Stars
What color of star is the coolest (temperature)?
Red
The big bang was not an explosion but an…
expansion
An atom is mostly made of ______
empty space
Classify bromine as a metal, nonmetal, or metalloid
nonmetal
What is Mrs. Burr's son's name?
Dean
Stars form and take a round shape because of what force?
gravity
What is assumed to be the first element to exist in the universe?
hydrogen
What particle in an atom is positive?
proton
The number of protons is also called the____
atomic number
How many years has Mrs. Burr taught here?
7
What type of star is the sun?
main sequence
Put these in order:
Matter and energy separated
Stars form
The universe cools enough that light can shine
Earth forms
1324
Which particle in an atom is negative?
electrons
What are the 2 liquids on the PT?
bromine and mercury
What 3 classes has Mrs. Burr taught here?
biology, chemistry, physical science
HR diagrams compare a star’s temperature to its…
luminosity
What do stars use to create energy?
fusion
What is the mass number of an oxygen atom with 9 neutrons?
17
What college did Mrs. Burr graduate from?
Hastings College
What happens when a red supergiant dies? 2 things
supernova, black hole
How cold is space? Nearest whole number
3K
What is mass of one proton?
1amu
How many neutrons does Bromine have if its mass # is 75?
40
What is the mascot of Mrs. Burr's high school?
Dusters