Exploring Spheres and Location in Earth Science

This video is part of the Earth Science review series, focusing on unit two: spheres and location. It covers key quiz questions, including weight differences at the poles and equator due to Earth's oblate spheroid shape, atmospheric temperature zones, and the composition of the troposphere. The video also explains how to calculate time differences based on Earth's rotation and longitude, and provides a bonus question for additional practice.

How does the weight of a person at the equator compare to their weight at the North Pole?

• Slightly more at the equator

• Slightly less at the equator

• Significantly more at the equator

• The same at both locations

Which object best represents the shape of the Earth?

• A football

• A ping-pong ball

• A cube

• A cylinder

In which two temperature zones of the atmosphere does temperature increase with altitude?

• Troposphere and Mesosphere

• Mesosphere and Thermosphere

• Stratosphere and Thermosphere

• Troposphere and Stratosphere

What are the main components of the Earth's troposphere by volume?

• 50% Nitrogen, 50% Oxygen

• 21% Nitrogen, 78% Oxygen, 1% Other

• 60% Nitrogen, 30% Oxygen, 10% Other

• 78% Nitrogen, 21% Oxygen, 1% Other

How many hours does it take for stars to move through an arc of 120 degrees?

• 12 hours

• 10 hours

• 8 hours

• 6 hours

What is the maximum number of degrees for latitude and longitude?

• 90 degrees for both

• 180 degrees for both

• 90 degrees for latitude, 180 degrees for longitude

• 180 degrees for latitude, 90 degrees for longitude

Which ocean current is found at 40 degrees south and 77 degrees west?

• East Australian Current

• Kuroshio Current

• Peru Current

• Gulf Stream

What time is it in Greenwich, England when it is noon in Massena, New York?

• 3:00 PM

• 2:00 PM

• 4:00 PM

• 5:00 PM

What is the latitude of a ship if the altitude of Polaris is measured at 50 degrees?

• 50 degrees north

• 50 degrees south

• 40 degrees south

• 40 degrees north

If the sunrise in Utica is at 6:00 AM, what time will the sunrise occur in Denver?

• 7:00 AM

• 8:00 AM

• 4:00 AM

• 5:00 AM