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Science Department,, Hw Sheet 3,,G9

Total questions: 37

Worksheet time: 37mins

Name
Class
Date
1.

The order of the planets...

a)

Mercury, venus, mars, earth

b)

venus,mercury,jupitor,mars

c)

mercury, venus earth, mars

d)

mercury, venus, earth, mercury

2.

which planet is the smallest?

a)

mars

b)

venus

c)

mercury

d)

jupiters moons

3.

the coldest inner planet.......

a)

mars

b)

earth

c)

mercury

d)

2.5 days

4.

Why is mars red?

a)

food dye

b)

the soil

c)

mother nature

d)

rocket fuel

5.

The biggest inner planet is...

a)

mercury

b)

Venus

c)

Mars

d)

Earth

6.

how many moons do all of the inner planets have combined.

a)

3

b)

19

c)

23

d)

97

7.

Which planet is the hottest?

a)

Mars

b)

Venus

c)

Earth

d)

Mercury

8.

Which planet has an atmosphere that allows life?

a)

Mars

b)

Venus

c)

Earth

d)

Mercury

9.

Which two inner planets are known as "twin planets?"

a)

Venus and Mars

b)

Mars and Earth

c)

Venus and Earth

10.

Which planet is called the red planet?

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

11.

71% of this planet is water.

a)

Mars

b)

Mercury

c)

Earth

d)

Venus

12.

This planet is covered in toxic clouds.

a)

Mars

b)

Earth

c)

Venus

d)

Mercury

13.

Mercury, Venus, Earth, and Mars are known as what type of planets?

a)

Terrestrial Planets

b)

Javian Planets

14.

If you wanted to find an asteroid with a telescope, where would be the best place to look?

a)

Between Mars and Jupiter

b)

Between Earth and Venus

c)

Between Jupiter and Saturn

d)

Between Mercury and Venus

15.

Which planet has no atmosphere?

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

16.
Mars has a red surface because of what mineral?
a)
iron
b)
lead
c)
plastic
d)
gold
17.
Which two inner planets have no moons?
a)
Earth and Mars
b)
Mars and Venus
c)
Mercury and Venus
d)
Venus and Mars
18.

The planets that are deemed the inner planets can be described as the following: Pick 3

a)

Rocky

b)

Metallic

c)

Gaseous

d)

Terrestrial

19.

The planet that is closest to the asteroid belt is

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

20.

This planet has a THICK, toxic atmosphere which makes it unable to sustain life

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

21.

This planet is the hottest planet due to the Greenhouse Effect

(a)  

22.

Which planet is the smallest

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

23.

How many natural satellites does Earth have?

a)

1

b)

2

c)

3

d)

4

24.

All planets revolve around the sun in __________________ orbits

a)

Circular

b)

Triangular

c)

Rectangular

d)

Elliptical

25.

Each planet revolves around the Sun in its own orbit because of _______

a)

the planet weight

b)

the sun's gravitational force

c)

invisible forces from outer space

26.

The longer it takes for a plant to revolve around the sun

a)

the longer its year

b)

the longer its day

c)

the shorter its year

d)

the bigger the size of the planet

27.

Identify the planet:

period of rotation = 24 hours

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

28.

Identify the planet:

period of rotation = 244 days

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

29.

Identify the planet:

period of revolution = 1.88 years

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

30.

Identify the planet:

has 2 moons

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

31.

Because Mercury’s mass is so small, it

a)

does not rotate.

b)

has no atmosphere.

c)

has a surface that is not solid.

32.

Which inner planet has the longest period of revolution and why?

a)

Venus, because it spins very slowly

b)

Mercury, because it is closest to the Sun

c)

Mars, because it is farthest from the Sun

33.
The average distance between the earth and the sun is the 
a)
astronomical unit 
b)
Light year
34.

1 A.U. =

a)

1.5 x 1012 km

b)

9.5 x 1012 km

c)

1.5 x 108 km

d)

9.5 x 108 km

35.

How far is Mars in the Astronomical unit?

a)
41 AU
b)

0.39 AU

c)

1.52 AU

d)

1 AU

36.

Which unit of measurement is used to measure distances within our solar system?

a)

inches

b)

kilometers

c)

miles

d)

Astronomical units

37.

Which correctly states the distances from Earth, from closest to farthest?

a)

Sun, Moon, Pluto, Asteroid Belt, Milky Way Galaxy

b)

Moon, Sun, Asteroid Belt, Pluto, Milky Way Galaxy

c)

Sun, Moon, Pluto, Asteroid Belt, Milky Way Galaxy

d)

Moon, Sun, Pluto, Asteroid Belt, Milky Way Galaxy