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Solar System Review 1

Total questions: 45

Worksheet time: 30mins

Name
Class
Date
1.
Why does the sun appear so much larger and brighter than other stars?
a)
it's larger
b)
it's more powerful
c)
it's closer
d)
it's further away
2.
What did ancient people use stars and constellations for?
a)
art
b)
counting
c)
navigation
d)
light
3.
What is a tool that can identify which constellations are visible in the night sky?
a)
globe
b)
planisphere
c)
compass
d)
binoculars
4.
Why do we only see certain constellations at certain times of the year?
a)
Earth's orbit around the sun
b)
Earth's rotation
c)
the movement of the stars
d)
the sun's motion
5.
Which is the brightest star in the sky?
a)
Betelgeuse
b)
Rigel
c)
Sirius
d)
Antares
6.
Stars that are farther away appear smaller and what?
a)
dimmer
b)
brighter
c)
same brightness
d)
none of the above
7.
Why does the sun appear so much larger and brighter than other stars?
a)
it's larger
b)
it's more powerful
c)
it's closer
d)
it's further away
8.

What color are the hottest star?

a)

Red

b)

Yellow

c)

Orange

d)

Blue

9.

The color of star tell us its________.

a)

magnitude

b)

age

c)

temperature

d)

size

10.

Why does the Sun look so big to us?

a)

Because it is the biggest star.

b)

Because it is farthest star from Earth.

c)

Because it is the closest star to Earth.

d)

Because it is the hottest star.

11.

Why can't we see the stars during the day?

a)

other stars are too small to see during the day

b)

the sun is so much bigger than other stars that we can't see them from Earth during the day

c)

the sun is so brighter that we can't see other stars during the day

d)

Other stars aren't close enough to see

12.

The sun is rotating.

a)

True

b)

False

13.

Which factor has the greatest effect on a star's apparent brightness?

a)

mass

b)

volume

c)

distance

d)

temperature

14.

How bright a star appears to be from a distance is called the star's...

a)

luminosity

b)

true brightness

c)

apparent brightness

d)

absolute brightness

15.

This is a special lens used to see farther into space.

a)

rover

b)

telescope

c)

lander

d)

probe

16.

A space rock that hits the site on Earth is called...

a)

meteor

b)

asteroid

c)

comet

d)

meteorite

17.

A dirty snowball in space that orbits the sun in long elliptical orbits is called...

a)

comet

b)

asteroid

c)

meteor

d)

meteorite

18.

A large space rock that orbits the sun between Mars and Jupiter.

a)

comet

b)

meteoroid

c)

asteroid

d)

meteorite

19.

A space rock that burns in the Earth's atmosphere; "shooting star".

a)

meteorite

b)

meteor

c)

meteoroid

d)

comet

20.

A space rock in the void of space is called...

a)

meteoroid

b)

meteor

c)

comet

d)

meteorite

21.

What are two characteristics of inner planets?

a)

rocky composition

b)

large in size

c)

long orbit around the sun

d)

short orbit around the sun

e)

colder temperatures

22.

What are two characteristics of outer planets

a)

shorter year

b)

gaseous composition

c)

many moons

d)

hotter temperatures

e)

no rings

23.

Put the planets in order from the sun.

a)

Mercury, Mars, Venus, Earth, Neptune, Uranus, Saturn, Jupiter

b)

Jupiter, Saturn, Uranus, Neptune, Earth, Venus, Mars, Mercury

c)

Earth, Mars, Mercury, Saturn, Jupiter, Venus, Uranus, Neptune

d)

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

24.

How are moons different from planets?

a)

moons orbit planets

b)

moons orbit stars

c)

planets make their own light

d)

moons are larger than planets

25.

What are two characteristics of our sun?

a)

It is the only star in our solar system.

b)

It is the largest star in the universe.

c)

It is the hottest star.

d)

It is a yellow dwarf star.

e)

It is the only star with planets.

26.

What keeps all the planets in orbit around the sun?

a)

Earth's gravity

b)

The moon's gravity

c)

The sun's gravity

d)

The asteroid belt's gravity

27.

What causes a planet to have day and night?

a)

Rotation

b)

Revolution

c)

Orbiting around the sun

d)

Sun's gravity

28.

What causes a planet to have a year?

a)

Rotation

b)

Revolution

c)

The moon's orbit

d)

The moon's gravity

29.

What is a constellation?

a)

A group of stars that form a pattern in the sky.

b)

A type of planet that orbits a star.

c)

A collection of galaxies in the universe.

d)

A phenomenon that occurs during a solar eclipse.

30.

Rocky objects orbiting the Sun are called what?

a)

moons

b)

stars

c)

asteroids

d)

gases

31.

A _________ is a mixture of frozen gases, dust, and rock that move in an elliptical orbit around the sun.

a)

comet

b)

meteor

c)

moon

d)

asteroid

32.

Pluto was once known as the ninth planet. It is now considered a _______.

a)

asteroid

b)

dwarf planet

c)

moon

d)

gas giant

33.

How many planets are in our solar system?

a)

6

b)

8

c)

9

d)

10

34.

Large, round bodies that revolve around a star are called ________.

a)

moons

b)

asteroids

c)

suns

d)

planets

35.

What planet has life, water, and an atmosphere?

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

36.

When an apple falls to the ground, what is happening?

a)

Gravity pushes the apple up, away from the Earth.

b)

Gravity pulls the apple down, towards the Earth.

c)

Magnetism pushes the apple up, away from the Earth.

d)

Magnetism pulls the apple down, towards the Earth.

37.

Which of the following statements about gravity and magnetism is NOT true?

a)

Gravity and magnetism are both invisible forces.

b)

Gravity and magnetism can both pull on objects.

c)

Gravity pulls on everything, but magnetism only pulls on magnetic objects.

d)

Gravity pulls only on magnetic objects, but magnetism pulls on everything.

38.

Why can you jump higher on the Moon than on Earth?

a)

You can jump higher on the Moon because it has more gravity than Earth.

b)

Since the Moon has less mass than the Earth it will have less gravity. Therefore, it doesn't pull as much as the Earth. That is why you jump higher.

c)

Since the Moon has more mas than the Earth, the Moon will pull more and therefore you will jump higher than on Earth.

d)

You will jump higher on the Moon because it has less gravity than the Earth.

39.

Which of the following has the strongest gravitational pull?

a)

The Earth

b)

The Sun

c)

Mars

d)

Jupiter

e)

The Moon

40.

Which scientist was credited with first describing gravity? (Hint: An apple fell on his head.)

a)

Thomas Edison

b)

Bill Gates

c)

Mr. C

d)

Isaac Newton

41.

What do we call the force of gravity on an object?

a)

weight

b)

mass

c)

speed

42.

What effect does the Earth's gravity have on us?

a)

It lets us float.

b)

It pulls us to the Earth.

c)

We are too small for it to effect us.

d)

It moves us around in circles.

43.

This force attracts all objects toward each other.

a)

electricity

b)

gravity

c)

weight

d)

magnetism

44.

A person would weigh more on Jupiter than on Earth because_____________________.

a)

Jupiter has less mass, and therefore less gravity.

b)

Jupiter has more mass, and therefore less gravity.

c)

Jupiter has less mass, and therefore more gravity.

d)

Jupiter has more mass, and therefore more gravity.

45.

If a person weighs 100 pounds on Earth, calculate how much that person would weigh on Jupiter. (Jupiter has 4 times the amount of gravity than Earth does).

a)

100 pounds

b)

400 pounds

c)

300 pounds

d)

44.0 pounds