WorksheetsQ1.2A THEORIES, SCIENTISTS (TH)
Total questions: 25
Worksheet time: 23mins
The Big Bang Theory
Which of the following is not true of a scientific theory ?
a theory can be based off a model or an explanation
you do not need evidence to form a theory
a theory is based on results
Theories can change when....
we discover new information and new technology
whenever the scientist decides
the decade changes
cows jump over the moon
What theory is closely associated with the big bang theory?
The heliocentric model
The geocentric model
The shrinking universe
The expanding universe
What does helio mean?
earth
jupiter
sun
pluto
What does geo mean?
earth
sun
pluto
jupiter
What scientist discovered the Geocentric Model?
Ptolemy
Copernicus
Galileo
Plato
What scientist discovered the Heliocentric Model?
Copernicus
Galileo
Ptolemy
Plato
Where is Earth positioned in the Geocentric model
in the center
on the outside
to the right
to the left
Which model states that the Sun is positioned at the center of the universe?
Heliocentric
Geocentric
Who supported Copernicus's Heliocentric Model
Galileo
Plato
Ptolemy
No one
Hubble detected a red shift in the light from all objects within galaxies he observed. This would indicate-
an implosion of the universe
all galaxies are moving away from all other objects
a counterclockwise moment of the universe
a clockwise motion in the universe
What is most likely to be found in a nebula?
Planets
Asteroids
Salt crystals
Gas clouds
The solar nebula that formed our solar system was thought to be put in motion by a -
nearby supernova
black hole
creative intelligence
condensation nucleus
The process that changes hydrogen to helium in a star is called-
nuclear fusion
transformation
nebulization
radioactive decay
The Milky Way Galaxy
an increase (or decrease) in the frequency of sound, light, or other waves
is the galaxy that contains our Solar System
a particle attracts every other particle in the universe
an interstellar cloud of dust, hydrogen, helium and other ionized gases
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 a form of _________.
Matter
Energy
Visible Light
Water
As galaxies move away from our galaxy
a shift on the electromagnetic spectrum
(EMS) is noticed. This phenomena is
called _____________.
redshift
blueshift
unshift
blackshift
