When can we see the Moon?

Sometimes in the day and sometimes at night

Why do stars appear to move across the night sky?

the Earth is rotating on its axis

Why do we see different constellations in the sky during each season?

As Earth orbits the Sun, seasons change; dark side changes

Why can't we see stars during the day?

The light from the Sun is so much brighter.

How does the shape of the Moon change over 4 weeks?

From small to large, and then back to small again.

to revolve or move in a path around another object.

The diameter of the Sun is...

about 100 times the diameter of Earth.

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Investigation 2: Planetary Systems

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Review of lessons on: night-sky observations, how big, how far, phases of the moon, solar system, stars

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Questions 20

Answers

1
When can we see the Moon?
Only in the day
Never, it's too far away
Only at night
Sometimes in the day and sometimes at night
2
How many Earth diameters away is the Moon?
About 130 Earth diameters
About 500 Earth diameters
About 30 Earth diameters
About 100 Earth diameters
3
A waxing moon is...
can never be seen.
getting larger.
getting smaller.
stays the same size.
4
The Moon is...
the same size as Earth.
the same size as the Sun.
much larger than Earth.
much smaller than Earth.
5
Why do stars appear to move across the night sky?
the stars are getting brighter
the Moon's glow
the Earth is rotating on its axis
the stars are getting smaller
6
In what shape does Earth orbit the Sun?
In an almost rectangular shape.
In an almost circular shape.
In an almost straight shape
Earth doesn't orbit the Sun.
7
On a very dark night...
we can usually see the Sun.
we can sometimes see both the Sun and the Moon.
we never see the Moon.
we can usually see stars.
8
Our Sun...
is the farthest star to Earth
is part of a constellation called Orion
is part of a constellation called Aquila
is the closest star to Earth
9
Why do we see different constellations in the sky during each season?
As Earth orbits the Sun, seasons change; dark side changes
Earth rotates on its axis
New constellations form every season
Constellations move
10
Why doesn't Earth fly off into space?
the axis
it has a tilt
gravity
its weight
11
Why can't we see stars during the day?
Stars drift away in the day time.
The light from the Sun is so much brighter.
The light from the Moon is so much brighter.
They are too far away.
12
The planets and their moons...
are not part of the Solar System.
never move.
orbit the Sun.
are part of the Moon Phase System.
13
How many stars are there?
billions
2,000
nobody knows
hundreds
14
The stars in the night sky...
are moons.
are never in predictable patterns.
are suns.
are really small planets.
15
How does the shape of the Moon change over 4 weeks?
It doesn't change.
From small to large, and then back to small again.
It keeps getting smaller and smaller.
From large to small, and then back to large again.
16
How long does a lunar cycle take?
About 7 days
About six months
About a month
About one year
17
To orbit means...
to stay still.
to rotate or spin.
the distance from one side of Earth to the other.
to revolve or move in a path around another object.
18
This system includes the Sun, Earth, Moon, seven planets, satellites, and smaller objects:
the Solar System
the Phases System
the Waxing System
the Waning System
19
The diameter of the Sun is...
about half the diameter of Earth.
the same diameter as Earth.
about 100 times the diameter of Earth.
about 10 times the diameter of Earth.
20
Mercury, Venus, Earth, and Mars are...
the gas giant planets.
ice and rock planets.
the rock planets.
both the rock and gas planets.

Investigation 2: Planetary Systems Flashcards | StudBud