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Quiz 17: The Solar System

Total questions: 20

Worksheet time: 23mins

Name
Class
Date
1.

What is the solar system?

a)

A system of moons that orbit around the planets

b)

A system of stars that make up galaxies

c)

A system of planets and other celestial bodies that orbit around the sun

d)

A system of comets and asteroids that orbit around the sun

2.

Where is most of the matter in the solar system found?

a)

The sun

b)

The planets

c)

The asteroids

d)

The comets

3.

What are the inner planets of the solar system called?

a)

Jovian planets

b)

Dwarf planets

c)

Terrestrial planets

d)

Gas giants

4.

What are the outer planets of the solar system called?

a)

Kuiper Belt

b)

Dwarf planets

c)

Terrestrial planets

d)

Jovian planets

5.

Which terrestrial planet in the solar system has the most moons?

a)

Mars

b)

Earth

c)

Venus

d)

Mercury

6.

What is the process by which hydrogen is fused into helium in the sun?

a)

Fission

b)

Fusion

c)

Combustion

d)

Evaporation

7.

What is the nearest individual star to Earth?

a)

Sirius

b)

Alpha Centauri

c)

Proxima Centauri

d)

Betelgeuse

8.

What is the sun mostly composed of?

a)

Carbon

b)

Hydrogen

c)

Oxygen

d)

Helium

9.

What is the process by which mass is converted to energy in the sun?

a)

Evaporation

b)

Combustion

c)

Fission

d)

Fusion

10.

What is the source of energy that sustains life on Earth?

a)

Nuclear energy

b)

Geothermal energy

c)

Solar energy

d)

Wind energy

11.

What happens to the mass of the sun over time?

a)

It reinvents itself

b)

It increases

c)

It decreases

d)

It remains constant

12.

What is the term for a small planet in the process of formation?

a)

Planetesimal

b)

Dwarf planet

c)

Asteroid

d)

Comet

13.

What is the shape of the spinning cloud in the nebular theory of solar system formation?

a)

Cylindrical

b)

Spherical

c)

Pyramid

d)

Disc

14.

What is the process by which matter coalesces to form planets?

a)

Condensation

b)

Erosion

c)

Accretion

d)

Sublimation

15.

What is the term for a cloud of gas and dust from which the sun and planets formed?

a)

Supernova

b)

Nebula

c)

Galaxy

d)

Cluster

16.
This is no longer a planet
a)
Neptune
b)
Io
c)
Pluto
d)
moon
17.
What is the average distance (approximately) between Earth and the Sun (in miles)?
a)
149,699,180 miles
b)
93,000,000 miles
c)
120,000,000 miles
d)
67,034,980 miles
18.

According to scientists, the solar system formed from

a)

colliding planetesimals.

b)

rotating stars.

c)

colliding nebulae.

d)

a rotating disk of dust and gases.

19.

The densities of the Jovian planets are

a)

not more than about 0.5 times the density of water.

b)

not more than about 1.5 times the density of water.

c)

from 3.9 to 5.5 times the density of water.

d)

more than 5.5 times the density of water.

20.

How does the diameter of the terrestrial and Jovian planets compare?

a)

The diameters of the Jovian planets are much larger.

b)

The diameters of the terrestrial planets are much larger.

c)

All but one of the terrestrial planets have diameters about equal to the diameters of the Jovian planets.

d)

All but one of the Jovian planets have diameters about-equal to the diameters of the terrestrial planets.