2.7.F - Lesson Review: The Planets Part I

Question 1

Mercury rotates so slow _______________________.

that is has gravity greater than the Earth
that it has extreme temperature differences
that a year is longer than a day
that its atmosphere is destroyed

Answer 1

that it has extreme temperature differences

Question 2

Mercury has a surface __________________.
that is the hottest because it is closest to the Sun
that is gaseous
very similar to the Moon
very similar to the Earth

Answer 2

very similar to the Moon

Question 3

Venus’s surface is largely __________________.
covered with steam
terrestrial with the land and water masses, like the Earth
volcanic
pockmarked with impact craters, like the Moon
gaseous, like Jupiter

Answer 3

volcanic

Question 4

The two spacecraft that have been to Mercury are _____________________.
Messenger in 2011 & Mariner 10 in 1974
Magellan in 1991 & Apollo in 1969
Mariner 10 in 1974 & Magellan in 1991
Apollo in 1969 & Mariner 10 in 1974
Magellan in 1991 & Messenger in 2011

Answer 4

Messenger in 2011 & Mariner 10 in 1974

Question 5

Venus rotates backwards from Earth. The definition for this is called _________________.
reverse orbit
retrograde rotation
retrograde orbit
random rotation
reverse direction

Answer 5

retrograde rotation

Question 6

The first orbiting spacecraft was sent up by the former Soviet Union. It was called ________________.
Voyager 1
bumper rockets
Viking 1
Apollo
Sputnik

Answer 6

Sputnik

Question 7

The magnetic field on the Earth that protects us from solar wind is caused by ______________________. (Select all that apply)
the liquid outer core
the Earth’s rotation
the Earth’s revolution
the seasons
the Earth’s tilt on its axis
the solid inner core

Answer 7

the liquid outer core
the Earth’s rotation
the solid inner core

Question 8

The Earth’s atmosphere is approximately __
______________ __ percent nitrogen and __
___________ __ percent oxygen. (Put numeral only)

Answer 8

Answer 1:
78%
Answer 2:
21%

Question 9

Mars has __________ rings and_____________moons.
(Find Correct answer)

Answer 9

0
2

Question 10

Saturn is mostly made up of _______________________.
helium
hydrogen
carbon dioxide
ammonia
sulfuric acid

Answer 10

hydrogen

Question 11

Saturn is 95 times the mass of Earth. Its volume is about 765 times that of Earth. Why?
Because Saturn has a lower temperature than Earth
Because Saturn has rings
Because Saturn is a terrestrial planet
Because Saturn has 53 moons exerting their gravity
Because Saturn has a lower density than Earth

Answer 11

Because Saturn has a lower density than Earth

Question 12

Which of Jupiter’s moons was found to have active volcanoes on it?
Amalthea
Europa
Ganymede
Callisto
Io

Answer 12

Io

Question 13

What is Jupiter’s atmosphere made of?
helium-nitrogen
carbon dioxide-helium
hydrogen-helium
oxygen-hydrogen
nitrogen-oxygen

Answer 13

hydrogen-helium

Question 14

Jupiter has a large ________________ which stretches all the way to Saturn, like a comet tail.
coronal flare
ring
magnetosphere
solar wind
moon

Answer 14

magnetosphere

Question 15

Near perfect ______________ must exist for the Moon to be a total eclipse.

Answer 15

alignment

Question 16

If the Moon never makes it into the umbra, what type of eclipse is it?
penumbral polar eclipse
penumbral lunar eclipse
umbral polar eclipse
penumbral solar eclipse
reverse umbral lunar eclipse
umbral solar eclipse

Answer 16

penumbral lunar eclipse

Question 17

A partial lunar eclipse is where the __________________________.
Earth passes through the umbra and the penumbra
Moon passes through the penumbra only
Moon passes through the umbra
Moon passes through the umbra and the penumbra
Sun passes through the umbra and the penumbra

Answer 17

Moon passes through the penumbra only

Question 18

A total lunar eclipse can only happen when the moon is ____
full
____ and the Moon, Earth, and ____
sun
____ are in the same plane.

Answer 18

Answer 1:
Full
Answer 2:
Sun

Question 19

The moon is red during an eclipse because red light is ____________________. (Choose 2)
reflected by the Moon from the Sun
absorbed by the Sun
refracted by the Sun going to the Moon
bent by the Earth’s atmosphere to the Moon
refracted by the Moon from the Sun

Answer 19

reflected by the Moon from the Sun
bent by the Earth’s atmosphere to the Moon

Question 20

Research has shown that Saturn is 95 times the mass of the Earth, and it is 765 times the volume of the Earth. What explains why the volume is much larger than the mass difference to the Earth? Please remember to write using your best grammar.

Answer 20

The reason for this is because Saturn is less dense than Earth.

Question 21

Explain why Mercury has very little atmosphere surrounding the planet. Please remember to write using your best grammar.

Answer 21

There are many reasons why mercury has little atmosphere. One reason is the heat from the sun, which carries out any gases found in mercury, which in return makes its atmosphere very thin.

Question 22

The atmosphere of Mercury ____________________. (Choose 2)
evaporates
traps the heat on the surface
is almost non-existent
is very substantial
gets blown away by solar wind from the Sun
is made up of carbon dioxide and sulfuric acid

Answer 22

is almost non-existent
gets blown away by solar wind from the Sun

Question 23

The spacecraft that was launched by NASA which studied most of Venus ____________________.
was Mariner 10 in 1991
was Mariner 10 in 1975
was the Venus Express launched by Europe
was Magellan in 1991
was Messenger in 2011

Answer 23

was Magellan in 1991

Question 24

What gas causes the temperature of Venus to be the hottest in the solar system?
Carbon monoxide
Oxygen
Nitrogen
Carbon dioxide

Answer 24

Carbon dioxide

Question 25

Eighty-five percent of the radius of Mercury is found on/in its __________________________.
surface crust
gaseous atmosphere
iron core
mercury core
magnetic field

Answer 25

iron core

Question 26

What is unusual about Mars’s moons?
They are like asteroids.
They are meteoroids that were caught in Mars’s gravity.
They have rings around them.
They are red like Mars.
They are covered with volcanoes.

Answer 26

They are like asteroids.

Question 27

What causes Leap Year in our calendar?
The Earth’s tilt
The effect of the gravity of the Moon
The Earth’s rotation
Eclipses
The Earth’s revolution

Answer 27

The Earth’s revolution

Question 28

Saturn has __
[ Select ]
__ moons, __
[ Select ]
__ provisional moons, and __Titan __ is its largest moon.

Answer 28

Answer 1:
53
Answer 2:
9
Answer 3:
Titan

Question 29

____________________ was the first to discover Jupiter’s first 4 moons in 1610.
Io
Callisto
Ganymede
Galileo
Isaac Newton
Leonardo Di Vinci

Answer 29

Galileo

Question 30

In order to have a lunar eclipse, __________________________.
the Sun must pass into the Earth’s shadow
the Moon must pass into the Sun’s shadow
the Earth must pass into the Moon’s shadow
the Moon must pass into the Earth’s shadow

Answer 30

the Moon must pass into the Earth’s shadow

Question 31

It is a total eclipse when the Moon is completely inside the ______________.
umbra
solar fares
penumbra
Sun

Answer 31

umbra

Question 32

What type of lunar eclipse is the most common?
partial
penumbra
total
umbra

Answer 32

partial

Question 33

Explain why Mercury has very little atmosphere surrounding the planet. Please remember to write using your best grammar.

Answer 33

Your Answer:
There are many reasons why mercury has little atmosphere. One reason is the heat from the sun, which carries out any gases found in mercury, which in return makes its atmosphere very thin.

Question 34

If you are standing on Mars and you stepped onto a weight scale, what would it say if on Earth you weighed 150 lbs?

Answer 34

Your Answer:
It would say that you weigh 60 pounds.