SCIN 131 Week 1 quiz| VERIFIED SOLUTION

SCIN 131 Week 1 quiz
4.0 Points
Question 1 of 25
Which of the following is a law?
A.The universe began as a cosmic explosion called the Big Bang.

B.A stone dropped from an altitude of 450 m falls to the ground in 9.6 s.

C.A body in motion stays in motion unless acted upon by force.

D.The star closest to Earth is moving away from Earth at high speed.


4.0 Points
Question 2 of 25
The result of collisions between gas molecules and the surfaces around them is:
A.mass

B.temperature

C.color

D.pressure


4.0 Points
Question 3 of 25
Hydrogen is an example of:
A.a molecule.

B.a mixture.

C.an atom.

D.a bond.


4.0 Points
Question 4 of 25
Which scientist discovered penicillin?
A.Feynman

B.Fleming

C.Dalton

, D.Lavoisier


4.0 Points
Question 5 of 25
Which scientist worked on combustion reactions?
A. Lavoisier

B.Dalton

C.Fleming

D.Feynman


4.0 Points
Question 6 of 25
Where can you find chemicals?
A.in a chemical stockroom.

B. in a hardware store.

C. all around you and even inside you.

D. all of these.


4.0 Points
Question 7 of 25
Which characteristic is necessary for success in understanding chemistry?
A.all of these are keys to success.

B.curiosity.

C.mathematical skills.

D.asking questions.

E.commitment.

F.practice.

G.not procrastinating.