Quiz about Unit 7 ( Our Solar System)

Question 1

Who suggested that the Sun was the center of the solar system in 1543?

Accepted Answer

Nicolaus Copernicus

Answer

Galileo Galilei

Answer

Isaac Newton

Answer

Johannes Kepler

Question 2

What does the term "heliocentric" mean?

Accepted Answer

Sun-centered

Answer

Earth-centered

Answer

Moon-centered

Answer

Star-centered

Question 3

What does AU stand for in astronomy?

Accepted Answer

Astronomical Unit

Answer

Astronomical Universe

Answer

Astronomical Utility

Answer

Astronomical Usage

Question 4

Which planet is mentioned as being 1.52 AU from the Sun?

Accepted Answer

Mars

Answer

Earth

Answer

Venus

Answer

Jupiter

Question 5

What defines the shape of a planet's elliptical orbit?

Accepted Answer

Eccentricity

Answer

Velocity

Answer

Gravity

Answer

Mass

Question 6

What is the primary composition of interstellar clouds?

Accepted Answer

Hydrogen molecules, helium, and trace heavy elements.

Answer

Carbon dioxide and methane

Answer

Oxygen and nitrogen

Answer

Silicon and iron

Question 7

What is Keplers first law of planetary motion?

Accepted Answer

Planets move in elliptical orbits with the Sun at one focus.

Answer

Planets move in circular orbits around the Earth.

Answer

The Sun moves in a straight line around the planets.

Answer

Planets are stationary and the Sun orbits them.

Question 8

Which planet is known for having retrograde rotation?

Accepted Answer

Venus

Answer

Saturn

Answer

Mars

Answer

Jupiter

Question 9

Which of the following is the hottest planet?

Accepted Answer

Venus

Answer

Jupiter

Answer

Mercury

Answer

Mars

Question 10

Which feature is unique to Uranus?

Accepted Answer

Uranus is on its side

Answer

Uranus's rings are the largest in the solar system.

Answer

Uranus has the highest surface temperature among the gas giants.

Answer

Uranus is the only planet that rotates clockwise.

Question 11

Which planet has a liquid metallic hydrogen atmosphere?

Accepted Answer

Jupiter

Answer

Venus

Answer

Mars

Answer

Saturn

Question 12

What is the name of the largest asteroid in the asteroid belt?

Accepted Answer

Ceres

Answer

Eros

Answer

Pallas

Answer

Vesta

Question 13

Gas giants are

Accepted Answer

large planets primarily composed of hydrogen and helium

Answer

planets with no atmosphere

Answer

primarily composed of water and ice

Answer

small rocky planets

Question 14

Terrestrial planets are

Accepted Answer

Mercury, Venus, Earth, and Mars

Answer

Jupiter, Saturn, Uranus, and Neptune

Answer

Pluto, Eris, Haumea, and Makemake

Answer

Mercury, Venus, Earth, and Jupiter

Question 15

What are terrestrial planets made up of

Accepted Answer

Terrestrial planets are made up of rock and metal.

Answer

Gas and ice

Answer

Liquid water and gas

Answer

Plasma and dust

Question 16

The gas giant planets are

Accepted Answer

Jupiter, Saturn, Uranus, Neptune

Answer

Sun, Alpha Centauri, Betelgeuse, Sirius

Answer

Earth, Mars, Venus, Mercury

Answer

Pluto, Eris, Haumea, Makemake

Question 17

What is retrograde rotation?

Accepted Answer

Retrograde rotation is the rotation of a celestial body in the opposite direction to the majority of bodies in the solar system.

Answer

Retrograde rotation is the same as prograde rotation.

Answer

Retrograde rotation occurs only in black holes.

Answer

Retrograde rotation is the rotation of a celestial body around its own axis.

Question 18

What is the process of gravity assist?

Accepted Answer

The process of gravity assist involves using the gravitational pull of a planet or moon to increase a spacecraft's speed and alter its trajectory.

Answer

Launching a spacecraft directly into a black hole.

Answer

Using solar panels to harness energy from the sun.

Answer

Utilizing a planet's atmosphere to slow down a spacecraft.

Question 19

Mercury's interior is

Accepted Answer

Nickel Iron Core

Answer

Mercury has a thick atmosphere and a rocky core.

Answer

Mercury is primarily composed of gas and ice.

Answer

Mercury has a solid surface with no core.

Question 20

Mercury's surface is

Accepted Answer

rocky and heavily cratered

Answer

liquid and oceanic

Answer

icy and frozen

Answer

smooth and featureless

Question 21

Venus's atmosphere is

Accepted Answer

Primarily carbon dioxide with clouds of sulfuric acid.

Answer

Composed mainly of water vapor and oxygen.

Answer

Rich in methane and ammonia.

Answer

Mostly nitrogen with traces of oxygen.

Question 22

Venus's interior

Accepted Answer

Liquid Metal

Answer

The interior of Venus is mostly gas with no solid components.

Answer

Venus's interior is composed entirely of water and ice.

Answer

Venus has a solid surface made of diamond.

Question 23

Mars's interior

Accepted Answer

Unknown

Answer

Mars has only a solid surface.

Answer

Mars is entirely made of gas.

Answer

Mars has no internal structure.

Question 24

Jupiter's atmosphere

Accepted Answer

Liquid metallic hydrogen

Answer

Jupiter's atmosphere contains a significant amount of carbon dioxide.

Answer

Jupiter's atmosphere is primarily composed of oxygen and nitrogen.

Answer

Jupiter's atmosphere is mostly made up of water vapor and methane.

Question 25

How many moons does Jupiter have?

Accepted Answer

75

Answer

45

Answer

63

Answer

60

Question 26

This planet has more than 60 moons, 7 very profound rings and its atmosphere is made up of hydrogen, helium and ammonia.

Accepted Answer

Saturn

Answer

Neptune

Answer

Mars

Answer

Jupiter

Question 27

This planet has 2 faint ring systems, 27 moons and rotates on its side?

Accepted Answer

Uranus

Answer

Jupiter

Answer

Saturn

Answer

Neptune

Question 28

This planet has 6 rings that are hard to see, 14 moons and is the furthest planet from the sun.

Accepted Answer

Neptune

Answer

Mars

Answer

Jupiter

Answer

Saturn

Question 29

A streak of light that passes from a meteoroid

Accepted Answer

Meteor

Answer

Comet

Answer

Asteroid

Answer

Planet

Question 30

The part of a meteoroid that hits the ground

Accepted Answer

meteorite

Answer

comet

Answer

asteroid

Answer

meteoroid

Question 31

What has to be broken before you can use it

Accepted Answer

an egg

Answer

a window

Answer

a promise

Answer

a record

Question 32

What month has 28 days?

Accepted Answer

All of them

Answer

February

Answer

March

Answer

January

Question 33

What goes up but can never go down?

Accepted Answer

Age

Answer

Height

Answer

Temperature

Answer

Weight

Question 34

The more of this there is, the less you'll be able to see

Accepted Answer

darkness

Answer

brightness

Answer

light

Answer

clarity

Question 35

What can you hold in your left hand but not your right

Accepted Answer

Your right hand

Answer

A book

Answer

Your foot

Answer

Your left hand

Unit 7 ( Our Solar System)

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