Exploring Space
Practice Test
1.
What additional question are scientists exploring about the Moon?
a.
Does the Moon have an atmosphere?
b.
Is the Moon habitable?
c.
Can we harvest soil from the Moon?
d.
Does water exist in the craters of the Moon's poles?
Hint
2.
The destination of the space probe
Cassini
is __________.
a.
Pluto
b.
Jupiter
c.
Saturn
d.
Uranus
Hint
3.
The use of adaptive optics integrates a dependence on __________.
a.
mirrors
b.
lasers
c.
computers
d.
lenses
Hint
4.
What is the name of the cooperative space station now being built?
a.
Skylab
b.
International Space Station
c.
Mir
d.
Soyuz
Hint
5.
What does it mean to talk about the frequency of electromagnetic radiation?
a.
the number of times a wave vibrates per unit of time
b.
the distance a line travels in a certain amount of time
c.
the distance waves travel in a certain amount of time
d.
the number of times a wave moves per unit of sound
Hint
6.
Which planet did
Galileo
explore before it was crushed by its atmosphere?
a.
Saturn
b.
Mars
c.
Jupiter
d.
Uranus
Hint
7.
What is the difference between refracting and reflecting telescopes?
a.
There is no difference.
b.
A reflecting telescope uses a convex lens to magnify an image, and a refracting telescope uses a mirror.
c.
A refracting telescope uses a mirror, and a reflecting telescope uses a concave lens to magnify an image.
d.
A refracting telescope uses a convex lens to magnify an image, and a reflecting telescope uses a mirror.
Hint
8.
Which missions to Mars ended in failure?
a.
Mars Global Surveyor
and
Polar Lander
b.
Mars Climate Orbiter
and
Pathfinder
c.
Sojourner
and
Pathfinder
d.
Mars Climate Orbiter
and
Polar Lander
Hint
9.
What did NASA administrators particularly like about the space shuttle?
a.
Many countries would chip in, so it would cost less.
b.
It would be more accurate, bring back more data, and it would be more cost effective.
c.
It would be cheaper to make, so it would cost less.
d.
It would be reusable, so it would cost less.
Hint
10.
What form of energy is light that is emitted from stars?
a.
radiation
b.
convection
c.
conduction
d.
thermal
Hint
11.
Why are rockets ideal for exploring space?
a.
They can gather lots data.
b.
They are inexpensive.
c.
They are retrievable.
d.
They don't need air.
Hint
12.
Why can't astronauts hear each other in space without the use of a microphone?
a.
because there's no such thing as sound in space
b.
because sound waves can't travel in space, far from Earth
c.
because sound waves can't travel through empty space
d.
because outer space alters the astronaut's hearing
Hint
13.
What distinguishes the two types of rockets from each other?
a.
the type of fuel they use
b.
the parts of space they explore
c.
the way they are designed
d.
their uses
Hint
14.
What is the purpose of the New Millennium Program?
a.
to develop technology that will create more jobs on Earth
b.
to create satellites to spy on other nations
c.
to create technology faster than other nations
d.
to develop advanced technology that will let NASA send smart spacecraft into the solar system
Hint
15.
Why are radio telescopes considered to be dependable telescopes?
a.
because they never run out of energy
b.
because they use radios to help various telescope's computers communicate with each other
c.
because they use radio waves, which do not pass freely through Earth's atmosphere due to unpredictable weather
d.
because they use radio waves, which pass freely through Earth's atmosphere in any weather condition
Hint
16.
Which U.S. project was the first to land a human on the Moon?
a.
Project Mercury
b.
Project Surveyor
c.
Project Apollo
d.
Project Gemini
Hint
17.
A modern application for a satellite is for __________.
a.
gathering pictures of Earth's surface
b.
gathering scientific data
c.
all answers are correct
d.
transmitting radio and television signals
Hint
18.
When is the new space station expected to be operational?
a.
2000
b.
2005
c.
2020
d.
It's operational now.
Hint
19.
The uses of active optics integrates a dependence on __________.
a.
weather conditions
b.
computers
c.
mirrors
d.
lenses
Hint
20.
Space probes, unlike satellites, are able to __________.
a.
go into orbit
b.
gather data
c.
travel out of the solar system
d.
be retrieved
Hint
