Solar System

Patty L.
8 words 1 learner

Learn words with Flashcards and other activities

Definition First
Print Flashcards

Other learning activities

Answer a few questions about each word. Use this to prep for your next quiz! Compete with other teams in real time to see who answers the most questions correctly! Test your spelling acumen. Read the definition, listen to the word and try spelling it!

Teaching tools

Create and assign quizzes to your students to test their vocabulary. Assign learning activities including Practice, Vocabulary Jams and Spelling Bees to your students, and monitor their progress in real-time.

Full list of words from this list:

words only definitions & notes
  1. gravitational force
    the force of attraction between all masses in the universe
    To have an atmosphere, a planet must have a gravitational force strong enough to hold it there.
  2. life form
    the characteristic bodily form of a mature organism
    This mixture also provides us with the oxygen that most life forms need.
  3. kilometer
    a metric unit of length equal to 1000 meters
    It rises 600 kilometers above Earth into space.
  4. atmosphere
    the envelope of gases surrounding any celestial body
    Another unique condition that allows life to thrive on Earth is the presence and composition of the atmosphere.
  5. planet
    a celestial body that revolves around the sun
    To have an atmosphere, a planet must have a gravitational force strong enough to hold it there.
  6. gas
    state of matter distinguished from solid and liquid states
    The atmosphere is all of the air and gases that surround Earth.
  7. air
    a mixture of gases required for breathing
    The atmosphere is all of the air and gases that surround Earth.
  8. life
    the organic phenomenon that distinguishes living organisms
    Another unique condition that allows life to thrive on Earth is the presence and composition of the atmosphere.
Created on Thu Mar 28 16:24:13 EDT 2013

Sign up now (it’s free!)

Whether you’re a teacher or a learner, Vocabulary.com can put you or your class on the path to systematic vocabulary improvement.