Science questionssss.?


question 2 (multiple choice worth 3 points)
of following can thought of opposites?

a: white dwarf , brown dwarf
b: black hole , protostar
c:neutron star , pulsar
d:red giant , blue giant

question 3 (multiple choice worth 3 points)
because stars said have life cycle, expect
a: “die”
b: cease have orbit
c: continue move in circular orbits
d: create living organisms

question 4 (multiple choice worth 3 points)
protostar

a: mature star
b:the beginnings of star
c:a star-like planet
d:the same neutron star

question 5 (multiple choice worth 3 points)
statement true concerning evidence black holes?

scientists can see black holes powerful telescopes.

scientists can see effect of black holes on nearby stars.

scientists can see trails left in space black holes.

there no evidence black holes.

question 6 (multiple choice worth 3 points)
when star reaches black hole stage of life

old star

give off new energy

grow in size

young star

question 7 (essay worth 3 points)
explain why life cycle of star can compared life cycle of human.

question 8 (essay worth 4 points)
explain steps of life cycle of star. beginning nebula , ending old age/death of star, explain each step in star’s life cycle.

question 2 (multiple choice worth 3 points) of following can thought of opposites? a: white dwarf , brown dwarf b: black hole , protostar c:neutron star , pulsar d:red giant , blue giant question 3 (multiple choice worth 3 points) because stars said have life cycle, we...


Science & Mathematics Agriculture Next



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