File - Miller's Science Classroom

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Name: __________________
Chemical and Physical
Changes Questions
Multiple Choice
Write the letter of the answer that best
completes each statement.
1- A viscous substance is in the phase
called
a. Solid
b. Liquid
c. Gas
d. Plasma
2- The substance that has the most energy
is
a. Ice water
b. Ice
c. Tap water
d. Steam
3- An example of a chemical property is
a. Color
b. The ability to rust
c. Density
d. Mass
4- The change of a substance from a gas to
a liquid is called
a. Vaporization
b. Sublimation
c. Condensation
d. Evaporation
5- The change of a liquid to a solid is called
a. Freezing
b. Melting
c. Sublimation
d. Vaporization
6- When particles in a closed container are
heated, they
a. Lose energy
b. Lose volume
c. Move closer together
d. Move faster
Miller
7- When substances go directly from the
solid phase to the gas phase, the phase
change is called
a. Sublimation
b. Condensation
c. Evaporation
d. Vaporization
8- The characteristic of matter that is not a
physical property is
a. Hardness
b. Flammability
c. Texture
d. Shape
9- Solids that lose their shape under
certain conditions are
a. Rigidly arranged
b. Crystalline
c. In a regular repeating pattern
d. Amorphous
10- The tiny particle that makes up a solid
a. Can move more easily than the
particles in other phases
b. Can flow around each other
c. Are spread far apart
d. Are packed very close together
11- Particles of a liquid are
a. Extremely far apart
b. Not free to move
c. Fairly close together
d. Able to expand without limit
12- An example of a substance that
sublimes is
a. Ice cream
b. Regular ice
c. Dry ice
d. Ice water
13- A new substance is formed as a result of
a. Physical change
b. Chemical change
c. Physical property
d. Chemical property
14- An example of a physical change is the
a. Change in the color of leaves in
the autumn
b. Rust on a garden tool
c. Process called photosynthesis
d. Shredding of a piece of paper
21- Dry ice is solid
a. Water
b. Oxygen
c. Carbon monoxide
d. Carbon dioxide
15- An example of a chemical reaction is
the
a. Explosion of fireworks
b. Shattering of a glass
c. Freezing of ice
d. Drying of wet laundry
22- A chemical change is sometimes called
a
a. Phase change
b. Chemical reaction
c. Physical change
d. Physical property
16- Which of the following is an example of
a physical property
a. Color
b. Shape
c. Texture
d. All of these
23- Mowing the lawn is an example of a
a. Phase change
b. Physical change
c. Chemical change
d. Density change
17- The properties that describe how a
substance changes into other
substances are called
a. Chemical properties
b. Physical properties
c. General properties
d. Phase properties
18- An example of an amorphous solid is
a. Glass
b. Table salt
c. A snowflake
d. Solid carbon dioxide
19- A regular repeating arrangement of
particles is called a
a. Plasma
b. Crystal
c. Phase
d. Sublimation
20- A very high energy phase of matter not
found naturally on earth is
a. Crystalline solid
b. Amorphous solid
c. Flammable gas
d. Plasma
Miller
24- Burning a piece of paper is an example
of a
a. Phase change
b. Physical change
c. Chemical change
d. Mass change
25- An example of a crystalline solid is
a. Candle wax
b. Glass
c. Table salt
d. Tar
26- Which of the following has a definite
volume, but not a definite shape
a. Solid
b. Liquid
c. Gas
d. Plasma
27- When gas leaves the surface of a liquid,
the liquid
a. Evaporates
b. Boils
c. Melts
d. Condenses
True or False
Mark each of the sentences as true or false.
28- ____Solids have no definite shape and
no definite volume.
29- ____Perspiration cools the body by
means of sublimation.
30- ____The change of a liquid to a gas is
called vaporization.
31- ____Matter can exist in only three
phases—solid, liquid and gas.
32- ____An amorphous solid can be
thought of as a slow-moving liquid.
33- ____The sun contains matter made of
plasma.
34- ____The change of a substance from a
solid to a liquid is called freezing.
35- ____When bubbles of gas form inside a
liquid, the liquid boil.
Fill in the Blank
Fill the correct word into the blank.
36- The resistance of a liquid to flow is an
indication of its ___________________.
37- The formation of drops of water on the
outside of a glass containing a cold
drink is an example of the phase change
called_________________.
38- Vaporization at the surface of a liquid is
called ____________________.
39- Properties that describe how
substances change into new and
different substances are called
______________ properties.
40- Properties that can be observed
without changing the identity of a
substance are called
________________ properties.
41- Matter can exist in four phases—solid,
liquid, gas and _______________.
42- Substances with a definite shape and a
definite volume are called
____________________.
43- Substances can be made to change
_____________ by adding or taking
away energy.
44- The ______________ is the
temperature at which a solid changes to
a liquid.
Miller
45- The phase change that occurs when a
solid changes directly into a gas is called
__________________.
46- Another name for a chemical change is
a(an) ______________________.
47- Solids that lose their shape under
certain conditions are called
_________________ solids.
48- The particles of a (an) _________ are
spread far apart from one another.
49- Substances with a definite volume but
no definite shape are called
________________.
50- A snowflake is an example of a (an)
_____________________ solid.
Use the pictures to answer the following
questions.
A
B
C
51- The above pictures show the particle
arrangement of three substances.
Which of the three substances has
particles with the greatest amount of
energy?
52- Which substance has particles which
are least able to move?
53- Which of the three substances would
be classified as a liquid?
54- Which of the substances would have
neither a definite volume nor a definite
shape?
55- Which of the substances would have
the greatest density? (Hint: remember
that density is defined as the mass of a
substance per unit of volume.
56- The candle is 2 cm high, has a waxy
white color, and has no odor. Do these
observations refer to a physical
property, a physical change, a chemical
property or a chemical change?
57- When the candle was lighted, a pool of
liquid wax formed in a bowl around the
wick. Does this observation refer to a
physical property, a physical change, a
chemical property or a chemical
change?
Miller
58- The lighted wick of the candle glowed
red and some of the tip of the wick
turned black. Does this observation
refer to a physical property, a physical
change, a chemical property or a
chemical change?
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