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WorksheetsCh. 2 Matter and Energy
Total questions: 78
Worksheet time: 51mins
Name
Class
Date
1.
The chemical formula for water, H2O, means that each water molecule contains
a)
two hydrogen atoms and one oxygen atom
b)
two hydrogen atoms and two oxygen atoms
c)
two hydrogen atoms and zero oxygen atoms
d)
none of the above
2.
What is matter?
a)
Volume of an object
b)
Anything that has mass and takes up space
c)
Mass of an object
d)
Space of an object
3.
What are the 3 states of matter?
a)
Water, air, ball
b)
mass, volume, grams
c)
solid, liquid, gas
d)
chair, table, pencil
4.
To change a solid to a liquid, what do you add?
a)
heat
b)
water
c)
cold
d)
mass
5.
Changing liquid to a gas is called
a)
evaporation
b)
condensation
c)
melting
d)
freezing
6.
Which state of matter takes the shape of its container?
a)
solid
b)
gas
c)
liquid
7.
Which state of matter has a definite shape?
a)
solid
b)
liquid
c)
gas
8.
Which state of matter take up ALL the space inside a container?
a)
solid
b)
liquid
c)
gas
9.
What is happening in the statement below?
The ice cube melted.
The ice cube melted.
a)
Matter is changing from a liquid to a solid.
b)
Matter is changing from a liquid to a gas.
c)
Matter is changing from a solid to a liquid.
d)
Matter is changing from a gas to a liquid.
10.
Burning and baking are examples of __________________ because they are irreversible.
a)
chemical changes
b)
physical changes
c)
melting
d)
freezing
11.
Cutting and mixing are examples of ______________________ because they are reversible.
a)
chemical changes
b)
physical changes
c)
freezing
d)
melting
12.
The picture shows an example of a ______________ change.
a)
chemical
b)
physical
c)
irreversible
d)
freezing
13.
When heat is added to a liquid, it ______________.
a)
freezes
b)
evaporates
c)
melts
d)
condenses
14.
The heavier a particle, the ____ it moves.
a)
slower
b)
faster
c)
less
d)
more
15.
The kinetic theory states that the higher the temperature, the faster the
a)
particles that make up a substance move
b)
bonds between atoms break down
c)
molecules of gas rush together
d)
lighter particles within a substance clump together
16.
The change of a substance from a solid directly to a gas is called
a)
condensation
b)
evaporation
c)
melting
d)
sublimation
17.
Evaporation refers to the change of state from a
a)
liquid to a gas
b)
gas to a liquid
c)
solid to a liquid
d)
liquid to a solid
18.
The law of conservation of mass states that mass cannot be
a)
burned
b)
changed in form
c)
created or destroyed
d)
heated or cooled
19.
The temperature at which a substance changes from a liquid to a solid is the
a)
freezing point
b)
saturation point
c)
boiling point
d)
condensation point
20.
When ice melts to form liquid, energy is
a)
created
b)
destroyed
c)
released
d)
absorbed
21.
A substance changes from a liquid to a gas during evaporation because
a)
energy is list
b)
energy is released
c)
energy is created
d)
energy is absorbed
22.
Which state of matter has a definite volume, but not a definite shape?
a)
plasma
b)
gas
c)
liquid
d)
solid
23.
A gas becomes a liquid through a process called
a)
melting
b)
freeing
c)
evaporation
d)
condensation
24.
all matter is made of what
a)
energy
b)
atoms
c)
electrons
d)
compounds
25.
Is salt (NaCI) a compound or a element
a)
Compound
b)
element
26.
made up of one or more of the same type of atom
a)
atom
b)
element
c)
molecule
d)
compound
27.
made up of two or more atoms chemically combined
a)
atom
b)
element
c)
molecule
d)
compound
28.
Is burning wood a chemical or physical change?
a)
chemical
b)
physical
29.
Is glass breaking a chemical or physical change?
a)
chemical
b)
physical
30.
Is hammering wood together to build a house a chemical or physical change?
a)
chemical
b)
physical
31.
Is a a rusting bicycle a chemical or physical change?
a)
chemcial
b)
physical
32.
Is melting butter for popcorn a chemical or physical change?
a)
chemical
b)
physical
33.
Is spoiling food a physical or chemical change?
a)
phyiscal
b)
chemical
34.
Is making salt water to gargle with a physical or chemical change?
a)
physical
b)
chemical
35.
a copper penny turning greenish after a few years.
a)
Chemical Change
b)
Physical Change
36.
Green bananas turning yellow on their own as they ripen.
a)
Chemical Change
b)
Physical Change
37.
A change in the size, shape, or state of matter.
a)
chemical change
b)
physical change
c)
chemical reaction
d)
electron change
38.
A change in which NEW substances are formed.
a)
Chemical change
b)
Physical change
c)
Casual change
d)
Formal change
39.
Which of the following properties is a physical property?
a)
magnetism
b)
reaction
c)
flammability
d)
combustion
40.
An example of a chemical property is __________.
a)
Ability to burn
b)
Color
c)
Mass
d)
Density
41.
What characteristic defines all chemical changes?
a)
There is a change of state.
b)
Electricity is produced.
c)
A new material is formed.
d)
Bubbles are produced.
42.
Which of the following is a Chemical Property?
a)
Radicallity
b)
Color
c)
Boiling Point
d)
Reactivity
43.
Which of the following is a compound?
a)
Co
b)
O2
c)
C
d)
CO2
44.
How many atoms are there TOTAL in:
H2SO4
H2SO4
a)
6
b)
5
c)
7
d)
3
45.
How many elements are in C6H12O6?
a)
1
b)
2
c)
3
d)
4
46.
How many Aluminum are in Al2O3?
a)
3
b)
2
c)
5
47.
How many atoms of Carbon are in the compound C2H8O ?
a)
8
b)
2
c)
1
d)
11
48.
Put the liquids in order from most dense to least dense?
a)
4, 3, 2, 1
b)
1, 2, 3, 4
c)
3, 4, 2, 1,
d)
4, 3, 1, 2
49.
If an object has a density of 3.6 g/mL and you put it into water, will it sink or float?
a)
sink
b)
float
50.
Which liquid is the least dense?
a)
oil
b)
water
c)
syrup
d)
plastic bottle
51.
Which lab tool might you use to measure the volume of a liquid?
a)
electric scale
b)
bunsen burner
c)
test tube
d)
graduated cylinder
52.
What is the volume of the fish?
a)
18.0 cm3
b)
6.0 cm3
c)
38.0 cm3
53.
True or False: The density of a specific type of material never changes.
a)
True
b)
False
54.
Which will float in water (density= 1 g/mL)?
Corn syrup 1.37 g/mL
Vegetable oil 0.91 g/mL
Honey 1.42 g/mL
Lamp oil 0.81 g/mL
Corn syrup 1.37 g/mL
Vegetable oil 0.91 g/mL
Honey 1.42 g/mL
Lamp oil 0.81 g/mL
a)
Corn syrup and Honey
b)
Vegetable oil and Lamp oil
c)
Corn syrup and vegetable oil
d)
Honey and Lamp oil
55.
If the density of a bar of gold is 19.3 g/cm3and you cut it into 4 pieces, what is the density of each piece of gold?
a)
4.825 g/cm3
b)
9.65 g/cm3
c)
19.3 g/cm3
d)
38.6 g/cm3
56.
Frank has a paper clip. It has a mass of 9g and a volume of 3cm3. What is its density?
a)
3 g/cm3
b)
1/3 g/cm3
c)
27 g/cm3
d)
39 g/cm3
57.
Density is...
a)
the amount of mass in an object
b)
the amount of space an object takes up
c)
the amount of mass in a given space
d)
the weight of an object
58.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
59.
Here are 5 cubic centimeters (cm3). All together they have a mass of 20 g what is the density?
a)
20 g/cm3
b)
80 grams
c)
4 g/cm3
d)
80 g/cm3
60.
______ is the ability of an object to float in a liquid.
a)
Density
b)
Buoyancy
c)
Archimedes' Principle
d)
Volume
61.
Why does ice float?
a)
Liquid water is less dense than solid water.
b)
Solid water is less dense than liquid water.
c)
Gaseous water is less dense than solid water.
d)
Liquid water is less dense than gaseous water.
62.
A student knows the mass of an object. What other variable does the student need to know to calculate the object's density?
a)
Color
b)
Weight
c)
Volume
d)
Length
63.
Aluminum
a)
Al
b)
A
c)
Ai
d)
Au
64.
Calcium
a)
C
b)
Ca
c)
Cl
d)
Cm
65.
Boron
a)
Bo
b)
Br
c)
Bn
d)
B
66.
Copper
a)
C
b)
Co
c)
Cp
d)
Cu
67.
Fluorine
a)
Fl
b)
Fu
c)
F
d)
Fn
68.
Gold
a)
G
b)
Go
c)
Ag
d)
Au
69.
Iron
a)
I
b)
Fe
c)
Ir
d)
In
70.
Neon
a)
Ne
b)
N
c)
No
d)
Xe
71.
blueberry muffin
a)
heterogeneous mixture
b)
homogeneous mixture
72.
Italian Salad Dressing
a)
heterogeneous mixture
b)
homogeneous mixture
73.
Milk
a)
Heterogeneous mixture
b)
Homogeneous mixture
74.
A compost pile in the backyard for the garden
a)
Heterogeneous
b)
Homogeneous
75.
mashed, unpeeled potatoes
a)
Heterogeneous mixture
b)
Homogeneous mixture
76.
Chicken noodle soup
a)
heterogeneous mixture
b)
homogeneous mixture
77.
This is made up of one or more of the SAME kind of atom
a)
Element
b)
Mixture
c)
Compound
d)
Matter
78.
Water is an element
a)
true
b)
false
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