Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
15 Cards in this Set
- Front
- Back
|
Mass
|
The amount of matter in the object
|
|
|
Weight
|
The measure of the pull of gravity on an object
|
|
|
Gravity
|
An attractive force between all matter. Amount of the force depends on size of the objects and distance between them
|
|
|
High tide
|
The water bulges due to the gravitational pull of the moon. Happens at different times each day
|
|
|
Low tide
|
The time when the tide is at it's lowest level
|
|
|
Spring tide
|
They occur when the earth,sun,and the moon are in line. Occur during full moon and new moon
|
|
|
Neap tide
|
Weak tides that occur when the sun,moon,and earth from a 90 degree angle. This happens during the quarter moons
|
|
|
Galaxy
|
A large number of stars,gas,and dust held together by gravity
|
|
|
Solar system
|
The sun and all the things orbiting around it.
|
|
|
Universe
|
Space and all of the matter and energy in it.
|
|
|
Milky way
|
The galaxy we live in. It's a spiral galaxy
|
|
|
Spiral galaxies
|
Galaxies that have long arms winding toward a bright bulge at the center.
|
|
|
Irregular galaxies
|
These galaxies do not have a lot of common features and no identifiable form
|
|
|
Planet
|
Clear smaller objects out of its orbit by pulling then in or flinging them away
|
|
|
Elliptical galaxies
|
Galaxies that have an elliptical shape. The shapes range from circular to long,narrow,and cigar shaped
|
