Unit 11 Review

Question 1

The planets are kept in their orbit around the sun by a special force. What is this force called?

Answer 1

Gravity

Question 2

What is the memory trick to remember planets based on their distance from the sun?

Answer 2

My Very Easy Method Just Speed Up Names

Question 3

What is the memory trick to remember the planets based on their size?

Answer 3

Just Search Up Names Every Very MoMent

Question 4

What is the order of planets based on their distance to the sun?

Answer 4

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

Question 5

What is the order of planets based on their size?

Answer 5

Jupiter, Saturn, Uranus, Neptune, Earth, Venus, Mars, Mercury

Question 6

Why is the sun so important?

Answer 6

It is the major source of energy on Earth

Question 7

Where is the photosphere of the sun?

Answer 7

on the surface

Question 8

Where is the corona of the sun?

Answer 8

the flames around it

Question 9

Where is the core of the sun?

Answer 9

at it’s center

Question 10

Which Planets are considered inner planets?

Answer 10

Earth, Mercury, Mars, Venus

Question 11

Which planet:

• is the smallest planet
• has long, extremely cold nights
• has long, extremely hot periods of sun shining during the day

Answer 11

Mercury

Question 12

Which planet:

• is the only planet to have liquid water on its surface
• is almost three quarters of its surface covered in water
• has a nearly circular orbit

Answer 12

Earth

Question 13

Which planet:

• has a surface that is dry and rocky with mountains and volcanoes
• has no water on its surface

Answer 13

Venus

Question 14

Which planet:

• has two moons that orbit it
• has dust storms on its surface as well as ice
• has seasons

Answer 14

Mars

Question 15

True or False

Inner planets are all terrestrial – meaning they are made mainly of rock and metal

Answer 15

true

Question 16

True or False

Inner planets have many natural satellites

Answer 16

false

Question 17

True or False

Inner planets are solid, not gaseous

Answer 17

true

Question 18

True or False

Inner planets have rings

Answer 18

false

Question 19

True or False

It takes longer for the inner planets to orbit the sun than for the outer planets to orbit the sun

Answer 19

false

Question 20

Which planets are considered outer planets?

Answer 20

Neptune
Uranus
Saturn
Jupiter

Question 21

Which planet has :

• not solid surface
• hot liquid inside
• a rocky core at center
• rings made of small particles and dust

Answer 21

Jupiter

Question 22

Which body :

• used to be considered a planet, but not anymore
• has a rocky and cold surface

Answer 22

Pluto

Question 23

Which planet:

• rotates on its side
• is cold on its surface but hot at its core
• has 11 rings that circle it
• has 21 moons

Answer 23

Uranus

Question 24

Which planet :

• is cold at the surface, hot at the core
• has 30 moons
• has the largest rings
• has a surface that is not solid

Answer 24

Saturn

Question 25

Which planet :

• is the stormiest planet, with cold temperatures and seasons
• has 14 moons
• has rings that circle it

Answer 25

Neptune

Question 26

True or False

Gas giants do not have solid surfaces

Answer 26

True

Question 27

True or False

Gas giants all have their own moons

Answer 27

True

Question 28

True or False

Gas Giants all have a cold atmosphere and a hot core

Answer 28

False

Question 29

True or False

Gas giants all have rings around them

Answer 29

True

Question 30

True or False

Stars are classified mainly according to their distance from Earth.

Answer 30

False

Question 31

What determines the brightness of a star in the sky?

Answer 31

the distance of the star from Earth

Question 32

Why do the constellations seem to move around in the sky

Answer 32

Earth’s rotation makes the constellations appear to move

Question 33

Which constellation is connected with lines that look like a big saucepan?

Answer 33

Big Dipper

Question 34

Which constellation looks like an upside-down little saucepan?

Answer 34

Little Dipper

Question 35

Which constellation looks like a dude with no legs or head?

Answer 35

Orion

Question 36

Which star is the brightest star in the constellation the Bid Dog?

Answer 36

Sirius

Question 37

Which star in the Northern Hemisphere is above Earth’s axis?

Answer 37

Polaris

Question 38

Which star makes up Orion’s knee?

Answer 38

Rigel

Question 39

True or False

The Milky Way is a constellation containing our solar system

Answer 39

False

Question 40

True or False

Telescopes can make objects in the sky look larger and can make some very dim objects bright enough to see

Answer 40

true