Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/15

Click to flip

15 Cards in this Set

  • Front
  • Back
ellipse
An elongated circle, or oval shape; the shape of the planets’ orbits.
geocentric
a description of the solar systemin which all of the plants revolve around the earth
inertia
the tendency of a moving object to continue in a strait line or a stationary object o remain in place
heliocentric
a description in which the solar system in which all of the plants revolve around the sun
core
the centrel part of the sun, where nuclear fusion occours
nuclear fusion
the process by which hydrogen atoms join together to form helium , releasing energy
corona
the outer layer of the earths atmosphere
photosphere
the inner layaer of the suns atmosphere
chromosphere
the middle layer of the suns atmosphere
solar wind
solar wind
sunspot
a dark area of gas on the sun that is cooler than the surrounding gases
prominence
a loop of gas that protudes from the suns surface, linking parts of the sunspot region
solar flare
an explosion of hydrogen gas from the suns surface that occour when loops in sunspot regions suddenly contact
greenhouse effect
the trapping of heat by a planets atmosphere
terrestrial plants
the name given to the four inner planets; mercury, veus, earth, mars