Science Vocab review - Earth, Moon, Sun, and Stars

2/14/2019 12:00:00 AM
10 questions extracted from Mobymax (Science, Grade 2), to help you review some basic vocabulary about Earth, Moon, Sun, and Stars. To learn more about this topic, get a Mobymax learning account (by going to http://contuhoc.com/mobymax).
What is Earth’s axis?
  • an imaginary line around the outside of the Earth
  • a real line through the center of the Earth
  • the spin of Earth around an imaginary line
  • an imaginary line through the center of the Earth
What is rotation?
  • spinning on an axis
  • spinning in the sky
  • staying still in the sky
  • staying still on an axis
What is an orbit?
  • a path through another object
  • a path around another object
  • spinning around an axis
  • a straight path above an object
What is a constellation?
  • a group of stars we cannot see
  • a single star in the sky
  • a group of stars that form a picture
  • a single star that shines brightly
What is a crater?
  • a hill in the ground that forms a bump
  • a bowl-shaped hole in the ground
  • a mountain found on the Moon
  • a hole in the ground that goes all the way through
What is a phase of the Moon?
  • how the Moon orbits the Earth
  • the shape of the dark part of the Moon
  • how the Moon spins around its axis
  • the shape of the lit part of the Moon
What is a solar system?
  • the stars, planets, and other objects that move around the Moon
  • the planets, moons, and other objects that move around the Sun
  • only the Earth and the Sun
  • the Sun
What is a planet?
  • a large, round object that travels around the Earth
  • a very small object that travels around the Earth
  • a large, round object that travels around the Sun
  • a very small object that travels around the Sun

When your part of the Earth faces the Sun, it is _____ where you live.

  • nighttime
  • daytime
  • summer
  • winter
Earth’s axis is tilted, which causes
  • sunset
  • the Moon
  • day and night
  • the seasons