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Tenth Grade (Grade 10) Astronomy Questions

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Grade 10 Small Bodies and Dwarf Planets
What is the difference between meteor and meteorite?
  1. A meteor is moving through Earth's atmosphere and the meteorite actually lands on Earth.
  2. Meteors are made up of carbon, while meteorites are made of ice
  3. A meteorite is moving through the Earth's atmosphere and the meteor actually lands on Earth.
  4. They are just the same.
Grade 10 Small Bodies and Dwarf Planets
Why is a meteorite different from a comet?
  1. It enters the Earth's atmosphere.
  2. It has a tail of ice and gas.
  3. It has a nucleus mad of rock and snow.
  4. It is found in orbit between Jupiter and Mars.
Grade 10 The Moon
How much of the Moon is continuously lit up?
  1. 20 percent
  2. 30 percent
  3. 40 percent
  4. 50 percent
Grade 10 Stars
A star that we observe is accelerating away from us at an increasing rate. How does this effect the spectral light image?
  1. It interferes with equipment, creating blurry and unreadable images.
  2. It shifts all the spectral lines to the red side of the spectrum.
  3. It shifts all the spectral lines to the blue side of the spectrum.
  4. It compressed the sound that the spectral images make, making it sound higher pitched.
Grade 10 Inner Planets
Mars is 1.5 astronomical units from the sun. If the planets are lined up like the image below, which of the following is true? (The image below may not be to scale)
  1. Earth is always closer to the Sun then it is to Mars.
  2. Mars is twice the distance to the Sun then Earth is.
  3. Mars is half the distance to Earth then the Earth is to the Sun.
  4. Mars is 1.5 light years away from the Earth.
Grade 10 Stars
If we are using the hubble telescope observe a star that is 20 million light years away, which of the following statements are true?
  1. The star moving away from us, so the light it emits is moving slower.
  2. The star has to be made out of hydrogen, otherwise we wouldn't be able to see it.
  3. We wouldn't be able to see a star that is 20 million light years away because the universe hasn't been around long enough for the light to reach us.
  4. The star could no longer exist, because the light we are seeing has travelled for 20 million years and the star could have died.
Grade 10 Universe
Edwin Hubble helped provide evidence of the big bang theory by doing what?
  1. Building the Hubble telescope.
  2. Showing that galaxies are moving away from us, so the universe is expanding.
  3. Showing that some galaxies are getting closer to us, some are moving away.
  4. Discovering how to measure long distances.
Grade 10 Small Bodies and Dwarf Planets
Asteroids are made up of what?
  1. gaseous materials
  2. liquid materials
  3. metallic
  4. rocks
Grade 10 Small Bodies and Dwarf Planets
These small bodies are also called shooting stars.
  1. asteroids
  2. comets
  3. meteors
  4. interplanetary dust
Grade 10 The Moon
The moon gets its light from                                .
  1. nuclear reactions from its core
  2. the Sun
  3. radioactive element
  4. none of the above
Grade 10 Small Bodies and Dwarf Planets
Grade 10 The Moon
What do we call a phase of the Moon when more than half of it is lit up?
  1. Crescent Moon
  2. Gibbous Moon
  3. Full Moon
  4. New Moon
Grade 10 The Moon
What do we call a phase of the Moon when less than half of it is lit up?
  1. Crescent Moon
  2. Gibbous Moon
  3. Full Moon
  4. New Moon
Grade 10 The Moon
What is the phase of the Moon when 100% of it is lit up?
  1. Crescent Moon
  2. Gibbous Moon
  3. Full Moon
  4. New Moon
Grade 10 The Moon
Grade 10 Small Bodies and Dwarf Planets
What is the composition of an asteroid?
  1. Ice, dust, rock, frozen gases
  2. Metals and rocky material
  3. Rock, ice, salt, carbon
  4. Rock, ice, magma, frozen gases
Grade 10 The Moon
How often do the phases of the Moon cycle repeat?
  1. Around 24 hours
  2. Around a week
  3. Around once a month
  4. Around once a year
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