WorksheetsExoplanet Lab Review
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
Which of the following is the best definition of an exoplanet?
a)
A planet within our solar system
b)
A planet that is rocky
c)
A planet that is a gas giant
d)
A planet that revolves around a star not in our solar system.
2.
How many planets are in our solar system?
a)
10
b)
7
c)
8
d)
15
3.
What formed the rocky planets in our solar system?
a)
Water
b)
Heavy Elements
c)
Gases
d)
Metals
4.
What formed the gas giants in our solar system?
a)
Hydrogen and Oxygen
b)
Nitrogen and Iron
c)
Hydrogen, Helium, & Metals
d)
Sodium and Chloride
5.
Where do you scientists look when trying to identify if an exoplanet exists?
a)
Around our moon
b)
Around our sun
c)
Around a star in another solar system
d)
Around a telescope
6.
What does it mean for a planet to be within a star's "habitable zone"?
a)
The planet has water
b)
The planet has high temperatures
c)
The planet can sustain life
d)
The planet is big
7.
According to the lab, what is the one common ingredient to all life on Earth?
a)
Oxygen
b)
Nitrogen
c)
Iron
d)
Water
8.
What is the average temperature on Earth?
a)
75 degrees celsius
b)
15 degrees celsius
c)
75 degrees fahrenheit
d)
15 degrees fahrenheit
9.
What is an orbital distance?
a)
The distance a planet is away from its star.
b)
The distance a planet travels around a star.
c)
The distance from a planet to its moon.
d)
The distance a spaceship must travel to get to a planet.
10.
What is an orbital period?
a)
The distance a planet is away from its star.
b)
The distance a planet travels around a star.
c)
The distance from a planet to its moon.
d)
The distance a spaceship must travel to get to a planet.
11.
If a star is considered a "blue" star, what does that say about the temperature of that star?
a)
It is very hot
b)
It is very cold
c)
It warm
d)
It is cool
12.
Where would the habitable zone for a blue star be located?
a)
Very close to the star
b)
About halfway of the orbital distance
c)
Very far away from the star
d)
Directly beside the star
13.
What two characteristics of a planet are needed to determine the density of the planet?
a)
Color & Shape
b)
Mass & Volume
c)
Area & Perimeter
d)
Atomosphere & Star Type
14.
Planets that have a high density are most likely composed of...
a)
water vapor, methane, and carbon dioxide
b)
nitrogen and helium
c)
water and rocks
d)
heavy elements such as iron and nickel.
15.
What gasses compose the greenhouse gasses?
a)
hydrogen and oxygen
b)
water vapor, methane, and carbon dioxide
c)
helium and nitrogen
d)
argon and neon
16.
All of the following are needed to determine the habitability of a planet EXCEPT...
a)
Orbital Period
b)
Star Type
c)
Density
d)
Average Temperature
17.
What is the invisible force that pulls all matter together?
a)
Orbital Period
b)
Velocity
c)
Gravity
d)
Transit Data
18.
What happens to the velocity of a planet when the orbital period decreases?
a)
The velocity decreases
b)
The velocity increases
c)
The velocity stays the same
19.
A planet with a smaller orbital period has a slower velocity.
a)
True
b)
False
20.
To determine what gases are present in a planet's atmosphere, scientists study how light from the planet's star is transmitted through the atmosphere.
a)
True
b)
False
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