Layers of the Earth
Density
Latitude / Longitude
Polaris
Time Zones
100
The actual shape of the Earth
oblate sphere
100
What is the density of an object with a mass of 50g and a volume of 10 cm3?
5 g/cm3
100
Lines of latitude range from 0 to ______ degrees
90 degrees
100
A student is viewing Polaris at an altitude of 50 degrees. What is their approximate latitude?
50 N
100
1 hour is equal to how many degrees longitude?
15 degrees
200
The most dense layer of the Earth
inner core
200
Typically, as you increase temperature, what happens to density?
Decrease
200
Lines of longitude measure _______ to ________ of the prime meridian
east to west
200
Polaris can only be seen in the which hemishere?
North
200
It is noon on the prime meridian. What time is it at 45 degrees West?
9:00 am
300
What is the Earth's interior temperature at a depth of 2500km?
4500 C
300
An object has a density of 1.5 g/cm3. When placed in water, will this object sink or float?
Sink
300
To the nearest minute, what is the latitude and longitude of Buffalo, NY?
42 50' N, 78 55' W
300
A student is located at 67 degrees North. At what altitude would they observe polaris?
67 degrees
300
It is noon on the prime meridian. What time is it at 60 degrees East
3:00 pm
400
These two elements make up the inner core of the Earth
Iron and nickel
400
An object with a density of 1.6 g/cm3 is cut in half. What is the density of each half?
1.6 g/cm3
400
What city is located at 45 N, 74 55' W?
Massena, NY
400
What is the observers latitude?
66.5 N
400
What is the time difference between a point at 15 degrees W longitude and 105 degrees W longitude
6 hours
500
Earth separates into layers due to differences in _____________
density
500
A particular sample of liquid water has a volume of 25 mL. What is the mass?
25 g
500
What is the latitude and longitude of Oswego, NY?
43 30' N, 76 30'W
500
A sailor is traveling and is tracking polaris as a navigation tool. He notices that polaris appears to move from an altitude of 68 degrees to 45 degrees. What compass direction is he travelling?
South
500
It is 2:00 pm at 15 degrees W. What time is it at 90 degrees W?
9:00 am