WorksheetsUnit 1 Astronomy Test Practice
Total questions: 25
Worksheet time: 19mins
The universe is approximately how old?
130 million years old
14 billion years old
60 billion years old
3.49 million years old
Our solar system formed from a giant rotating cloud of dust and gas called
Nebula
Solar flare
Solar storm
Big Bang
Gamma rays, X-rays, visible light, and radio waves are all types of
Nuclear energy
Ultraviolet radiation
Low energy waves
Electromagnetic radiation
Seasons are caused by
Earth's distance from the sun
Precession
Earth's tilted axis
Earth's rotation
The point at which two bodies which orbit each other are balanced is called the:
Barycenter
Equator
Focus
Rotation
Which of the following is NOT addressed by one of Kepler’s Laws?
The time it takes to revolve around the sun in relation to its distance from the Sun
The fact that when planets are closer to the sun they move faster, and when they are farther away they move slower
The fact that the orbit of planets which revolve around the sun is elliptical rather than circular
Not only are planets pulled by the sun, the sun is pulled by the planets
The unit used to measure Earth’s average distance from the sun is called:
A kepler
A light year
An Earth year
An Astronomical Unit (AU)
At what position is the Sun and Moon when spring tides occur?
Moon Placement Does Not Affect Tides
Full Moon/New Moon
First Quarter/Third Quarter
Waxing Crescent/Waning Crescent
In Ptolemy’s geocentric model, _____________ is at the center of the universe.
Earth
The Sun
Mars
Saturn
In our solar system, the planets travel around the Sun in regular paths called
Spheres
Ovals
Orbits
Rotations
Which object is largest?
Globular cluster
Star
Satellite
Galaxy
The theory of how we got our moon from a proto-planet colliding with Earth
The Big Bang Theory
Giant Impact Theory
The Great Hit Theory
The Comet Strike Theory
Which scientist proposed three laws of planetary motion?
Kepler
Newton
Copernicus
Galileo
Earth's tilt is
35 degrees
27 degrees
13 degrees
23.5 degrees
Distances in the Solar System are often measured in Astronomical Units (AU). One AU is equivalent to
the distance from the Sun to the Earth
when it is at aphelion
the distance light travels in one year
the distance from the Earth to the Moon
the distance from the Earth to the Sun
What process produces the Sun’s energy
solar flares
electromagnetic waves
nuclear fusion in the Sun’s core
nuclear fission on the Sun’s surface
The force that holds the galaxies together is
Acceleration
Newton's first law
gravity
mystery
All of the planets in our solar sytem revolve around
the sun
Jupiter
the moon
The shape of our Milky Way galaxy is
elliptical
spiral
irregular
Which is bigger: our galaxy or our solar system?
our galaxy
our solar system
Where is our solar system located on the Milky Way?
We are not located in the Milky Way
on the outer rim
in the center
Which season is taking place in the Northern Hemisphere in Position 1?
Winter
Spring
Summer
Fall
