Vocab
A ball of fire and gas is.....
A star
Imaginary Line that runs through the center of the Earth...
Axis
Earth has how many moons?
1 (one)
The sun rises in the _____ and sets in the _____.
East & West
How many stars are in our Solar System?
1 (one)
How big an object is....
Magnitude
The distance light travels in 1 year is a...
Light Year
How long does it take for Earth to make one complete rotation?
24 hours
Shadows are the longest in the...
Morning
A recognizable group of stars is a...
Constellation
An instrument used to show time by the shadow of the pointer...
A sundial
How Bright a star appears to be from Earth
Apparent Brightness
How long does it take for Earth to complete one revolution?
365 Days
The number of daylight hours is more during which season?
Summer
What "planet" is no longer a planet?
Pluto
The area around a star where it is not too hot or too cold for liquid to exist...
Habitable Zone
The true brightness of a star is the...
Luminosity
What evidence proves that the Earth rotates on its axis?
The reason that we have day & night.
It seems like the sun is moving across the sky but what is actually happening?
The sun is rotating on its axis, making it look like the sun is moving but actually Earth is.
What is Gravity?
Force pushing down on an object. Answers may vary.
The motion of the Earth moving around the Sun...
Revolution
Spinning of Earth on its axis...
Rotation
What evidence proves that the Earth revolves around the sun?
The change in seasons OR the change of constellations.
Why does distance affect star brightness?
The further away it is, the dimmer it is. The closer it is, the brighter it is. This also depends on the size of the star.
List all of the planets in order starting with the sun.
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.