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

astronomy

a study of things in space

axis

an imaginary line that passes through Earth's center

calendar

a document of days, weeks, months, and years

equinox

the two days of the year on which neither hemisphere is pointed towards or away from the sun

force

a push or pull exerted onto an object

gravity

the attractive force between objects

inertia

the tendency of an object to resist a change in motion

law of universal gravitation

the scientific law that states that every object in the universe attracts every other object

mass

the amount of matter in an object

Newton's first law of motion

the scientific law that states that an object at rest will stay at rest and a object in motion will stay in motion unless acted upon by a force

orbit

the path of an object as it revolves around another object

revolution

the movement of an object around another object

rotation

the spinning motion of a planet on its axis

solstice

the two days of the year on which the sun reaches its greatest distance north or south of the equator

weight

the force of gravity on an object