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Tenth Grade (Grade 10) Solar System Questions

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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 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 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 it sits between the Sun and the Earth?
  1. Crescent Moon
  2. Gibbous Moon
  3. Full Moon
  4. New Moon
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
Asteroids are made up of what?
  1. gaseous materials
  2. liquid materials
  3. metallic
  4. rocks
Grade 10 Planetary Motion
Eccentricity refers to what?
  1. the wobble of Earth as it spins
  2. the shift in the direction of the axis spin
  3. the cycles of ice ages and warming periods
  4. the elliptical shape of Earth's orbit
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 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 Small Bodies and Dwarf Planets
The biggest asteroid known is what?
  1. Ceres
  2. Eros
  3. Icarus
  4. Vesta
Grade 10 Small Bodies and Dwarf Planets
The belt between Mars and Jupiter is called                .
  1. asteroids
  2. comets
  3. meteors
  4. stars
Grade 10 Solar System
Who proposed the heliocentric model of the solar system?
  1. Copernicus
  2. Kepler
  3. Ptolemy
  4. Galileo
Grade 10 Small Bodies and Dwarf Planets
When a meteor hits Earth, it is now called as                    .
  1. asteroid
  2. comets
  3. meteorite
  4. interplanetary dust
Grade 10 Inner Planets
Earth is sometimes described as a giant                .
  1. electromagnet
  2. circuit
  3. magnet
  4. compass
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 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 Inner Planets
Which planet has the highest surface temperature?
  1. Mars
  2. Mercury
  3. Earth
  4. Venus
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