Rebekkah Gresh
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Venus

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Rebekkah Gresh
Created by Rebekkah Gresh over 8 years ago
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Venus

Venus

Question 1 of 10

1

Venus is sometimes referred to as the "evening star" or the "morning star".

Select one of the following:

  • True
  • False

Explanation

Question 2 of 10

1

Which planet is Venus most similar to in diameter and mass?

Select one of the following:

  • Jupiter

  • Earth

  • Mars

  • Saturn

Explanation

Question 3 of 10

1

What is true about Venus' atmosphere?

Select one of the following:

  • It consists mostly of Carbon Dioxide (CO2), making up approximately 96% of the atmosphere.

  • The atmospheric pressure is 90% stronger than Earth's.

  • The atmosphere is extremely hot, due to an extreme or "runaway" greenhouse effect.

  • All of the above.

Explanation

Question 4 of 10

1

Because of Venus' thick atmosphere, night and day temperature only differ by a few degrees.

Select one of the following:

  • True
  • False

Explanation

Question 5 of 10

1

What is true about Venus' surface?

Select one of the following:

  • It experiences plate tectonics similarly to the Earth's, causing many long mountain ranges, large canyons, and volcanoes along edges of plate boundaries.

  • The surface of Venus is very different from Earth's. While it has many volcanoes, they did not form in a similar way to the Earth's volcanoes, suggesting that Venus' mantle does not experience convection.

  • The surface of Venus is mostly flat without any traces of volcanoes, mountains, or craters.

  • Venus' surface is mostly mountainous with many small crater impacts, though there is no trace of volcanoes.

Explanation

Question 6 of 10

1

What is unique about Venus' rotation?

Select one of the following:

  • Venus has a "retrograde spin", meaning it spins backwards on its axis in comparison to other terrestrial planets.

  • Venus rotates sideways on its axis.

  • Venus rotates quicker than any other planet in our solar system, given it the shortest day.

  • Due to "tidal locking" Venus' always has the same face pointed at the Sun.

Explanation

Question 7 of 10

1

Venus spins on its axis slower than any other planet in the Solar System, causing it to have extremely long days and nights.

Select one of the following:

  • True
  • False

Explanation

Question 8 of 10

1

At one point in time, Venus may have had liquid water, but what happened to it?

Select one of the following:

  • The water may have boiled away and sunlight broke down the H2O to allow hydrogen to escape.

  • The water froze due to the extreme cold Venus' experiencing during night.

  • The water became trapped in volcanic glass, causing "bubbles" in the rocks.

  • The water became trapped in cracks Venus' thick crust, so it is no longer present on the surface.

Explanation

Question 9 of 10

1

What caused Venus' weak magnetic field?

Select one of the following:

  • The interior of the planet is completely solid, making it impossible to generate anything but a residual magnetic field.

  • The interior of the planet lacks any iron, which is necessary to generate a magnetic field.

  • The dense atmosphere of the planet does not allow a magnetic field to form.

  • The slow rotation rate causes a the process for generating a magnetic field to weaken, causing a lack of a magnetic field.

Explanation

Question 10 of 10

1

What evidence is there that the surface of Venus was covered by giant flows of lava a few hundred million years ago?

Select one of the following:

  • The surface is still very hot.

  • The cracks present in the lava indicate its age.

  • Radioactive dating was used to determine when it cooled.

  • There are relatively few impact craters on Venus' surface.

Explanation

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