NEW
Font size
WorksheetsGeoscience Unit 2 Exam Review
Total questions: 52
Worksheet time: 13hrs 31mins
Which of these is not part of the study of geoscience?
What future societies might live on Earth or other planets
How the Earth and its surroundings were made
What the Earth and its surroundings are made of
Processes that continue to shape the Earth and its surroundings
What did Edwin Hubble's discoveries lead to?
The idea that the universe is expanding
The discovery of aliens
Cosmic background radiation
Dark matter
Most scientists believe the Big Bang Theory explains which of the following questions?
How our planets and moons formed
How our universe began
How the sun turns hydrogen into helium
How fast light travels through space
Light emitted from a star or galaxy can be separated into a band of colors, called a ________.
Red Shift
Wave Length
Spectrum
Microwave
Cosmic microwave background radiation is:
the remaining energy from the big bang.
incredibly hot.
visible to the human eye.
only located in certain places in the universe.
What color of star is the hottest?
Blue
Red
Yellow
Orange
What is the name of the explosion at the death of a massive star?
Supergiant
Supernova
Black Hole
Nebula
______ is a force that causes dust particles to stick together in a nebula.
nuclear fusion
gravity
hydrogen
friction
Most stars are made of which elements?
Hydrogen only
Hydrogen and Lithium
Hydrogen and Sodium
Hydrogen and Helium
Light can escape a black hole.
True
False
What are stars?
Rocky bodies
A giant ball of gas that emits light
5 pointed shapes
Hollywood actors
What path a star takes in its life cycle is determined by its ____.
luminosity
color
distance from Earth
mass
Luminosity is...
a stars core temperature.
how far the star is.
what color the star is.
how much light a star gives off.
Hertzsprung & Russell created a graph of stars plotting....
luminosity vs. temperature.
luminosity vs distance.
color vs. temperature.
temperature vs. distance.
As the earth rotates on its axis, the constellations and stars appear to _________.
move closer to the earth
stand still in the sky
move in a circle
get brighter and brighter
The sky is divided into ____ constellations.
11
22
44
88
What property of stars allows scientists to study them?
Their mass
The light they give off
Their size
Their density
Why are different stars visible in different seasons?
The Earth's rotation on its axis
The stars are moving in space
The Earth's movement towards these stars
The Earth's revolution around the sun
Which of these is could NOT describe the actual motion of stars?
Moving towards or away from the Earth
Revolving around the Earth
Revolving around another star
Rotating on an axis
What process causes stars to give off light?
Nuclear fusion
Nuclear fission
Electromagnetic radiation
They just give off light naturally
What is the largest classification group for objects in the universe?
Star cluster
Binary star
Solar system
Galaxy
What are the two most common elements in stars?
Helium and oxygen
Hydrogen and oxygen
Hydrogren and helium
Oxygen and neon
A light year is a measure of
Time
Distance
Speed
Energy
What do astronomers know about quasars?
Quasars are planets
Quasars are stars
Quasars can often be an indication of a black hole
Quasars and neutron stars are the same thing
A very large and bright star whose hot core has used most of its hydrogen
Cosmology
Nova
Black hole
Red Giant or Giant Star
An object so massive and dense that even light can't escape its gravity
Pulsar
Black hole
Constellation
Galaxy
One of 88 regions into which the sky has been divided; a group of stars organized in a recognizable pattern
Cosmology
Star
Galaxy
Constellation
The study of the origin, properties, processes, and evolution of the universe
Astronomy
Cosmology
Geoscience
Chemistry
A collection of stars, dust, and gas bound together by gravity
Galaxy
Planet
Nuclear fusion
Constellation
The process by which two hydrogen atoms combine to form a helium atom + energy in the form of light
Nuclear fusion
Pulsar
Doppler effect
Nebula
A large thing in the sky made of gas that emits light
Black hole
Galaxy
Spaceship
Star
An observed change in the frequency of a wave when the source or the observer is moving.
Cosmology
Doppler effect
Nuclear fusion
The Big Bang Theory
Stuff
Dark matter
Dark energy
Both
Interacts gravitationally
Dark matter
Dark energy
Both
Pulls stuff closer together
Dark matter
Dark energy
Both
Holds different galaxies/solar systems together
Dark matter
Dark energy
Both
Doesn't give off light
Dark matter
Dark energy
Both
We don't know what it's made of, probably a particle we don't know exists yet
Dark matter
Dark energy
Both
Make up large portions of the universe
Dark matter
Dark energy
Both
A force
Dark matter
Dark energy
Both
Opposes gravity
Dark matter
Dark energy
Both
The reason why the universe is expanding
Dark matter
Dark energy
Both
What type of galaxy is this?
Spiral galaxy
Elliptical galaxy
Irregular galaxy
What type of galaxy is this?
Spiral galaxy
Elliptical galaxy
Irregular galaxy
What type of galaxy is this?
Spiral galaxy
Elliptical galaxy
Irregular galaxy
What is the CAUSE of the Big Bang?
Cosmic background radiation
Galaxies
Nuclear fusion
We don't know
Which of these happens FIRST in the life cycle of a massive star?
Supergiant
Black hole
Nebula
Neutron star
What causes supergiants to collapse and explode in supernovas?
Gravity
Nebulas
Black holes
Dark matter
A white dwarf forms from a _______ massive star.
Less
More
Equal
What causes a nebula to come together to form a star?
Gravity
Dark energy
Supernovas
Neutron stars
