PHYSICAL SCIENCE SUMMATIVE TEST

Quiz
•
Physics
•
7th Grade
•
Hard
Raissa Rebato
Used 7+ times
FREE Resource
40 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Where do hydrogen and helium fuse in a main sequence star?
core
crust
inner core
mantle
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
In the triple-alpha process, stars fuse together three alpha helium particles, creating a new element. Which of the following element is formed?
Argon
Chlorine
Carbon
Oxygen
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
When a star has used up all the hydrogen in its core, hydrogen will be converted into helium in the layer immediately surrounding the core. What stage of star formation is this?
Protostar
Red giant
Supernova
White dwarf
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What type of nuclear reaction emits a particle with two protons and two neutrons?
Alpha emission
Beta emission
Gamma emission
Fusion
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
When the fragments of clouds contract, a stellar core known as _________ is formed.
protostar
red giant
supernova
white dwarf
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which of the following will be the solvent if a nonpolar substance dissolves in an unknown liquid?
ionic
non-polar
polar
water
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which of the following is an example of a non-polar molecule?
H₂O
N2
ClBr3
SO₂
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