WorksheetsExploring the Universe
Total questions: 32
Worksheet time: 16mins
Name
Class
Date
1.
______is the third planet from the Sun.
a)
Venus
b)
Mars
c)
Mercury
d)
Earth
2.
Mercury is the _______planet from the Sun.
a)
first
b)
third
c)
second
d)
fourth
3.
The coolest stars in the sky are_______in color.
a)
white
b)
yellow
c)
red
d)
blue
4.
Which of the inner planets have no atmosphere?
a)
Mercury
b)
Venus
c)
Mars
d)
Both A and C are correct
5.
_______is the largest planet in the solar system, is the fifth planet from the Sun, and has colorful clouds.
a)
Saturn
b)
Jupiter
c)
Uranus
d)
Neptune
6.
The outer planets are mainly composed of which of the following?
a)
helium and oxygen
b)
nitrogen and helium
c)
hydrogen and helium
d)
hydrogen and oxygen
7.
The order of the inner planets outward from the Sun is_______________.
a)
Mercury, Venus, Earth, and Mars
b)
Mercury, Earth, Venus, and Mars
c)
Earth, Venus, Mars, and Mercury
d)
Mars, Venus, Earth, and Mercury
8.
Where do stars form?
a)
in an empty section of space.
b)
in a supernova
c)
in a cloud of gas and dust called a nebula
d)
When existing stars spilt in half
9.
This planet has no atmosphere.
a)
Mercury
b)
Saturn
c)
Jupiter
d)
Mars
10.
What is the basic astronomical unit based on?
a)
The distance Mercury, the closest planet, is from the Sun.
b)
The distance Earth, the planet the scientist live on, is from the Sun.
c)
The distance Neptune, the furthest planet, is from the Sun.
d)
1, 000, 000, 000 km
11.
In astronomical units, about how much farther is Saturn from the Sun than Jupiter is? Note
Saturn 9.58AU
Jupiter 5.20AU -
_______________
Saturn 9.58AU
Jupiter 5.20AU -
_______________
a)
2 AU
b)
4.38 AU
c)
5.2 AU
d)
655,000,000 AU
12.
The hottest stars is space are _______in color.
a)
white
b)
blue
c)
yellow
d)
red
13.
Which of the following is NOT a dwarf planet?
a)
Haumea
b)
Pluto
c)
Makemake
d)
Titan
14.
Which of the inner planets have atmospheres made up mostly of carbon dioxide?
a)
Earth
b)
Venus
c)
Mars
d)
Both B and C are correct.
15.
What is a black hole?
a)
a dense core of neutrons left from a supernova
b)
an object whose gravity is so great that no light can escape
c)
a hot, dense, slowly cooling sphere of carbon
d)
an enormous explosion that destroys a star
16.
A star begins as a _______, a large cloud of gas and dust.
a)
nebula
b)
dwarf
c)
giant
d)
black hole
17.
A measure of the amount of light received on Earth is a star's________.
a)
apparent magnitude
b)
absolute magnitude
c)
size
d)
position in space
18.
Although Mercury is closer to the Sun, why is Venus hotter?
a)
Venus has a dense atmosphere and greenhouse gases that cause it to retain heat energy it receives from the Sun.
b)
Mercury is too small to get very warm.
c)
Mercury has no atmosphere to hold the heat
d)
Both A and C are correct
19.
A measure of the amount of the light given off by a star is its_______.
a)
position in space
b)
apparent magnitude
c)
absolute magnitude
d)
size
20.
Two of the inner planets are________________.
a)
Mercury and Jupiter
b)
Venus and Saturn
c)
Mars and Venus
d)
Earth and Neptune
21.
Scientist Launch rockets from which of the following?
a)
Cape Canaveral Air Force Station
b)
Wright Patterson Air Force Base
c)
Kennedy Space Center
d)
Both Cape Canaveral and Kennedy
22.
Rockets are used for which purpose?
a)
Overcome the force of Earth's gravity
b)
orbit Earth to collect weather data
c)
Provide a place for astronauts to live
d)
manage space missions
23.
How are satellites used?
a)
to gather military information
b)
to transmit television signals
c)
to monitor weather
d)
all of the above
24.
How do space probes relay messages to Earth?
a)
over the Internet
b)
from onboard video recorders
c)
by radio waves
d)
from astronaut reports
25.
Which type of spacecraft is always manned?
a)
orbiter
b)
lander
c)
flyby
d)
shuttle
26.
The highest point of a rocket's flight is called the
a)
peak
b)
altitude
c)
apogee
d)
maximum
27.
Why are rockets ideal for exploring space?
a)
They don't need air from their surroundings to burn fuel
b)
They are inexpensive
c)
They are able to gather lots of data
d)
They are retrievable
28.
Space probes are useful for space exploration because
a)
They are cheaper to build and work automatically or by remote control
b)
They return t Earth to be used again
c)
They can make trips that are too long or too dangerous for humans
d)
They are both Cheaper to build and can make long trips
29.
What is true about solid and liquid fuel rockets?
a)
Liquid fuel rockets have a liquid fuel and liquid oxidizer (oxygen) that combine and ignite, and can have their thrust regulated. Solid fuel rockets have a solid form of fuel and oxidizer (oxygen) that are pre-mixed, but cannot have their thrust regulated.
b)
Liquid fuel rockets have a liquid fuel and liquid oxidizer (oxygen) that combine and ignite but cannot have their thrust regulated. Solid fuel rockets have a solid form of fuel and oxidizer (oxygen) that are pre-mixed, and can have their thrust regulated
c)
Both rocket types have a fuel and oxider, and both can have their thrust regulated
d)
Both rockets type have a fuel source, do not require oxidizers and cannot have their thrust regulated
30.
Earth's gravity holds a rocket down on the ground. What enables a rocket to lift off and fly into space?
a)
The thrust of the rocket is stronger than Earth's gravitational pull, so it moves upward.
b)
The thrust of the rocket is equal to Earth's gravitational pull, so it moves upward.
c)
The thrust of the rocket is weaker than Earth's gravitational pull, so it moves upward
d)
The rocket only lifts upward when Earth's gravitational pull weakens
31.
The nose cone, frame and fins of a rocket are all apart of what rocket system?
a)
propulsion system
b)
payload system
c)
guidance system
d)
structure system
32.
Telescopes, cameras and weather monitoring equipment are all apart of what rocket system?
a)
propulsion system
b)
payload system
c)
guidance system
d)
structure system
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