Planets
This planet is closest to the sun.
Answer: What is Mercury?
100 – A chunk of ice and dust that forms a tail near the sun.
Answer: What is a comet?
100 – Earth spins on this imaginary line.
Answer: What is an axis?
100 – The moon does not make its own light. It does this instead.
Answer: What is reflect sunlight?
100 – The star at the center of our solar system.
Answer: What is the sun?
200 – These four planets are called the inner planets.
Answer: What are Mercury, Venus, Earth, and Mars?
200 – Small rocky objects mostly found between Mars and Jupiter.
Answer: What are asteroids?
200 – Earth takes this long to rotate once.
Answer: What is 24 hours/1 day?
200 – The phase when the whole moon appears bright.
Answer: What is a full moon?
200 – Earth’s tilted axis causes these.
Answer: What are seasons?
300 – This planet is known for its large rings.
Answer: What is Saturn?
300 – A meteoroid that burns in Earth’s atmosphere is called this.
Answer: What is a meteor?
300 – Earth revolves around this object.
Answer: What is the sun?
300 – The phase when the moon cannot be seen well from Earth.
Answer: What is a new moon?
300 – This happens when the moon blocks the sun.
Answer: What is a solar eclipse?
400 – These planets are called gas giants.
Answer: What are Jupiter and Saturn?
400 – Objects that orbit planets are called these.
Answer: What are moons/satellites?
400 – Day and night are caused by this Earth movement.
Answer: What is rotation?
400 – The moon takes about this long to orbit Earth.
Answer: What is about 1 month/28 days?
400 – This happens when Earth’s shadow falls on the moon.
Answer: What is a lunar eclipse?
500 – This planet has the greatest distance from the sun.
Answer: What is Neptune?
500 – Name a dwarf planet
Answer: What is Pluto? (or Ceres)
500 – Earth takes this long to revolve around the sun.
Answer: What is 365.25 days/1 year?
500 – The changing appearance of the moon is caused by this.
Answer: What is the moon’s position around Earth?
500 –When is it summer in the northern hermisphere, it is this season in the southern hemisphere.
Answer: What is winter?