WorksheetsSpace Science Quiz-Mock Test
Total questions: 20
Worksheet time: 7mins
In a diagram depicting the solar system as heliocentric, what is located at the center?
Earth
the sun
the moon
Mars
Which of the following helps explain why the planets remain in motion around the sun?
density
gravity
inertia
Both gravity and inertia
Which of the following objects does NOT orbit directly around the sun?
planets
comets
moons
all of the above
Ocean tides are the result of
the rotation of Earth.
the sun’s gravitational pull on Earth.
changes in Earth’s orbital position around the sun.
differences in both the sun’s and moon’s gravitational pull on Earth.
The distance between stars is typically measured in
light-years
liometers
astronomical units
miles
Astronomers classify stars according to their
distance from Earth.
color, size, and absolute brightness.
age and parallax.
all of the above
Which of the following provides support for the big bang theory?
red shift
cosmic microwave background radiation
elliptical galaxies
both red shift and cosmic microwave radiation
Why is an astronaut in space considered "weightless"?
Their mass is so small compared to the Earth that gravity doesn't affect them.
Gravitational force decreases over long distances.
Gravitational force pushes objects away from each other at long distances
Objects far from Earth have less mass.
Which of these planets are outer planets?
Mercury, Jupiter, Saturn, Pluto
Jupiter, Saturn, Uranus, Pluto
Jupiter, Saturn, Uranus, Neptune
Saturn, Uranus, Neptune, Earth
There are _______ planets in the Solar System.
five
ten
eight
nine
The hottest planet in the Solar System is ________.
Jupiter
Saturn
Venus
Mercury
