Vocabulary
A force of attraction between two objects
Gravity
What are the 3 layers of the sun's atmosphere?
Photosphere, chromosphere, corona
Gravity of Earth is pulling us where?
To Earth's center
It takes ______________ for earth to make one rotation.
1 day = 24 hours
There are ___ phases of the moon.
8
Imaginary line that goes through the center of an object
axis
How do we measure distance in space?
In light years (the distance light travels in one year.)
A tissue falls slower because of _____. If there was none, the objects would fall at the same rate.
air
It takes ________ for Earth to make one revolution.
1 year= 365 days
If the moon is in a waxing phase, __________
The amount of light is increasing from the right
The spinning of an object on its axis
rotation
The brightness we see of stars from Earth depends on what?
The distance
Everything on Earth is affected by Earth's gravity because Earth has more
mass
The sun rises in the _______ and sets in the _______.
east, west
If the moon is in a waning phase, ____________
The amount of dark is increasing from the right.
How many stars are in our solar system?
1- The sun is our only star
__________ were set up so that the sun rises and sets around the same local time throughout the world.
Time zones
Why does the moon appear to be lit up in the night sky?
The sun's light is reflecting off of half of the moon at any time
An academic vocabulary term. To put forth strength or effort.
exert
Stars that are hotter look _________
Brighter
Earth's tilt and revolution affect how much direct sunlight different places on Earth receive at different times of the year which causes _______.
The seasons
Constellation maps show that different stars are visible ________
At different times of the year