Vocabulary
What is another name for the melted rock that comes out of a volcano?
What gives Venus its mountainous features?
Volcanoes and Lava
True or false: Venus cools down at night.
False
Which is longer? A day on Venus or a year?
A day
When Venus' phase looks like a little sliver, we call that shape a ____________.
Crescent
The chemical that Venus' clouds and atmosphere is made of.
Sulfuric acid
Is Venus terrestrial or gaseous?
Terrestrial
True or false: Venus is the second hottest planet in the solar system.
False. It's the hottest!
Why did astronomers used to think that Venus was Earth's twin?
Because it's about the same size, and right next to the earth.
When Venus looks completely dark, what does that mean about its phase?
That side is turned away from the sun - Venus is between the sun and the earth.
What is the "Big Bang"?
The belief that all the planets were formed out of a big explosion
Which spacecraft was the first to go to Venus?
What makes Venus so hot?
How many earth days does it take for Venus to revolve once around the sun?
225 earth days
When Venus is behind the sun, how would we see it here on earth?
It looks like it's shining.
What is radar?
a special tool that uses signals to find things far away
How have spacecraft gathered information on Venus?
By radar
Why is there no ash on Venus?
Because there is nothing living to burn
How many earth days does it take for Venus to make a complete rotation?
243 earth days
When are the two best times to see Venus?
-before the sun rises
-after the sun sets
What do we call the different shapes of the same planet that we can see in the sky?
Phases
About how many spacecraft have visited Venus?
40-47
How did Venus get its name?
From the Roman goddess of beauty because it shines so brightly
What is strange about Venus' rotation?
It rotates the opposite way that earth does, so its sunrises and sunsets are opposite of ours.
What is something we learn about God from our study of Venus?
(Student answers may vary)