button): _preload.html

Question 12: Which of these three things does not increase the CO 2 levels in our atmosphere? Driving cars that use fossil fuels Factories Photosynthesis Respiration

No, sorry… You need to learn about the carbon cycle. Please go to: timedia/uploads/alberta/CarbonCycle.htm l

Well done! If you got them all right first time, that’s great! Otherwise, please click on this button to take the test again, but this time try to get them all right, now you’ve done some revision.