Vocabulary
What does rotation mean?
Spinning in place
A group of stars that make a shape are called _____________________.
Other than from the sun, how else can shadows be created?
lights, lamps, flashlights (other light sources)
What are moon phases?
The different ways the moon appears to be over time (how much light is shown on the moon)
Day and night are caused by this
Earth's rotation
What does orbit mean?
Circling around something
What star is at the center of our solar system?
the sun
What are shadows?
Darkness that is reflected when an object blocks the sun
The moon _______________ the earth.
orbits
The ______________ of the Earth is the reason for the seasons
Tilt
The earth ________________ on its axis. The earth _______________ around the sun.
rotates, orbits
What is the brightest star that we know of?
Betelgeuse
Shadows appear longest during which parts of day?
Morning and evening
Where does the moon get its light from?
The sun reflects light on it
If it is winter in the Northern hemisphere, what season is it in the Southern hemisphere?
summer
What does absolute magnitude mean?
How bright a star actually is when it is measured
The sun appears to be the brightest and biggest star because is has a high _________________________.
apparent magnitude
How can the sun be used to tell time?
The Sun rises in the east and sets in the west. If the Sun is in the eastern sky, it is morning. If the Sun is directly overhead, it is around noon. If the Sun is in the western sky, it is afternoon. When the Sun is low in the western sky, it is evening.
What causes moon phases to change over time?
The moon's orbit around the earth
How long does it take for the Earth to complete one full rotation?
24 hours or 1 day
What does apparent magnitude mean?
How bright a star appears to be
The actual brightness of a star when it is measured is called __________________________.
absolute magnitude
Earth's rotation causes the sun to shine from different angles in the sky
When the moon changes its phases, which side is the side you notice the pattern of change?
The right hand side of the moon. If the right hand side starts to disappear the moon is waning, if the right hand side starts to increase it is waxing.
How long does it take the Earth to complete one full revolution around the sun?
365 and 1/4 days or 1 full year.