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Grade 7 Science Quizizz

Total questions: 65

Worksheet time: 37mins

Name
Class
Date
1.

What determines the length of a day here on Earth?

a)

the moon's rotation

b)

the Earth's revolution

c)

the moon's revolution

d)

the Earth's rotation

2.

Which of the following is FALSE?

a)

Stars orbit planets.

b)

Galaxies orbit the center of the universe.

c)

Planets orbit stars.

d)

Moons orbit planets.

3.

Which is the correct order of the moon's phases?

a)

first quarter, third quarter, new moon, full moon

b)

new moon, first quarter, full moon, third quarter

c)

new moon, full moon, first quarter, third quarter

d)

first quarter, new moon, full moon, third quarter

4.

How much of the moon's surface is lit up at all times (i.e., in space)?

a)

all of it

b)

a fourth of it

c)

half of it

d)

It varies.

5.

Which of the following is FALSE?

a)

Waxing is when we can see more and more of the moon's surface.

b)

A rotation is when an object spins one full time around its own axis.

c)

Waning is when we can see less and less of the moon's surface.

d)

A revolution is when an object orbits around its own axis.

6.

What is the approximate time that it takes for the Earth to orbit the sun?

a)

365 days

b)

24 hours

c)

30 days

d)

10 years

7.

Which phase does the moon begin with?

a)

full moon

b)

new moon

c)

first quarter

d)

last quarter

8.

The length of a month here on Earth is determined by what?

a)

the moon's revolution

b)

the Earth's rotation

c)

the moon's rotation

d)

the Earth's revolution

9.

Planets spin around

a)

their moon.

b)

their equator.

c)

their axis.

d)

their orbit.

10.

The length of one year here on Earth is determined by

a)

the Earth's revolution.

b)

the Earth's rotation.

c)

the moon's rotation.

d)

the moon's revolution.

11.

One full revolution of the moon around the Earth is approximately

a)

24 hours.

b)

28 days.

c)

365 days.

d)

5 years.

12.

What force causes orbiting?

a)

gravity

b)

magnetism

c)

mass

d)

friction

13.

What causes eclipses?

a)

gravity from the sun on Earth

b)

the rotation of the moon

c)

the layers of the sun

d)

light from the sun causing shadows

14.

One full rotation of Earth is approximately

a)

30 days.

b)

365 1/4 days.

c)

1 year.

d)

24 hours.

15.

Which of the following is NOT TRUE?

a)

A solar wind is the wind we feel here on Earth from the sun.

b)

A sunspot is a cooler area of the sun's surface (photosphere).

c)

A solar flare is a giant storm on the surface of the sun.

d)

A solar prominence is an eruption of gas from the surface of the sun.

16.
What protects life on Earth from harmful ultra violet rays?
a)
Earth's distance from the Sun
b)
Earth's tilt
c)
Moon's gravity
d)
Ozone layer
17.
Life on Earth would not be possible without which of the following?
a)
A moon & liquid water
b)
A moon and Earth's location
c)
Ozone and a moon
d)
Water & Earth's location from the Sun
18.
Within our own solar system, the most likely candidate for having life on it is:
a)
Our moon
b)
Europa ( a moon of Jupiter)
c)
Mercury
d)
Saturn
19.
Which two objects would have more gravitational forces acting between them?
a)
Earth & the Moon
b)
You and the Sun
c)
Sun and the Earth
d)
You and the Moon
20.
Why would you weigh more on Jupiter than you do on Earth?
a)
Jupiter has more mass and more gravitational pull
b)
Jupiter has less mass and less gravitational pull
c)
You would not weigh more on Jupiter
d)
Jupiter has more mass and less gravitational pull
21.
Even though orbits are ellipses, what shape is a typical planet's orbit most like?
a)
A short rectangle
b)
An egg-shape with a pointy end
c)
A long, narrow oval
d)
A circle
22.
How does the gravitational force between the Sun and the planet change as they get farther apart?
a)
 Increases
b)
Stays the same
c)
Decreases
d)
No gravitational force
23.
Many of the Moon's craters formed when:
a)
Volcanoes erupted
b)
Seas evaporated
c)
The Sun partly melted the surface
d)
Space objects hit the Moon's surface
24.
How is Venus different from Jupiter?
a)
Jupiter is a planet, Venus is a large asteroid
b)
Jupiter is a gas giant, Venus is a terrestrial planet
c)
Jupiter is a terrestrial planet, Venus is a gas giant 
d)
Jupiter has no moons, Venus has two moons
25.
The asteroid belt in our solar system is located between:
a)
Neptune & Saturn
b)
Earth & Mercury
c)
The Milky Way & Polaris
d)
Mars & Jupiter
26.
What do comets have in common with Earth?
a)
They orbit the Sun
b)
They have north and south magnetic poles 
c)
They are primarily made of ice and dust
d)
They both have a spherical shape
27.
Which of these appears in Earth's atmosphere?
a)
a moon
b)
a meteor
c)
an asteroid
d)
a comet
28.
Which of these terms best describes the makeup of most asteroids?
a)
gaseous
b)
liquid
c)
rocky 
d)
all of the above
29.
Which of the following groups are all terrestrial planets?
a)
Venus, Mars, Mercury
b)
Mars, Venus, Saturn
c)
Jupiter, Mars, Neptune
d)
Mercury, Saturn, Jupiter
30.
The spinning of an object on its axis is called______
a)
orbit
b)
rotation
c)
revolution
d)
tide
31.
This picture shows Earth's
a)
Rotation
b)
Revolution
32.
This picture shows Earth's 
a)
Rotation
b)
Revolution
33.

Which of the following is responsible for Earth's seasons?

a)

the orbit of the Earth around the Sun and Earth's rotation

b)

the orbit of the Earth around the Sun and rotation of the Sun

c)

the rotation of the Earth and the Sun

d)

the tilt of Earth's axis and its orbit around the Sun

34.
What is the correct order from largest to smallest?
a)
galaxy, universe, planet, sun
b)
planet, sun, galaxy, universe
c)
universe, galaxy, sun, planet
d)
sun, galaxy, universe, planet
35.

What are two differences between planets in our solar system?

a)

Outer planets take longer to revolve and are larger.

b)

Outer planets take longer to revolve and are smaller.

c)

Inner planets take longer to revolve and are smaller.

d)

Inner planets take longer to revolve and are larger.

36.
How long does it take from one full moon to the next full moon?
a)
About one day.
b)
About one year
c)
About one season
d)
About one month.
37.

The further a planet is from the sun the __ it is.

a)

colder

b)

hotter

c)

smaller

d)

larger

38.
What makes the moon shine at night?
a)
The moon reflects the light from the Earth.
b)
The moon provides its own light.
c)
The moon reflects the light from the sun.
d)
The moon burns like a star.
39.

Ocean tides are the result of ________.

a)

the rotation of Earth.

b)

the sun’s gravitational pull on Earth.

c)

changes in Earth’s orbital position around the sun.

d)

differences in both the sun’s and moon’s gravitational pull on Earth.

40.

Which objects make up the solar system?

a)

a sun, planets, moons, asteroids, meteoroids, comets

b)

stars, planets, a moon, an asteroid, meteoroids, comets

c)

a sun, a planet, a moon, asteroids, meteoroids, comets

d)

planets, moons, an asteroid, a meteoroid, a comet

41.
Which planets are known as gas giants?
a)
Jupiter, Saturn, Mars, Neptune
b)
Jupiter, Saturn, Uranus, Neptune
c)
Mercury, Venus, Earth, Mars
d)
Mercury, Venus, Earth, Uranus
42.
A stars color tells us about its
a)
Temperature
b)
Size 
c)
Rotation
d)
Distance from earth
43.
Which is true about stars?
a)
They exist forever
b)
They are all about the same size
c)
Their color indicates their temperature
d)
They are clouds of spinning dust and gas
44.
How is the planet Jupiter similar to the sun?
a)
It is orange
b)
It has rings
c)
It is a giant ball of gases
d)
It has several moons
45.
If scientists discovered a large, round object revolving around a star, that object would be considered a 
a)
moon
b)
planet
c)
star
d)
solar system
46.
Which is the best location for using a telescope?
a)
City
b)
Laboratory
c)
In a moving vehicle
d)
On a mountaintop
47.
The sun appears to move across the sky each day because
a)
the moon orbits Earth
b)
the sun orbits Earth
c)
the moon rotates on its axis.
d)
Earth rotates on its axis.
48.
It is a clear, dark night. You have a good view of the sky. You see plenty of stars, but you cannot see the moon. What could explain this?
a)
Light from the stars makes it hard to see the moon.
b)
There is a star or planet blocking the moon
c)
The side of the moon that's lit up is facing away from the earth. 
d)
Earth is blocking the sunlight that ordinarily reaches the moon
49.
On Monday night, you see a bright object in the sky. On Thursday night, you notice the same object in a slightly different location. This tells you that the object is
a)
Star
b)
Moon
c)
Asteroid
d)
Planet
50.

What is the 5th planet from the Sun?

a)

Saturn

b)

Jupiter

c)

Mars

d)

Neptune

51.

Jupiter, Saturn, Uranus and Neptune are called-

a)

Inner planets

b)

Outer planets

52.

Mercury, Venus, Earth, Mars are called-

a)

Outer planets

b)

Inner planets

c)

Stars

d)

Moons

53.

The Sun is a -

a)

planet

b)

giant star

c)

natural satellite

d)

an asteroid

54.

Which of these celestial bodies can sustain life?

a)

Mercury

b)

Sun

c)

Earth

d)

Moon

55.

Land forms like mountains, plains, and craters can be found on-

a)

the Sun and moon

b)

the Earth and Sun

c)

the Earth and moon

d)

All of these answer choices.

56.

What is the 7th planet from the Sun?

a)

Neptune

b)

Mars

c)

Jupiter

d)

Uranus

57.

The model shows-

a)

the moon phases.

b)

the order of the planets.

c)

the Earth, Sun and Moon

d)

All of the answer choices.

58.

The Equinox

a)

is when we have 12 hours of daylight and 12 hours of darkness.

b)

is the time when day and night are equal length. Occurs in the spring and fall.

c)

occurs on March 21 or 23, and Sept 21 or 22

d)

All of the above.

59.

The spiral-shaped galaxy where our solar system resides. It is approximately 100,000 light years across.

a)

Andromeda galaxy

b)

Orion's galaxy

c)

the Milky Way galaxy

d)

none of these

60.

Known as the Red Planet and is the fourth planet from the Sun. It is 1/2 the size of Earth, and is also a rocky planet.

a)

Mercury

b)

Venus

c)

Mars

d)

Jupiter

61.

The law of universal gravitation states that

a)

all planets have the same gravitational force.

b)

only the inner planets have a gravitational force.

c)

all objects with mass are attracted to each other or have an attractive force.

d)

none of these.

62.

What is the 8th planet from the Sun?

a)

Neptune

b)

Mars

c)

Jupiter

d)

Uranus

63.

What is the 2nd planet from the Sun?

a)

Venus

b)

Mars

c)

Jupiter

d)

Mercury

64.

What is the 3rd planet from the Sun?

a)

Venus

b)

Mars

c)

Earth

d)

Mercury

65.

What is the 6th planet from the Sun?

a)

Venus

b)

Saturn

c)

Earth

d)

Uranus

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