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Solar System Review 24-25

Total questions: 50

Worksheet time: 25mins

Name
Class
Date
1.

Which object orbits object X?

a)

Object A

b)

Object B

c)

Object C

2.

What is responsible for keeping planets in orbit around the sun?

a)

density

b)

gravity

c)

photosynthesis

3.

The planets orbit around the sun because the sun has the greatest ____________.

a)

weight

b)

diameter

c)

mass

4.

Which happened first to form the solar system?

a)

Orbital paths began to form.

b)

Particles began to clump together in the orbital paths.

c)

There was a large cloud of particles and dust.

5.

What does this model of the solar system show?

a)

how the planets orbit the sub

b)

the relative size of each planet

c)

the gravitational force exerted by each planet

6.

What keeps the moon in orbit around Earth?

a)

tension

b)

magnetism

c)

gravity

7.

Which statements correctly describe a difference in our solar system's inner planets and outer planets due to gravitational effects?

a)

inner planets are larger

b)

outer planets are larger

c)

inner planets are more spread apart

d)

outer planets are more spread apart

8.

What is the solar system?

a)

The sun

b)

The planets

c)

The sun and planets ONLY

d)

The sun, planets, and all other objects that orbit the sun

9.

Which planet is the closest to our sun?

a)

Mars

b)

Earth

c)

Mercury

d)

Venus

10.

Which planet is the farthest away from our sun?

a)

Mars

b)

Jupiter

c)

Neptune

d)

Uranus

11.

Is Pluto still considered a planet?

a)

Yes, Pluto is still a planet because it still orbits the sun

b)

Yes, Pluto is considered a planet because it is big enough to be a planet

c)

No, pluto is not considered a planet because it is too small, and it its orbit is affected by another star

d)

No, because pluto does not have any moons.

12.

One AU stands for Astronomical Unit. An Astronomical Unit (AU) is the distance between The Sun and the Earth, or 150 million meters. If Jupiter is 5 AU away from the Sun, how far way is Jupiter from the sun in Meters?

a)

5 million meters away from the sun

b)

1000 million meters away from the sun

c)

750 million meters away from the sun

d)

7500 million meters away from the sun

13.

If Earth is 1 AU away from the sun, and Neptune is 30 AU away from the sun, what does this mean?

a)

Neptune is 30 years older than the Earth

b)

Neptune is 30 times larger than Earth

c)

Neptune is 30 times farther away from the sun than the Earth

14.

Why do scientists use scale to study the Solar System?

a)

The solar system is too large to study without using scale

b)

The solar system is too small to study without using scale

c)

Scientists don't need to use scale because we have satelites

d)

All of the above

15.

Galaxies are:

a)

groups of asteroids

b)

groups of planets

c)

groups of stars, gas and dust.

d)

group of satellites

16.

What takes up 99.8% of the mass in the solar system?

a)

The moon

b)

The sun

c)

Jupiter

d)

Saturn

17.

This marks the boundary of our solar system.

a)

Asteroid Belt

b)

Kuiper Belt

c)

Comet Belt

d)

Oort Cloud

18.

What belt separates the Rocky Planets and the Gas Giants ?

a)

Kuiper Belt

b)

Asteroid Belt

c)

Comet Belt

d)

Joivian Belt

19.
What is similar about all of the Outer Planets?
a)
small
b)
large
c)
few moons
d)
takes a short amount of time to go around the sun
20.
Which one takes 24 hours?
a)
rotation
b)
revolution
21.
What describes the earth going around the sun?
a)
rotation
b)
revolution
22.
What causes day and night?
a)
rotation
b)
revolution
23.
Which one takes one year?
a)
rotation
b)
revolution
24.
Why is space travel difficult for people?
a)
We cannot take the air or food we need into space
b)
the distance are very great; it is dangerous and expensive.
c)
It is impossible to escape the sun's or Earth's gravity.
d)
We do not have a destination to visit that we know will support life.
25.

The average distance between the Earth and the Sun

a)

Prograde

b)

Retrograde

c)

Light Year

d)

Astronomical Unit

26.

A planet passes a point in its orbit on August 31, 1997. The next time it passes the same point in its orbit is September 24, 2081. About how long is a year for that planet?

a)

42 Earth years

b)

76 Earth years

c)

84 Earth years

d)

Cannot be determined

27.

What two factors cause the seasons?

a)

Rotation and tilt of the Earth

b)

Earth's distance to the Sun and it's revolution

c)

Earth's orbit and it's tilt relative to the Sun

d)

Solar intensity and the atmosphere

28.

What type of eclipse is occuring in the image?

a)

Tidal Eclipse

b)

Solar Eclipse

c)

Annual Eclipse

d)

Lunar Eclipse

29.

The image below shows a total lunar eclipse. What image shows the corresponding positions of the Earth, Moon and Sun?

a)
b)
c)
d)
30.

When the Moon is in the position shown, how would the Moon look from Earth?

a)
b)
c)
d)
31.

What is the best explanation of Moon phases?

a)

As the Moon passes behind Earth it is covered by Earth's shadow.

b)

As the Moon orbits Earth we see different amounts of the illuminated side of the Moon.

c)

Clouds in the sky block parts of the Moon from view.

d)

The Moon is brighter when it is closer to the Sun.

32.

When the Moon is in the position shown, how would the Moon look to an observer on the North Pole?

a)
b)
c)
d)
33.

When a celestial object turns on an axis what is that movement called?

a)

Rotation

b)

Revolution

c)

Round

d)

Spinning

34.

Which of the following is NOT true about Earth's rotation?

a)

Earth's rotation takes approximately 24 hours.

b)

Earth's rotation determines 1 day on Earth.

c)

Earth's rotation causes predictable day and night cycles.

d)

The Earth is rotating in clockwise direction. This causes the Sun on Earth to rise in the east and set in the west each day.

35.

The motion of objects in the solar system revolving or traveling completely around other objects including the Earth and Moon can be referred to as what?

a)

Rotation

b)

Revolution

c)

Orbit

d)

Hovering

36.

Approximately how many days is Earth's revolution?

a)

365

b)

365.50

c)

365.24

d)

364

37.
Most comets originate in the ________.
a)
asteroid belt
b)
Milky Way
c)
Kuiper belt
d)
Oort Cloud
38.

Which planet is so light that it can float on water?

a)

Mercury

b)

Earth

c)

Jupiter

d)

Saturn

39.

Which of these is true about outer planets? Select all that apply.

a)

Larger than inner planets

b)

Mainly made of gas

c)

Known since Ancient times

d)

All have rings

e)

All have been better explored than inner planets

40.

Which is the hottest planet in our solar system?

a)

Mercury

b)

Mars

c)

Venus

d)

Uranus

41.

Which is the coldest planet in our solar system?

a)

Neptune

b)

Saturn

c)

Jupiter

d)

Mars

42.

Which one is NOT an Outer Planet Characteristic?

a)

more dense

b)

made of mostly gases

c)

further away

d)

larger

43.

When mass increases, Gravity _______________?

a)

increases

b)

decreases

c)

stays the same

d)

is not affected

44.

When the distance increases between 2 objects, the gravitational pull _________________.

a)

decreases

b)

increases

c)

stays the same

d)

is not affected

45.

What is at the middle of a Heliocentric system?

a)

Mars

b)

Moon

c)

Sun

d)

Earth

46.

What is at the middle of a Geocentric system?

a)

Sun

b)

Neptune

c)

Earth

d)

The Universe

47.

What does the Geocentric system look like?

a)
b)
c)
d)
48.

What does the Heliocentric system look like?

a)
b)
c)
d)
49.

What is the primary reason for the phases of the Moon?

a)

The Moon's rotation on its axis

b)

The Earth's shadow covering the Moon

c)

The Moon's orbit around the Earth

d)

The Sun's position relative to the Earth

50.

What is the main component of the Sun?

a)

Oxygen

b)

Hydrogen

c)

Carbon

d)

Helium