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Unit 3 , Lesson 1

Total questions: 25

Worksheet time: 27mins

Name
Class
Date
1.
Objects made of ice, gas and dust and orbit our sun are called:
a)
Asteroids
b)
Comets
c)
Meteroids
d)
Meteors
2.
When a meteoroid STRIKES the surface of the earth scientists refer to them as:
a)
Asteroids
b)
Comets
c)
Meteors
d)
Meteorites 
3.

What do comets, asteroids and meteor all orbit?

a)

The Stars

b)

The Planets

c)

The Sun

4.

Between which 2 planets do we find the asteroid belt?

a)

Mercury and Jupiter

b)

Earth and Mars

c)

Mars and Jupiter

d)

Jupiter and Saturn

5.

They are icy bodies from dust and objects that orbit the sun.

a)

Comets

b)

Asteroids

c)

Meteors

d)

Meteoroids

6.

What is a piece of rock that burns up as it passes through the earth's atmosphere like a shooting star?

a)

asteroid

b)

meteoroid

c)

comet

d)

meteor

7.

......... uses mirrors

a)

Reflecting telescope

b)

Refracting telescope

c)

Both of them

d)

None of them

8.

According to Newton's law of universal gravitation :

a)

the bigger you are , the smaller your gravity

b)

the bigger you are , the bigger your gravity

c)

the smaller you are , the bigger your gravity

d)

Size of the object and its gravity are not related

9.

......... consist of head and tail

a)

Asteroids

b)

Comets

c)

Meteors

d)

Planets

10.

A natural chunk of space rock or dust still outside of Earth’s atmosphere.

a)

meteor

b)

meteorites

c)

meteoroid

11.

....... can be very helpful for viewing dark objects that are far away

a)

Reflecting telescope

b)

Refracting telescope

12.

....... uses glass lenses ( like a magnifying glass )

a)

Refracting telescope

b)

Reflecting telescope

c)

Both of them

d)

none

13.
A celestial body that revolves around a planet.
a)
moon
b)
star
c)
comet
d)
meteor
14.

A natural chunk of rock or dust existing outside of Earth’s atmosphere.

a)

meteor

b)

meteorites

c)

Meteoroids

15.
Any of the planets Jupiter, Saturn, Uranus, and Neptune, whose orbits lie beyond the asteroid belt.
a)
Asteroid Belt
b)
Solar System
c)
Inner Planet
d)
Outer Planet
16.
Any of the rocky, terrestrial planets of Mercury, Venus, Earth, and Mars, whose orbits are inside the asteroid belt.
a)
Asteroid Belt
b)
Solar System
c)
Inner Planet
d)
Outer Planet
17.

Which planets are made primarily of rock?

a)

Gas Giants

b)

Terrestrial

18.

Which planets have more density ?

a)

Terrestrial planets

b)

Jovian planets

19.

Hydrogen gas can be found in a solid state on :

a)

Terrestrial planets

b)

Jovian planets

20.

Jovian planets are ....... in size

a)

smaller

b)

bigger

21.
Any of the planets Jupiter, Saturn, Uranus, and Neptune, whose orbits lie beyond the asteroid belt.
a)
Asteroid Belt
b)
Solar System
c)
Inner Planet
d)
Outer Planet
22.
Large and small rocks or metallic masses orbiting the Sun; made up of materials similar to those that formed the planets.
a)
asteroid
b)
comet
c)
meteor
d)
meteroid
23.

Which one of the following planets has the highest number of moons ?

a)

Jupiter

b)

Mars

c)

Saturn

d)

Uranus

24.

........ are the biggest units that form the universe

a)

Planets

b)

Stars

c)

Galaxies

d)

The sun

25.

According to Newton , The force of attraction between any 2 objects depend on :

a)

Length and width

b)

Size and volume

c)

Size and distance

d)

Velocity of the 2 objects