What two outcomes can happen after a supernova explosion?
Black hole or neutron star
What is an era?
A long distance period
What came before the Cenozoic era?
The Paleozoic era
What is a low mass star?
The coolest and dimmest main sequence star.
What scientific method do you use before a experiment?
making a observation
What is the first stage of a star?
Nebula
what is a organism that appeared during the Paleozoic era?
Fish,Land plants,trilobites Amphibians
whats the first period of the Cenozoic era?
The tertiary period
what colors do low mass stars come in?
Orange,Brown,or red
what do you do after forming a hypothesis?
test hypothesis
what type of star is the sun?
what is the last period in the Paleozoic era?
Permian period
What's the most recent period in the Cenozoic era?
Neogene period
What elements do low mass stars have in common?
Carbon and oxygen
What is a hypothesis?
a prediction
What happens during nuclear fusion?
two light nuclei merge to form a single heavier nucleus.
what is the first period in the Paleozoic era?
the Cambrian period
How long ago did the Cenozoic era start?
66 millions years ago
what do low mass stars produce?
helium
What's the last step to do in a science experiment?
record your results
what causes a black dwarf to from?
leftover heat that radiated away
how long did the Paleozoic era last?
289 million years
What current era are we in?
Cenozoic era
what is the final stage for a low mass star?
Black dwarf
What are scientific methods?
ways to conduct experiments