Save
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account. Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Science Chapter 1

TermDefinition
astronomy study of stars, planets, moons, and other figures in space
axis an imaginary line through north and south poles, that a planet rotates on
rotation the spinning motion on a planets axis
revolution the movement of one object around another
orbit planets' path around the sun
calender an organized system of time
solstice the two days in a year when Earth's axis is farthest north or south of the equator
equinox it is when the afternoon's sun it directly over the equator which causes equal day and night
force a push or pull
gravity attracts all objects toward each other
law of universal gravitation every object in the universe attracts toward every other object
mass amount of matter in an object
weight the force of gravity on an object
inertia the tendency to resist changing direction
newton's first law of motion an object at rest will stay at rest an object in motion will stay in motion unless acted upon another force
phases the different shapes you see of the moon on Earth
eclipse when an object passes between the sun and another object, blocking the sunlight and casting a shadow
solar eclipse when the moon's shadow hits Earth
penumbra darkest part of a shadow
lunar eclipse when Earth is directly between the sun and the moon
umbra lightest part of a shadow
tides rise and fall of water in 12.5 hours
spring tides the highest high tide and the lowest low tide
neap the lowest high tide and the highest low tide
telescope a device built to observe distant objects to make them seem closer
maria dark, flat areas
craters large round pits
meteoroids chunks of rock or dust from space
Created by: Brae K
Popular Science sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards