Space Objects
Movement in Space
Earth's Motion
Seasons
Models
100
What is Earth's star
Sun
100
What is the term for an "Earth-Centered" model of our solar system?
Geocentric
100
How long does it take Earth to make one full rotation?
24 hours
100
What causes seasons?
Earth is tilted as it revolves around the sun
100
How much is Earth tilted
23.5o
200
Name one constellation
Answers may vary
200
What does Heliocentric mean?
Sun-centered model
200
The imaginary line that passes through the North pole, the center of Earth, and out the South pole
Axis
200
If it is winter in the Northern Hemisphere, what season is it in the Southern Hemisphere?
Summer
200
Which position would represent the sun's altitude in summer?
Position 1
300
A cold mixture of dust and ice that forms a long glowing tail as it gets closer to the sun
Comet
300
The planets in our solar system orbit what object?
The sun
300
What is it called when Earth spins around it's own axis?
Rotation
300
When is Earth closest to the Sun?
Winter/January
300
Label 1 and 2 with the seasons they would represent
1.Summer
2. Winter
400
A streak of light produced when a small piece or rock or ice burns up as it enters Earth's atmosphere
Meteor
400
A pattern or group of stars that people imagine represent a person, object or animal
Constellation
400
the movement of one object around another
revolution
400
Why does the sun shine more directly on Earth's Northern Hemisphere during the summer?
The Northern Hemisphere is tilted towards the sun
400
What season would we (NH) be experiencing in point A?
Summer
500
a body that orbits a planet
satellite
500
Why do the constellations we see change every season?
As Earth moves around the Sun, our nighttime view of space changes throughout the year
500
How long does it take Earth to make one complete revolution?
365 days
500
If Earth is closet to the sun in winter, why is winter colder in places like Iowa?
The northern hemisphere receives less direct sunlight because the angle of sunlight (more spread out= less concentrated) and shorter daylight hours
500
Point D would represent what day (equal lengths of night and day)?
Spring Equinox