Quiz about Astronomy : Solar System Exam

Question 1

A person would weigh less on the moon than on the Earth because...

Accepted Answer

the moon has less mass, and therefore less gravity

Answer

the moon has more mass, and therefore less gravity

Answer

the moon has less mass, and therefore more gravity

Answer

the moon has more mass, and therefore more gravity

Question 2

If a person weighs 100 pounds on Earth, calculate how much that person would weigh on Jupiter. Jupiter has 3 times the amount of gravity than Earth does.

Accepted Answer

300 pounds

Answer

100 pounds

Answer

33.3 pounds

Answer

Not enough information is given

Question 3

__________holds all of the planets in orbit around the sun.

Accepted Answer

Gravity

Answer

Force

Answer

Motion

Answer

Weight

Question 4

Gravity on Mar's surface is much lower than it is here on Earth. This is because the mass of Mars is __________ that of Earth.

Accepted Answer

less than

Answer

more than

Answer

the same as

Question 5

Two factors effecting the magnitude of the force of gravity between 2 objects are...

Accepted Answer

mass. density and distance

Answer

mass and matter

Answer

distance, density and weight

Answer

weight and mass

Question 6

How does changing the distance of the string in the model represent the orbits of the planets?

Accepted Answer

the longer the string, the longer the orbit time of a planet

Answer

the longer the string means the larger the planet

Answer

the shorter the string, the longer the orbit time of the planet

Answer

the shorter the string, the smaller the planet

Question 7

Do planets affect the sun? Why?

Accepted Answer

Yes. Sun pulls on planets, planets pull on Sun

Answer

No. Sun pull on the planets and keep them in orbit.

Question 8

What best describes the mass and weight of a person as they move around the universe?

Accepted Answer

mass stays constant, weight changes

Answer

mass and weight changes

Answer

mass and weight stays constant

Answer

weight remains constant, mass changes

Question 9

What is mass?

Accepted Answer

How much matter in an object

Answer

Attraction between objects

Answer

Amount of space in object

Question 10

All objects in the universe that have mass exert a gravitational pull on other objects that have mass.

Accepted Answer

True

Answer

False

Question 11

Which planet is the largest?

Accepted Answer

Jupiter

Answer

Saturn

Answer

Uranus

Answer

Neptune

Question 12

The spinning of an object on its axis is called______

Accepted Answer

rotation

Answer

orbit

Answer

revolution

Answer

tide

Question 13

Day and night is caused by the _____________ of earth on its axis.

Accepted Answer

rotation

Answer

revolution

Answer

orbit

Question 14

How long does it take the Earth to make one REVOLUTION around the Sun?

Accepted Answer

365.25 days

Answer

365 hours

Answer

365.5 days

Answer

29.5 days

Question 15

How long does it take for Earth to complete on full rotation?

Accepted Answer

24 hours

Answer

365 days

Answer

23 hours

Answer

1 month

Question 16

This is the largest planet in the solar system.

Accepted Answer

Jupiter

Answer

Saturn

Answer

Uranus

Answer

Venus

Question 17

This is the smallest planet in the solar system

Accepted Answer

Mercury

Answer

Venus

Answer

Earth

Answer

Mars

Question 18

Which of the following statements is correct?

Accepted Answer

Pluto was once considered a main planet, but is now a dwarf planet

Answer

Pluto was once classified as a dwarf planet, but is now classified as a main planet

Answer

Pluto was never classified as a planet

Answer

Pluto has always been considered a planet

Question 19

Which planet is the largest?

Accepted Answer

Jupiter

Answer

Saturn

Answer

Uranus

Answer

Neptune

Question 20

What is a common characteristic of the inner planets?

Accepted Answer

Rocky Surface

Answer

Large

Answer

Gaseous

Answer

Rings

Question 21

What is NOT a common characteristic of the outer planets?

Accepted Answer

Smaller than Earth

Answer

Gaseous

Answer

Giant

Answer

Rings

Question 22

True or False
The planets are all equally distanced from each other.

Accepted Answer

False

Answer

True

Question 23

What is between the inner planets and the outer planets?

Accepted Answer

Asteroid belt

Answer

Kuiper belt

Answer

Sun

Answer

Moon

Question 24

What force(s) keeps the planets orbiting the sun? ( You may select more than one.)

Accepted Answer

Gravity

Accepted Answer

inertia

Answer

Magnetism

Answer

Electricity

Answer

Friction

Question 25

What planets are Mercury, Venus, Earth, & Mars considered?

Accepted Answer

inner

Answer

outer

Answer

dwarf

Question 26

The outermost planets have what type of physical composition?

Accepted Answer

gas and ice

Answer

rocky

Answer

liquid

Question 27

A dwarf planet. It is farther from the sun than Neptune

Accepted Answer

Pluto

Answer

Earth

Answer

Uranus

Answer

Neptune

Answer

Kuiper

Question 28

The spherical outer shell of objects that surrounds everything else in the solar system is called the ______.

Accepted Answer

Oort Cloud

Answer

Kuiper Belt

Answer

Scattered Disk

Answer

Plutinos

Question 29

All the known dwarf planets (except Ceres) orbit in the:

Accepted Answer

Kuiper belt

Answer

asteroid belt

Answer

Oort cloud

Question 30

What object is at the center of a heliocentric model?

Accepted Answer

Sun

Answer

Earth

Answer

the Moon

Question 31

How long is a day on earth?

Accepted Answer

24 hours

Answer

22 hours

Answer

365 days

Answer

12 hours

Question 32

The first concept of the solar system had the earth at the center, this was called

Accepted Answer

a geocentric system

Answer

a heliocentric system

Answer

the Milky Way

Answer

Copernicus' model

Question 33

The planets of the solar system

Accepted Answer

are closer together inside the asteroid belt and then spread further apart after the asteroid belt.

Answer

are evenly spaced out.

Answer

are far apart inside the asteroid belt then closer together outside the asteroid belt.

Answer

have not set spacing between them.

Question 34

This model of the "universe" was first proposed by ancient Greeks

Accepted Answer

geocentric

Answer

heliocentric

Answer

lunarcentric

Answer

Ptolomy's system

Question 35

According to Kepler's 2nd law

Accepted Answer

Planets move faster closer to the sun and slower when farther away.

Answer

Planets move faster when they have moons

Answer

Planets all move at the same speed around the sun

Answer

Planets move faster farther away from the sun and slower when closer to the sun

Question 36

According to Kepler's first law

Accepted Answer

Orbits of planets are ellipses with sun at one focus

Answer

Orbits are dependent on the mass of the planet and the sun

Answer

Orbits are perfectly circular with the sun at the focus

Answer

Orbits of planets are ellipses with the earth at one focus

Question 37

Which planet is the only planet with water in 3 states

Accepted Answer

Earth

Answer

Venus

Answer

Mars

Answer

Mercury

Question 38

Which planet is covered in clouds of CO2 and sulfuric acid

Accepted Answer

Venus

Answer

Earth

Answer

Mercury

Answer

Mars

Question 39

On which planet is Olympus Mons: largest volcano known found?

Accepted Answer

Mars

Answer

Earth

Answer

Mercury

Answer

Venus

Question 40

Which planet has no atmosphere due low gravitational force

Accepted Answer

Mercury

Answer

Earth

Answer

Venus

Answer

Mars

Question 41

This planet has many craters

Accepted Answer

Mercury

Answer

Earth

Answer

Venus

Answer

Mars

Question 42

This planet has high atmospheric pressure and temperature

Accepted Answer

Venus

Answer

Earth

Answer

Mercury

Answer

Mars

Question 43

The four outer "Jovian Planets" are mostly made up of

Accepted Answer

gasses and/or ices: Hydrogen, helium, methane, ammonia, and water

Answer

gasses: nitrogen, oxygen, carbon dioxide, and water vapor

Answer

solid: Hydrogen, helium, methane, ammonia, and water

Answer

rocky minerals

Question 44

Which planet has 4 largest moons that were seen by Galileo

Accepted Answer

Jupiter

Answer

Saturn

Answer

Uranus

Answer

Neptune

Question 45

Which planet is almost enough mass to be a brown dwarf star

Accepted Answer

Jupiter

Answer

Saturn

Answer

Neptune

Answer

Uranus

Question 46

Which planet is rolling through space?

Accepted Answer

Uranus

Answer

Jupiter

Answer

Saturn

Answer

Neptune

Question 47

Which planet is famous for its blue color?

Accepted Answer

Neptune

Answer

Jupiter

Answer

Saturn

Answer

Uranus

Question 48

Which planet has large, easily visible rings made of rocks and ice with 82 moons?

Accepted Answer

Saturn

Answer

Jupiter

Answer

Uranus

Answer

Neptune

Question 49

Which planet has the giant red spot storm?

Accepted Answer

Jupiter

Answer

Saturn

Answer

Uranus

Answer

Neptune

Question 50

Which gas giant has seasons?

Accepted Answer

Uranus

Answer

Jupiter

Answer

Saturn

Answer

Neptune

Question 51

The distance of each planet from the sun makes a big difference in

Accepted Answer

its climate and whether it can support life.

Answer

its climate and weather

Answer

its moons and whether it can support life.

Answer

if it has rings

Question 52

What is one reason Earth can support life?

Accepted Answer

water

Answer

atmosphere

Answer

moon

Answer

seasons

Question 53

Models that are to scale are most useful for showing

Accepted Answer

the relationships between the sizes of things and the distances between them.

Answer

the number of items in the solar system

Answer

the order of the planets

Answer

what color each planet is

Question 54

Why is it diffiicult to make a model the solar system with both the sizes and the distances being accurate and to scale?

Accepted Answer

Because of the immense distances and the fact that things are so small in comparison

Answer

Because we do not know what is in the solar system

Answer

Because the sun is so large and the distances so great

Answer

Because we do not know the actual distances

Question 55

What force does the string represent? What would happen if the string was suddenly let go? What force does this represent?

Accepted Answer

The string represents pull gravity. If released the ball at the end would fly off due to inertia.

Answer

The string represents the pull of gravity between the hand and the ball. If released the ball would be pulled into the center.

Answer

The string represents the push of gravity. Nothing would happen to the the ball, it would just continue in its orbit due to the pull of inertia.

Answer

The string represents the pull of inertia. If released the ball at the end would fly off due to the pull of gravity.

Question 56

What is the difference between the Asteroid belt and the Kuiper belt?

Accepted Answer

Asteroid belt contains large rocky material , Kuper belt contains dwarf planets and other rocky material and is found outside of the gas giants.

Answer

Asteroid belt contains rocky material and Kuiper belt contains icy material.

Answer

Asteroid belt contains comets, meteoroids and asteroids while the Kuiper belt contains meteoroids and comets.

Answer

Asteroid belt contains dwarf planets and Kuiper belt contains small rocky material.

Question 57

How does the tail of a comet behave?

Accepted Answer

it points away from the sun

Answer

it points towards the sun

Answer

it only exists out in deep space

Answer

it is part of the nucleus

Question 58

Where is the home of billions of comets?

Accepted Answer

Oort cloud

Answer

Kuiper belt

Answer

asteroid belt

Answer

between area between Neptune and the Kuiper Belt

Question 59

What type of orbit do comets have?

Accepted Answer

very elliptical

Answer

circular

Answer

slightly elliptical

Answer

square

Question 60

What is Halley's comet?

Accepted Answer

Comet that appears every 76 years and was predicted by Hailey in 1705

Answer

Comet that appears every 76 years and reappearred in 1905

Answer

Comet that appears every 1705 years and reappearred in 1758

Answer

Comet that appears every 1758 years and reappearred in 1705

Question 61

What do scientist think occurred 65 million years ago?

Accepted Answer

An asteroid hit Earth and exploded leaving a thin layer of Irdium

Answer

The Earth was formed

Answer

the moon was formed from a collision between Earth and a large rocky object

Answer

An asteroid hit Earth and made the oceans

Question 62

When the eccentricity of an orbit increases what is ocurring?

Accepted Answer

the more oval the shape of the orbit is becoming

Answer

the more circular the shape of the orbit is becoming

Answer

the number of moons and rings the planet has is increasing

Answer

the faster the planet is moving around the sun

Question 63

Why do scientist think dinosaurs went extinct?

Accepted Answer

Earth was hit by a large asteroid

Answer

Humans hunted them to death

Answer

Mammals ate all their eggs

Answer

Earth was hit by a dwarf planet

Question 64

Why do meteors burn up in the Earth's atmosphere?

Accepted Answer

friction creates thermal heat

Answer

they don't, they all hit the ground

Answer

they don't instead they warm up and melt

Answer

they are on fire out in space

Astronomy : Solar System Exam

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science