Miss Cocozza, Arcola, Chapter 2 review

1. Review of Chapter 2

2. 4. Anything that has ____________ and
___________ is called matter.
True / False
5. ________ An objects volume is the
amount of space the object takes up.
6. ________ Things with volume can’t share
the same space at the same time
7. ________ When measuring water in a G.C.
you should look at the bottom of the Meniscus.
8. ________ a liquids volume is usually
measured in grams or milligrams.
Volume
Mass
True
True
True
False

3. 9. The volume of a solid object is expressed in
________ units. One mm is equal to________.
10. What three dimensions do you need to find
the volume of a rectangular solid object?
___________________
11. How do you measure the volume of a gas?
____________________________________
cubic 1 cm3
Height, width, length
Measure the shape of the container the gas is in.

4. 12. List the objects from least to greatest
mass:
___________________________________
13. The mass of an objects should be
constant, yet the mass of a puppy will
change over time explain?
_________________________
_____________________________________
14. Why does all matter experience gravity?
A. All matter has volume.
B. All matter has mass.
Hamster, elephant, skyscraper, the moon
The puppy’s mass is not constant
b/c matter is being added to the puppy as it grows.

5. 15. As two objects get _____________, the
force of gravity between them increases.
16. Weight is a measure of the gravitational
force exerted on an object. True… False…
17. A brick weighs less in space than on earth.
Why?
_______________________________
_____________________________________
18. Why do people confuse the terms weight
and mass?
A. They appear constant on earth
B. People use the words interchangeably.
C. Mass is the same as weight.
closer together
b/c the gravitational pull is less in space
than on the surface of the earth.

6. 19. The unit for ________ is the Kilogram.
The unit for __________ is the Newton.
20. How do mass and inertia make it easier
to pick up an empty juice bottle than a full
one? _____________________________
___________________________________
___________________________________
See review on p. 42
mass
weight
Full bottle has more mass than the
empty one. More mass = more inertia. Full
one is harder to put into and out of motion.

7. Section 2
1. In a game of 20 questions, the most
helpful questions you can ask are about
the _________ of an object.
2. Which physical properties is the person
on page 43 asking about? ___________
__________________________________
properties
Physical
properties of color, odor, and mass/volume.

8. Answer Column A Column B
3. Sand does not
dissolve in water
A. State
4. Gold can be made
into gold foil.
B. Thermal
Conductivity
5. Ice is the solid form
of water.
C. Solubility
6. Copper can be
drawn into wires.
D. Density
7. A foam cup protects
you from being burnt
E. Ductility
8. Ice cubes float in a
glass of water.
F. Maleability
C
F
A
E
B
D

9. 9. In the formulas D means __________, V
stands for _________ and M stands for
________.
10. What are two reasons why density is a
useful property for identifying a substance?
____________________________________
____________________________________
____________________________________
11. density =. . .
12. What will happen to the jar? _____________
_______________________________________
____________________________________
Density
Mass
Volume
Density is a useful property because it is always
the same at a given temperature and pressure.
Density is also different for most substances.
gold, mercury, water, oxygen
If shaken the
objects will mix temporarily and then after time
They will separate.

10. 13. Is the 40 mL of oil denser than the 25 of
vinegar?_________
14. Density is dependant on the amount of
the substance you have. True. . .
False . . .
15. Which of the following are true about
chemical properties?
A. They indicate a substances ability to
change identity.
B. They indicate one substances ability to
react with another
C. They describe matter.
No.

11. 16. Why isn’t there rust on the painted
sections of the car?
__________________
___________________________________
17. Characteristic properties help scientists
to distinguish one substance from
another? True. . . False. . .
18. Which of the following are physical
properties only?
A. flammable, dense, malleable
B. malleable, reactive, dense
C. Powdery, dense, red
b/c the paint provides a
barrier between the steel and oxygen preventing rust

12. 19. What is a physical change? __________
___________________________________
20. If you make a physical change to a
substance, the identity of the substance
changes. True. . . False. . .
21. Many physical changes are _______ to
undo.
22. A chemical __________ describes a
substances ability to change. A chemical
________ occurs when a substance turns
into another substance.
Change that
affects 1 or more of the physical properties of an object.
easy
property
change

13. 23. How do you know that baking a cake
involves a chemical change?
___________________________________
24. In examples of chemical changes, the
odor of sour milk indicates a chemical
change has taken place. True. . . False. . .
25. Some chemical changes can be
reversed by other chemical changes?
True. . . False. . .
Review p. 51
Cake and batter have totally different properties.