June 2019 Questions: Multiple choice (1 -25)

The map below shows four major time zones of the United States. The locations of Boston and San Diego are shown. What is the time in Boston when it is 11 a.m. in San Diego?

• 8 a.m.

• 2 p.m.

• 3 p.m.

• noon

The diagram below represents the spectral lines from the light emitted from a mixture of two gaseous elements in a laboratory on Earth. If the same two elements were detected in a distant star that was moving away from Earth, how would the spectral lines appear?

• The entire set of spectral lines would shift toward the red end.

• The entire set of spectral lines would shift toward the blue end.

• The spectral lines of the shorter wavelengths would move closer together.

• The spectral lines of the longer wavelengths would move closer together.

The diagram below shows Earth in orbit around the Sun, and the Moon in orbit around Earth. M1 and M2 indicate positions of the Moon in its orbit where eclipses might be seen from Earth. Which table correctly matches each type of eclipse with the orbital position of the Moon and the cause of each eclipse?

• 
• 
• 
• 

The timeline below represents the entire geologic history of Earth. The lettered dots on the timeline represent events in Earth’s history. Which lettered dot best indicates the geologic time when humans first appeared on Earth?

• A

• B

• C

• D

Compared to our solar system, the universe is...

• younger, smaller, and contains fewer stars

• younger, larger, and contains more stars more stars

• older, smaller, and contains fewer stars

• older, larger, and contains more stars

Which motion allows an observer on Earth to view different constellations throughout the year?

• Earth orbiting the Sun

• constellations orbiting Earth

• Earth orbiting the constellations

• constellations orbiting the Sun

What is the approximate location of the Tasman Hot Spot in the Pacific Ocean?

• 36° N 160° W

• 36° S 160° E

• 160° N 36° W

• 160° S 36° E

Most ozone is found in a region of Earth’s atmosphere between 10 and 20 miles above Earth’s surface. This temperature zone of the atmosphere is known as the...

• thermosphere

• mesosphere

• stratosphere

• troposphere

The Coriolis effect, which causes the curving of planetary winds, is a direct result of the...

• distance between Earth and the Sun

• inclination of Earth’s axis

• orbiting of Earth around the Sun

• spinning of Earth on its axis

What is the dewpoint if the dry-bulb temperature is 18°C and the relative humidity is 64%?

• 14°C

• 11°C

• 9°C

• 4°C