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Space

QuestionAnswer
Force A push or pull that makes an object move, stop, or change direction
Rotation Planetary motion on a planet's own axis
Inertia The tendency of an object to remain in motion or stay at rest until a force is acted on it
Revolution A planet's motion around the sun
Gravity The force that pulls things toward the center of the Earth and keeps them from floating away
Constellation A group of stars that form a picture in the sky
What does it mean that gravitational force is exerted on Earth is "down"? The gravitational pull causes objects to be pulled toward the center of the Earth
What events prove that Earth is always moving? How? **Know at least 2! *Day and Night - Day and night are caused by the rotation of the Earth on its axis. When we have night, the other side of the Earth has day. *Shadows - Our shadows change length and direction based on where the sun is in relation to us as Earth rotates.
What events prove that Earth is always moving? How? **Know at least 2! *Seasons - As the Earth revolves around the sun, the tilt of the Earth causes us to have different seasons. For example when we have Summer, it is because we are tilted toward the Sun. *1 year *Constellations and planet viewing *Phases of the moon
Apparent Magnitude Brightness of a star as it appears to us from Earth. Stars in the night sky appear to be dim/small due to how far away they are. The sun appears so bright to us because it's close to us.
Absolute Magnitude Actual brightness of a star. Stars in the night sky are absolutely bright but just far away.
What does your shadow look like at 7:00am? (3 parts: you, the sun, your shadow)
Your basketball & Earth both have a gravitational attraction to each other. Why does the basketball get pulled back to Earth, and Earth doesn't get pulled to the ball? The basketball has less mass than the Earth does.
Created by: adunc
 

 



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