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Universe Vocab

Total questions: 42

Worksheet time: 35mins

Name
Class
Date
1.

a system of millions or billions of stars, together with gas and dust, held together by gravitational attraction.

a)

galaxy

b)

solar system

c)

universe

d)

planet

2.

a unit of astronomical distance equivalent to the distance that light travels in one year, which is 9.4607 × 1012 km (nearly 6 trillion miles).

a)

light year

b)

light minute

c)

light day

d)

speed

3.

What is the definition of SATELLITE?

a)

The point at which the sun is at maximum on one hemisphere and minimum on another; indicates the beginning of winter or summer.

b)

A natural or artificial body that revolves around a planet.

c)

A force of attraction between objects that is due to their masses.

d)

The motion of a body that travels around another body in space; one complete trip along an orbit.

4.

What motion causes day/night?

a)

Rotation

b)

Revolution

c)

Tilt

d)

Orbit

5.

Axis

a)

person who studies space and the universe beyond Earth's atmosphere.

b)

an invisible line around which an object spins.

c)

imaginary line around the Earth, another planet, or star running east-west, 0 degrees latitude.

6.

Tilt

a)

angle between an object's axis of rotation and its orbital axis, perpendicular to the orbital plane. Earth's axial tilt is about 23.5 degrees.

b)

an invisible line around which an object spins.

c)

to turn around a center point or axis.

7.
Why is the Equator warmest?
a)
Because it is closest to the sun.
b)
Because it receives the most direct sunlight
c)
Because no clouds form here.
d)
Because it is far from the sun
8.

Hemisphere

a)

Imaginary circle drawn around the Earth that divides it into two equal halves called hemispheres.

b)

imaginary line around the Earth, another planet, or star running east-west, 0 degrees latitude.

c)

period of the year distinguished by special climatic conditions.

9.

New Moon

a)
b)
c)
d)
10.

Full Moon

a)
b)
c)
d)
11.

Waning Gibbous

a)
b)
c)
d)
12.

First Quarter

a)
b)
c)
d)
13.

Last Quarter or 3rd Quarter

a)
b)
c)
d)
14.

Waxing Gibbous

a)
b)
c)
d)
15.

Waxing Crescent

a)
b)
c)
d)
16.

Waning Crescent

a)
b)
c)
d)
17.

Look at the diagram of phases of the Moon. What phase does Day 14 represent?

a)

waxing moon

b)

new moon

c)

full moon

d)

waning moon

18.

About how long does it take for the moon to go from new moon to full moon?

a)

1 day

b)

7 days

c)

14 days

d)

1 month

19.

What causes the Earth's seasons?

a)

the imaginary line passing through the center of the planet

b)

spinning of a planet, moon or sun around its axis

c)

Earth's shape, Earth's tilt on its axis along with it's orbital path

d)

how close the Earth is to the sun

20.
How many phases does the moon go through?
a)
4
b)
8
c)
10
d)
16
21.
What part of the moon do we see from Earth?
a)
all of it
b)
the same side
c)
none of it
d)
only one quarter
22.
The moon seems to change shape from day to day in a cycle that lasts about a month as it goes through _.
a)
revolutions
b)
phases
c)
rotations
d)
eclipses
23.
As the moon's shape appears to get smaller, we say that the moon is _.
a)
swelling
b)
waxing
c)
waning
d)
disappearing
24.
Phases of the moon in which the moon appears to be getting larger are referred to as _.
a)
waxing
b)
waning
c)
new
d)
eclipse
25.
What is illuminating the Moon?
a)
Nuclear Fusion
b)
Sunlight
c)
Mirrors
d)
Flood Lights
26.
The moon ____________ or goes around the Earth.
a)
orbits
b)
cries
c)
climbs
27.
Changes in the moon's appearance are
a)
phases
b)
eclipses
c)
stages
d)
cycle
28.

What is Earth's revolution?

a)

The Earth spins on its own axis.

b)

The Earth movement around the sun on its orbit.

c)

The Earth movement around the sun on its axis.

d)

The Earth spins on its own orbit.

29.

A solstice event occurs when

a)

the sun's rays reach their highest or lowest point in respect to the equator

b)

the sun's rays shine most directly at the equator

c)

the Earth has it's longest period of daylight hours

30.

An equinox occurs when

a)

The sun's rays reach their highest or lowest point in respect to the equator

b)

The sun's rays shine most directly on the equator

c)

The Earth experiences the greatest period of daylight hours

31.

The difference between the levels of ocean water at high tide and low tide.

a)

Tide

b)

Spring Tide

c)

Neap Tide

d)

Tidal Range

32.

Tides that have the largest daily tidal range and happen when the sun, moon, and Earth form a straight line.

a)

Spring Tide

b)

Tide

c)

Neap Tide

d)

Tidal Range

33.

Tides that have the smallest daily tidal range. These happen when the sun, Earth, and moon form a 90 degree angle.

a)

Tidal Range

b)

Neap Tide

c)

Spring Tide

d)

Tidal Wave

34.
The category that contains the most stars is...
a)
Main Sequence
b)
Supergiants
c)
Giants
35.

Which of the following star types is LEAST BRIGHT?

a)

Supergiant

b)

Giant

c)

Main Sequence

d)

White Dwarf

36.

Which is the stage where a massive star

explodes and releases a lot of energy?

a)

Red supergiant

b)

Supernova

c)

Black hole

d)

Main sequence

37.

A big cloud of dust and gas where all

stars begin their life cycle is called a

a)

solar system

b)

universe

c)

galaxy

d)

nebula

38.

During which phase does the core of a

massive star have so much gravity that

even light can’t escape?

a)

Supernova

b)

Black hole

c)

White dwarf

d)

Neutron star

39.

The brightness of a star as seen from earth

a)

Apparent magnitude

b)

Awesome magnitude

c)

Absolute magnitude

d)

Amazing magnitude

40.

Brightness determined by DISTANCE from the earth

a)

Amazing magnitude

b)

Absolute magnitude

c)

Apparent magnitude

d)

Awesome magnitude

41.

If something that makes light is moving away from you, it spreads the wavelengths of light out. This application of the Doppler effect is known as ___.

a)

blue shift

b)

green shift

c)

red shift

d)

black shift

42.

A galaxy showing blue shift is ___.

a)

very cold

b)

moving towards us

c)

dying

d)

about to supernova

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