WorksheetsUnit 5b: Earth and Space
Total questions: 28
Worksheet time: 14mins
Name
Class
Date
1.
What is one difference between comets and asteroids?
a)
Comets are made of ice and dust. Asteroids are made of rock.
b)
Asteroids are made of ice and dust. Comets are made of rock.
c)
Comets are not in our solar system. Asteroids are.
d)
Asteroids do not orbit the sun. Comets do.
2.
What is one similarity between comets and asteroids?
a)
Both are made of rock.
b)
Both are made of ice and dust.
c)
Both orbit the sun.
d)
Neither of them are found in our solar system.
3.
Name one difference between the inner and outer planets.
a)
Inner planets are rocky. Outer planets are mostly liquid.
b)
Inner planets are rocky. Outer planets are made of gas.
c)
Inner planets are larger.
d)
Inner planets are farther from the sun.
4.
Name one similarity between the inner and outer planets.
a)
Both orbit the sun.
b)
Both are rocky.
c)
All planets have moons.
d)
Both are gaseous.
5.
Which planet is considered Earth's sister planet?
a)
Mercury
b)
Venus
c)
Earth
d)
Mars
6.
Which planet has a rocky surface?
a)
Jupiter
b)
Neptune
c)
Mars
d)
Saturn
7.
Which choice below lists the correct order of the planets from the Sun?
a)
Mercury, Venus, Earth, Jupiter
b)
Earth, Mercury, Venus, Mars
c)
Mercury, Venus, Earth, Mars
d)
Jupiter, Saturn, Uranus, Earth
8.
What do Mercury, Venus, Earth, and Mars all have in common?
a)
They are all rocky planets.
b)
They are all gaseous planets.
c)
They are all larger than Jupiter.
d)
They all have 5 moons.
9.
What is true about planets and asteroids?
a)
They are round.
b)
They have an atmosphere.
c)
They have cleared their orbits.
d)
They revolve around the Sun.
10.
Which space object is frozen mass of ice and dust?
a)
asteroid
b)
space probe
c)
dwarf planet
d)
comet
11.
If you build a model of the solar system, which of the following should your model show?
a)
The sun moving in orbit around Saturn.
b)
The Earth moving in orbit around Jupiter.
c)
Earth moving in orbit around the moon.
d)
The moon moving in an orbit around Earth.
12.
Which of the following space objects burns up through Earth's atmosphere?
a)
Meteorite
b)
Meteor
c)
Meteoroid
d)
Comet
13.
Which of the following space objects lands on Earth?
a)
Meteor
b)
Meteorite
c)
Meteoroid
d)
Comet
14.
What keeps the planets in orbit around the Sun?
a)
the tilt
b)
rotation
c)
the seasons
d)
gravity
15.
What is the center of our solar system?
a)
Earth
b)
Sun
c)
Moon
d)
Asteroids
16.
How many stars are in our solar system?
a)
1
b)
100
c)
1 million
d)
There are too many to count.
17.
Why are years on some planets longer than years on other planets?
a)
Some planets take more time to spin on their axes.
b)
Some planets have heavier atmospheres.
c)
Some planets take more time to orbit the Sun.
d)
Some planets are tilted toward the Sun.
18.
Why does the moon appear to change shape?
a)
Because we only see the part of the Moon that is lit by the Sun.
b)
Because it gets bigger and smaller.
c)
Because sometimes it is cloudy.
19.
What lies between Mars and Jupiter and separates the four inner planets from the four outer planets?
a)
the Sun
b)
an atmosphere
c)
a deep ocean
d)
the asteroid belt
20.
Why are dwarf planets not planets?
a)
They have too many moons.
b)
They are too large.
c)
They rotate the wrong way.
d)
They have an irregular path around the sun.
21.
Most asteroids have what kind of shape?
a)
spherical
b)
uneven/irregular
c)
even
d)
cuboid
22.
Which statement is TRUE about stars?
a)
ALL stars are smaller and hotter than our sun.
b)
ALL stars are larger and cooler than our sun.
c)
SOME stars are larger and hotter than our sun.
d)
Our sun is not a star.
23.
Why does the sun appear larger and brighter than other stars seen from Earth?
a)
It really is brighter and bigger.
b)
It is much closer to Earth.
c)
It is the hottest star.
d)
It is farther from Earth than other stars.
24.
A ___________ is an explosive eruption of waves and particles on the sun. They are similar to volcanoes here on Earth.
a)
solar flare
b)
comet
c)
constellation
d)
space probe
25.
A ____________ is a group of stars that forms a pattern.
a)
comet
b)
constellation
c)
solar flare
d)
space probe
26.
Which of the following is NOT part of the criteria for being a planet?
a)
It must be roughly spherical.
b)
It must clear its orbit (have a regular path).
c)
It must orbit a star.
d)
It must have a rocky surface.
27.
A ____________ is a spacecraft that gathers data without a crew.
a)
constellation
b)
comet
c)
space probe
d)
astronaut
28.
TRUE or FALSE. Stars are made of gas.
a)
True
b)
False
100 %
