STARS ASSIGNMENT 1
Which statements describe properties of stars? Check all that apply. - CORRECT
ANSWERS-Stars produce energy through nuclear fusion.
Stars are massive objects composed of gas.
Stars are composed primarily of hydrogen and helium
The color and temperature of stars are closely related. Which color star is the hottest? -
CORRECT ANSWERS-blue
Use the drop-down menus to identify which of these stars is the smallest, which is the
largest, and which is in the middle.
Supergiant:
Neutron star:
White dwarf: - CORRECT ANSWERS-largest
smallest
middle
Which statements describe how stars are born? Check all that apply. - CORRECT
ANSWERS-Stars are born in clouds of gas and dust called nebulas.
The gas and dust are pulled together by gravity.
The pulled-together cloud collapses and becomes hot and dense.
Heat and pressure cause nuclear fusion, which signals the birth of a star.
This image shows a nebula. What would most likely be found in a nebula? - CORRECT
ANSWERS-a protostar
Which statements describe the death of stars? Check all that apply. - CORRECT
ANSWERS-A star's final stages of life depend on its mass.
Stars die when they run out of fuel.
The most-massive stars may become _______________, which are not directly
detectable. - CORRECT ANSWERS-supernova
neutron star
white dwarf
black holes
Which statements describe properties of stars? Check all that apply. - CORRECT
ANSWERS-Stars produce energy through nuclear fusion.
Stars are massive objects composed of gas.
Stars are composed primarily of hydrogen and helium
The color and temperature of stars are closely related. Which color star is the hottest? -
CORRECT ANSWERS-blue
Use the drop-down menus to identify which of these stars is the smallest, which is the
largest, and which is in the middle.
Supergiant:
Neutron star:
White dwarf: - CORRECT ANSWERS-largest
smallest
middle
Which statements describe how stars are born? Check all that apply. - CORRECT
ANSWERS-Stars are born in clouds of gas and dust called nebulas.
The gas and dust are pulled together by gravity.
The pulled-together cloud collapses and becomes hot and dense.
Heat and pressure cause nuclear fusion, which signals the birth of a star.
This image shows a nebula. What would most likely be found in a nebula? - CORRECT
ANSWERS-a protostar
Which statements describe the death of stars? Check all that apply. - CORRECT
ANSWERS-A star's final stages of life depend on its mass.
Stars die when they run out of fuel.
The most-massive stars may become _______________, which are not directly
detectable. - CORRECT ANSWERS-supernova
neutron star
white dwarf
black holes
