wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Unit 6 Review - Our Solar System

Total questions: 15

Worksheet time: 15mins

Name
Class
Date
1.

At which point in this asteroids orbit would the gravitational force of the sun be strongest?

a)

A

b)

B

c)

C

d)

D

2.

Which choice below lists the layers of the sun correctly from innermost to outermost?

a)

Radiative zone --> Convection zone --> Core

b)

Convection zone --> Radiative zone --> Core

c)

Core --> Radiative zone --> Convection zone

d)

Radiative zone --> Core --> Convection zone

3.

Objects made of ice, gas and dust that orbit our sun are called:

a)

Asteroids

b)

Comets

c)

Meteoroids

d)

Meteors

4.

Huge chunks of rock and metal (some measuring miles wide) and are believed to be left-over pieces of planets and moons are called:

a)

Asteroids

b)

Meteoroids

c)

Comets

d)

Meteors

5.

What is the primary difference between asteroids and meteoroids?

a)

Asteroids are smaller than meteoroids

b)

Meteoroids are smaller than asteroids

c)

Asteroids are round, while meteoroids are irregularly shaped

d)

Meteoroids have a molten center, while asteroids do not

6.

Which is the hottest planet in our solar system (due to its dense CO2 and sulfuric acid atmosphere)?

a)

Mercury

b)

Mars

c)

Venus

d)

Jupiter

7.

Which of the following pairs of planets have average temperatures that are most similar to each other?

a)

Mercury & Jupiter

b)

Earth & Mars

c)

Venus & Neptune

d)

Uranus & Mars

8.

Which model of the solar system states that the Earth is the center?

a)

Geocentric

b)

Heliocentric

c)

Biocentric

d)

Hydrocentric

9.

This is a total solar eclipse. What part of the sun is still visible in this image?

a)

Photosphere

b)

Sunspots

c)

Corona

d)

Convection Zone

10.

The planets in the solar system are so far apart that scientists measure the distance between them in

a)

miles (mi)

b)

kilometers (km)

c)

astronomical units (AU)

d)

inches (in)

11.

Solar flares...

a)

are from areas of intense magnetic activity.

b)

are from the interior of the Sun.

c)

share things in common with Sun spots.

d)

form in the radiative zone.

12.

Which of the following statements best explains why Mercury and Venus do not have any natural satellites (moons)?

a)

They are too close to the sun.

b)

The planets are too hot.

c)

The planets are too small.

13.

Why are sunspots darker than the surrounding areas on the sun?

a)

The hotter gas releases less light

b)

The cooler gas releases less light

c)

They look that way because the light from the sun

d)

They are created by shadows from the moon

14.

Sunspots are

a)

large flares of energy that loop back to the sun's surface.

b)

bursts of energy that flash off the sun's surface.

c)

magnetic areas on the sun's surface that appear darker because they are a lower temperature than surrounding areas.

d)

areas on the sun's surface that are a higher temperature than the rest of the sun

15.

Solar flares are associated with sunspots and caused by

a)

the release of energy from the sun's magnetic field.

b)

the sun's rotation.

c)

the planets pulling on the sun.

d)

the sun dancing the tango.