WorksheetsOrigin of Elements Vocab
Total questions: 20
Worksheet time: 40mins
What is a Nebula?
ring of gas left after supernova
name of a band
cloud of gas and dust where stars are formed
largest known star in the universe
What is fusion?
A massive explosion that happens when all stars die.
A new star that has not ignited yet.
A nuclear process where 2 nuclei combine.
A nuclear process where a nuclei splits apart into 2 or more pieces.
A core is ...
the center of a star where nuclear fusion takes place
a ball of solid iron in the center of a star
a movie from 2005
an object so dense with so much gravity that even light cannot escape
The main sequence stage is ...
the shortest stage in a star's life cycle
the last stage in a star's life cycle
the stage of a star's life cycle that produces only heavy elements
the first stage of a star's life cycle after it ignites
After becoming a supergiant, a high mass star collapses in a massive explosion called what?
Quasar
Supernova
Nebula
Shockwave
A protostar is ...
a baby star that has not started nuclear fusion yet
a cloud of gas and dust where stars are formed
an extremely large star
the name of the stage that our Sun is currently at in its life cycle
An object that is so dense and with so much gravity that even light can not escape
Protostar
Black hole
Supernova
Core
Light elements are produced ...
during a supernova
in a protostar
in a black hole
in stars by fusion
Heavy elements are produced ...
in a neutron star
in a black hole
during a supernova
in stars by fusion
An example of a man-made element, an element not found in nature but produced in a lab. Use a Periodic Table
2 - Helium
26 - Iron
92 - Uranium
117 - Tennessine
Which example includes only metric base units?
kilogram, millimeter, hour
kilogram, meter, liter
liter, second, milligram
gram, meter, second
A measure of how close measurements come to each other
accuracy
ratio
precision
estimate
How close a measurement is to the accepted value is called what?
precision
accuracy
estimate
conversion factor
A ratio derived from the equality between two different units is called what?
conversion factor
dimensional analysis
scientific notation
factor-label method
A math technique where units are used to solve problems involving measurements.
scientific notation
estimation
ratio
dimensional analysis
The scientific conversion factor 103 is used for which metric prefix?
kilo
milli
micro
centi
The scientific conversion factor 10-2 is used for which metric prefix
centi
micro
milli
nano
The scientific conversion factor 10-3 is used for which metric prefix
micro
milli
nano
kilo
The scientific conversion factor 10-6 is used for which metric prefix
kilo
micro
nano
centi
The scientific conversion factor 10-9 is used for which metric prefix
centi
micro
nano
milli
