Astronomy Unit 7: Venus Only

Which planet is the third brightest object in the sky as seen from Earth?

• Mars

• Jupiter

• Venus

• Saturn

Why is it difficult to observe Venus’s surface from Earth?

• It is too far away

• Its thick atmosphere blocks observations

• It does not reflect much sunlight

• It is too small to see

What is the main component of Venus’s atmosphere?

• Oxygen

• Hydrogen

• Carbon dioxide

• Methane

Why is Venus the hottest planet in the Solar System?

• It is closest to the Sun

• It has an extreme greenhouse effect

• It has active volcanoes that release heat

• It rotates very quickly

How does Venus rotate compared to Earth?

• It rotates in the same direction but faster

• It rotates in the same direction but slower

• It rotates in the opposite direction and very slowly

• It does not rotate

Venus’s high surface pressure is equivalent to:

• Being in Earth's stratosphere

• Being in a desert on Earth

• Being 1 km under Earth's ocean

• Being inside a deep cave

What is the term for a region where liquid water can exist on a planet’s surface?

• Inhabited Zone

• Greenhouse Zone

• Habitable Zone

• Oxygen Zone

Venus is the ​ (a)   planet in the Solar System because its thick atmosphere traps heat through the ​ (b)   effect.

• greenhouse
• sun's
• atmosphere
• hottest
• coldest

Which of the following is a key reason why Venus does not have liquid water?

• It is too far from the Sun

• Its thick clouds block sunlight

• It is too cold for water to stay liquid

• Its extreme greenhouse effect makes it too hot

Venus's atmosphere can be described as​ (a)   and mostly composed of ​ (b)  

• thick
• carbon dioxide
• thin
• nitrogen