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Science Prep Course
Exam #2 – Matter – Chemical and Physical Properties
Section 1:
Fill in the blanks. Each question is worth one point.
1. _______________________ Smallest part of an element that has all its properties
2. _______________________ Device that measures atmospheric pressure
3. _______________________ Smallest part of a substance that has all its properties
4. _______________________ Ratio of force to area over which the force acts
5. _______________________ Number of protons in the nucleus of an atom
6. _______________________ Fourth phase of matter
7. _______________________ Found when mass is divided by volume
8. _______________________ Upward force a fluid exerts on a submerged object
9. _______________________ What does “amu” stand for
10. ______________________ Reaction that changes substances into other substances
Section 2:
Multiple Choice questions. Each question is worth two points.
In questions 11 – 15, identify the law, principle, etc.
11. An immersed body is buoyed up by a force equal to the weight of the fluid it
displaces.
A. Pascal’s Principle
B. Archimedes’ Principle
C. Boyle’s Law
D. Charles’ Law
12. The pressure in a fluid moving steadily decreases when the fluid velocity increases.
A. Bernoulli’s Principle
B. Avogadro’s Principle
C. Archimedes’ Principle
D. Pascal’s Principle
E. Mr. Houchin’s Principal
13. At a constant pressure, an increase in temperature causes an increase in the volume of
a gas and a decrease in temperature causes a decrease in volume of a gas.
A. Archimedes’ Principle
B. Pascal’s Principle
C. Boyle’s Law
D. Charles’ Law
14. Equal volumes of all gases at the same temperature and pressure contain the same
number of molecules.
A. Avogadro’s Principle
B. Boyle’s Law
C. Pascal’s Principle
D. Charles’ Law
15. Pressure applied to a motionless fluid in a container is transmitted undiminished
throughout the liquid.
A. Bernoulli’s Principle
B. Avogadro’s Principle
C. Archimedes’ Principle
D. Pascal’s Principle
Section 3:
Fill in the blanks. Each question is worth two points.
16. __________________ motion is the haphazard movement of tiny particles suspended
in a gas or liquid.
17. __________________ action causes the rise of a liquid in a fine, hollow tube. This
U-shaped rise is called a _____________________.
18. The antiparticle of the proton is the _______________________. The antiparticle of
the electron is the ___________________.
19. In ___________________ bonds, electrons are transferred from one atom to another.
Bonds in which electrons move all around the substance like a “sea” are called
________________ bonds.
20. Sometimes the surface of a liquid contracts and behaves like an elastic membrane.
We call this __________________________________ (2 words).
Section B:
Bonus questions. Answer the questions for the stated number of points.
Show all work (you may receive partial credit).
B1. TRUE
FALSE
When Archimedes discovered his principle, he ran
through the streets yelling “Eureka” which is Greek
for “I feel a draft.”
(4 pts.)
B2. A 50 N force stretches a spring 40.5 cm.
B2a. If a 25 N force is applied to the same spring, what is the length that the spring is
stretched?
(4 pts.)
B2b. Whose law is used to solve this problem?
(2 pts.)