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WorksheetsSpace Unit Test
Total questions: 15
Worksheet time: 8mins
Match the correct word and definition together.
Kepler’s Second Law
Planets move across the same amount of area in the same amount of time
Sun’s Core
Location of nuclear fusion that produces energy
Kepler’s First Law
Planets move in elliptical paths around the sun
Kepler’s Third Law
A planet’s orbital period squared is proportional to its distance from the sun cubed
Cosmic background radiation
Radiation left from the Big Bang
Energy produced in our sun’s core moves through space to Earth by _____.
A. Radiation
B. Radiation and fusion
C. Convection and fusion
D. Fusion
The sun produces energy by fusing hydrogen into ________.
Hydrogen
Oxygen
Carbon
Helium
Energy is produced in the ______________________ layer of the Sun.
Core
Radiation zone
Convection zone
Photosphere
Regardless of size, all stars begin as a _______________.
Red Giant
Supernova
Main Sequence Star
Nebula
Directions: What is the first stage in the lifespan of our sun? Hint: after protostar...
Main Sequence
Red Giant
White Dwarf
Nebula
Which of the following is evidence for the Big Bang Theory?
Cosmic Microwave Background Radiation
The existence of black holes
The presence of dark matter
The theory of relativity
Which of the following is evidence for the Big Bang Theory?
The existence of cosmic microwave background radiation
The presence of dark matter in the universe
The theory of general relativity
The abundance of hydrogen and helium in the universe
What happens when a star becomes a white dwarf?
It's going to its next life
It's becoming another star
It cools and dies
It gets bigger
In the Nebula stage, _____ pulls particles together to create a protostar.
air
gravity
space
fusion
Fusion begins in the ____ star stage.
end
star
white dwarf
protostar
In our sun, in the convection zone, energy...
convects
radiates
spreads
goes in
In our sun, after the core, is the _____ zone.
convection
radiation
middle
conversion
In the big bang theory, the three pieces of evidence are... (choose all that are correct)
background radiation
nebulization
red shift
elements in space
Scientists are able to predict a planets orbit using...
kepler's laws
space
fusion and convection
mathematics
