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8th Earth Science Mod. G Unit 3 Flashcards | StudBud
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8th Earth Science Mod. G Unit 3
8th Earth Science Mod. G Unit 3
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A #sciencefusion #blindquiz on #earthmoonsunsystem #moduleG.
Flashcards
30 cards
F
Practice quiz
P
Host live
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Questions
30
Answers
1
How long does it take Earth to complete one orbit around the sun?
27 days
1 day
60 days
365 1/4 days
2
Which list represents the position of Earth, the sun, and the moon during a lunar eclipse?
sun, moon, Earth
sun, Earth, moon
Earth, sun, moon
moon, sun, Earth
3
What causes tides?
Density differences in ocean water
Underwater earthquakes, volcanic eruptions or landslides
Gravitational pull of the moon on the water on Earth
Heat from the sun, which causes winds
4
The diagram shows the lunar phases. Which of the moons in the figure are in a crescent phase?
4 & 6
2 & 8
2 & 4
6 & 8
5
Which equation would be used to show the effect of the sun & the moon on spring tides?
Earth - moon = spring tides
sun + moon = spring tides
moon - sun = spring tides
sun + Earth = spring tides
6
How many Earth days does it take for the moon to travel around Earth?
about 7 days
about 28 days
about 365 days
about 180 days
7
An astronomer takes a picture of a large, dark round object in the sky. Which event happened?
A solar eclipse
A first quarter moon
A lunar eclipse
A third quarter moon
8
At which point would the US receive the
fewest
hours of daylight?
Position D
Position B
Position A
Position C
9
Which of these choices best defines the orbit of Earth?
The path Earth travels as it revolves around the sun
The spin of Earth on its axis as it moves forward
The distance from the sun to Earth at any point
A position in space of Earth at a certain time
10
When you travel from the US to Australia for the winter, it feels more like summer, why?
The Southern Hemisphere is tilted away from the sun.
The Southern Hemisphere is experiencing the autumnal equinox
The Southern Hemisphere is tilted towards the sun.
The Southern Hemisphere is experiencing the vernal equinox.
11
Which of the following is a common characteristic of
winter
compared to summer.
higher daytime temperatures
more daily hours of sunlight
noon sun lower in the sky
longer days and shorter nights
12
What terms describes the Earth spinning on its axis?
orbit
revolution
tilt
rotation
13
Why is the timing of tides predictable?
Because winds are predictable
Because ocean water density is predictable
Because the moon's path is predictable
Because the sun's movements are predictable
14
Which question should you ask to find out the length of a planet's year?
How much does the planet tilt on its axis of rotation?
How long does it take the planet to orbit the sun?
How long does it take the planet to rotate on its axis?
How large is the planet?
15
Which answer is an important factor in keeping communications satellite in orbit around Earth?
Magnetism
Heat
Light
Gravity
16
What is an equinox?
Force of attraction between objects due to their mass
Time required for Earth to orbit once around the sun
Moment the sun appears to cross the celestial equator
Point at which the sun is as far north or south of equator
17
What tide occurs during the new and full moons?
Lunar
Neap
Spring
Tide range
18
Which term is the periodic rise & fall of the water level in the oceans & other bodies of H
2
O.
Wave
Neap
Tide
Current
19
Which phase happens immediately after a third quarter moon?
waxing gibbous
waning gibbous
new moon
waning crescent
20
Which gravitational pull has the
greatest
effect on tides?
The sun's gravitational pull on the moon.
The moon's gravitational pull on Earth.
The sun's gravitational pull on Earth
Earth's gravitational pull on the moon.
21
Which answer
best
explains why the times of high and low tides shift each day?
The sun rises and sets earlier each day.
The moon rises and sets earlier each day.
The moon rises and sets later each day.
The sun rises and sets later each day.
22
When it is winter, the US receives the least direct solar energy, why is this?
The Northern Hemisphere is closer to the sun.
The Northern Hemisphere is tilted away from the sun.
The Northern Hemisphere is farther from the sun.
The Northern Hemisphere is tilted toward the sun,
23
The rotation of Earth on its axis causes every location to move in which direction?
from east to west
from north to south
from west to east
from south to north
24
What makes it possible for you to see the surface of the moon from Earth?
The moon absorbs sunlight during the day & glows at night.
The moon gives off its own light.
Light from Earth is reflected by the moon's surface.
Light from the sun is reflected by the moon's surface.
25
How do the temperatures at Earth's equator compare to the temperatures at the poles?
There is more variation in temperature at the equator.
There is less variation in temperature at the equator.
The equator is generally cold.
The poles are generally warm.
26
How often does the moon pass over a particular spot on Earth's surface, causing tides?
once every 14 days
once every 24 hours and 50 minutes
once every 12 hours and 25 minutes
once every 10 seconds
27
When Earth moves into the moon's shadow, a solar eclipse happens. Which moon phase shows this?
third quarter
full moon
new moon
waning gibbous
28
How are the sun, Earth, and moon aligned when spring tides occur?
The sun, Earth, & moon form a 90° angle.
The sun, Earth, & moon form a 135° angle.
The sun, Earth, & moon form a straight line.
The sun, Earth, & moon form a 45° angle.
29
Which of the following best describes the term
season
?
time it takes Earth to complete on revolution around the sun
a time of year characterized by constantly changing weather
specific time of year characterized by recurring weather
time it takes Earth to complete 1 full rotation on its axis
30
Which of the following keeps the moon in orbit around Earth?
Magnetism
Gravity
Ocean tides
Sun nuclear fusion
