Worksheets4-Nebular theory/ Solar System
Total questions: 24
Worksheet time: 15mins
Name
Class
Date
1.
Nebulae are primarily composed of what element?
a)
Hydrogen
b)
Helium
c)
Other hard elements
d)
Zinc
2.
Nebula's are mixtures of gases and what?
a)
clouds
b)
stars
c)
tiny particles
d)
dust
3.
The ______is between the orbits of Mars & Jupiter.
a)
solar system
b)
asteroid belt
c)
terrestrial planets
d)
photosphere
4.
A force of attraction between any two objects is called _____________.
a)
static electricity
b)
rotation
c)
gravity
d)
orbit
5.
What do the first four outer planets have in common?
a)
They are much larger than Earth and are made mainly of Hydrogen and Helium
b)
The are about the same size as Earth and are mostly made of Hydrogen and Helium
c)
They are must larger than Earth and are mainly made of iron
d)
They are the same size as Earth and are mainly made of iron
6.
A giant sphere of glowing gases is a ___________
a)
Galaxy
b)
Light-year
c)
Star
d)
Magnitude
7.
Mercury, Venus, Earth and Jupiter are the inner planets
a)
True
b)
False
8.
The __________ has planets, moons, comets, and asteroids.
a)
solar system
b)
earth
c)
rotation
d)
United States
9.
Earth and the other planets closest to the Sun are made mostly of _______
a)
gas
b)
metal
c)
water
d)
rock
10.
What is the smallest terrestrial planet?
a)
Mars
b)
Venus
c)
Mercury
d)
Earth
11.
Planets revolve around the sun.
a)
True
b)
False
12.
The sun is a planet.
a)
True
b)
False
13.
How many planets are there?
a)
4
b)
9
c)
8
d)
10
14.
How many planets away from our sun is Earth?
a)
1
b)
2
c)
3
d)
4
15.
the planets of the solar system formed as
a)
the center of the gas cloud cooled
b)
planetesimals flattened into a rotating disk
c)
planetesimals collided into one another
d)
the sun absorbed extra gas and dust from the solar system
16.
The reason the collapsed cloud spins faster as it contracts
a)
gravity
b)
centripetal force
c)
acceleration
d)
temperature
17.
How long ago was our sun formed?
a)
10 million years ago
b)
5 million years ago
c)
4.5 billion years ago
d)
2 billion years ago
18.
What force acted on the massive nebula to collapse it and eventually form our sun?
a)
electrostatic force
b)
strong force
c)
weak force
d)
gravity
19.
What is the nebular hypothesis?
a)
Prediction about how the universe was formed
b)
Prediction of how the moon was formed
c)
Prediction of how comets were formed
d)
Prediction of how the Solar System was formed
20.
A cloud of gas and dust from which bodies in space are formed
a)
photosphere
b)
nebula
c)
solar flare
d)
Sunspot
21.
What is a small body from which a planet originated in the early stages of development of the solar system called?
a)
inertia
b)
planetesimal
c)
terrestrial planet
d)
gas giant
22.
We know that Earth did not originally have any water because...
a)
Earth was too hot to hold onto water.
b)
Earth was too dry to soak up water
c)
Earth's magnetic field was too active to hold onto water.
d)
Earth was too small to hold onto water.
23.
The moon probably formed when...
a)
A piece of the Earth broke off due to it's fast rotation
b)
A Mars-sized object rammed into the Earth
c)
Earth captured the moon gravitationally as it attempted to pass by.
d)
the molten bubble of the Earth budded.
24.
the process that provides the sun with its energy
a)
solar flare
b)
Photosphere
c)
radiative zone
d)
nuclear fusion
100 %
