Radiation in Space
Physics ⇒ Earth and Space Physics
Radiation in Space starts at 9 and continues till grade 12.
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See sample questions for grade 10
A spacecraft is traveling from Earth to Mars. Explain why it must be shielded from cosmic rays.
Describe how the Earth's atmosphere protects life from space radiation.
Describe one way astronauts are protected from harmful space radiation while on the International Space Station.
Explain why gamma rays from distant galaxies are difficult to detect on Earth's surface.
Explain why radio waves can travel through space but sound waves cannot.
What is cosmic microwave background radiation?
What is the main difference between cosmic rays and electromagnetic radiation?
A spacecraft is traveling from Earth to Mars. Explain why it must be shielded from cosmic rays.
Which of the following best describes ionizing radiation?
(1) Radiation that can remove tightly bound electrons from atoms
(2) Radiation that only heats objects
(3) Radiation that is visible to the human eye
(4) Radiation that cannot travel through a vacuum
Which of the following best explains why astronauts outside Earth's atmosphere are at greater risk from radiation?
(1) There is no gravity in space
(2) There is no atmospheric or magnetic shielding
(3) Space is colder
(4) There is more oxygen in space
Which of the following is a consequence of exposure to high levels of space radiation for astronauts?
(1) Improved vision
(2) Increased risk of cancer
(3) Enhanced muscle strength
(4) Faster healing of wounds
Which of the following is NOT a source of radiation in space?
(1) The Sun
(2) Distant stars
(3) The Moon
(4) Supernovae
Fill in the blank: The ________ belt is a region of charged particles trapped by Earth's magnetic field.
Fill in the blank: The ________ effect is the increase in wavelength of electromagnetic radiation as it moves away from a source, often observed in space.
Fill in the blank: The Earth's ________ protects us from most of the harmful ultraviolet radiation from the Sun.
Fill in the blank: The main source of natural radiation in space is the ________.
True or False: All radiation in space is harmful to humans.
True or False: Gamma rays have longer wavelengths than radio waves.
True or False: The Earth's magnetic field helps protect us from cosmic rays.
True or False: The electromagnetic spectrum includes only visible light.
