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Unit 4: OUR PLANET Flashcards | StudBud
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Unit 4: OUR PLANET
Unit 4: OUR PLANET
30 terms
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20 questions about our planet and solar system.
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
Planet Earth is flat.
False
True
2
The
mantle
is made up of melted rock called magma.
True
False
3
The four planets that are
farthest
from the Sun...
are smaller.
are bigger.
are made of rock.
are made of gas.
4
The
core
is the inner layer of the Earth.
False
True
5
The solar system has a star called the
Sun
.
True
False
6
What's the name of
layer
number
2
?
crust
mantle
lava
core
7
The solar system has
eight planets
and their
satellites
.
False
True
8
Revolution
is the movement of the Earth...
around the Moon.
around the Ecuator.
on its own axis.
around the Sun.
9
The four planets that are
nearest
the Sun...
are smaller.
are made of gas.
are bigger.
are made of rock.
10
As the
Moon grows
, it has shapes called lunar phases.
False
True
11
How long does the
Moon
need to do a complete
orbit
around the Earth?
24 hours
365 days and 6 hours
28 days
6 hours
12
What's lunar phase number 4?
full moon
first quarter
third quarter / last quarter
new moon
13
The Earth takes
12 hours
to make a complete
rotation
.
False
True
14
The
crust
is the outer layer of the Earth.
False
True
15
The Earth has two movements: revolution and rotation.
True
False
16
What's lunar phase number 1?
third quarter / last quarter
new moon
full moon
first quarter
17
From the Earth, we see different shapes of the Moon because...
the Moon reflects the sun's rays.
the Moon grows and get smaller.
the Moon moves back and forward.
the Earth is in the midle of the Sun and the Moon.
18
Revolution
causes...
day and night
tilted axis
seasons
tides (= mareas)
19
What are the
Earth's layers
?
Crust, Mantle and Core.
Europa.
Continents and seas.
Water, mountain and lava.
20
How long does the
Earth
need to do a complete
revolution
?
6 hours
28 days
24 hours
365 days and 6 hours
21
Rotation
is the movement of the Earth...
around the Moon.
around the Ecuator.
around the Sun.
on its own axis.
22
What's the name of
layer
number
3
?
lava
crust
core
mantle
23
What is the
hottest
layer?
Crust
Magma
Mantle
Core
24
Rotation
causes...
day and night
tides (= mareas)
tilted axis
seasons
25
What layer is formed by the continents, islands and the ocean floor?
Core
Crust
Mantle
Europa
26
Click on the true sentence:
The Moon has a lot of planets around.
The Earth has only one satellite.
The Moon is the natural satellite of the Earth.
The Earth has no satellites.
27
Revolution causes
day and night
.
True
False
28
How long does the
Earth
need to do a complete
rotation
?
365 days and 6 hours
24 hours
28 days
6 hours
29
Spring
begins on the 21 of March.
True
False
30
Winter
begins on the 21 of September.
False
True
