WorksheetsCHM40 End of term1 practice
Total questions: 89
Worksheet time: 1hrs 14mins
Name
Class
Date
1.
How many micrometers are there in 7.0 cm?
a)
7.0 X 104
b)
7.0 X 10-9
c)
7.0 X 106
d)
7.0 X 109
e)
7.0 X 103
2.
a)
280.57 g
b)
260.57 g
c)
265.7 g
d)
266 g
3.
a)
12.9 mL
b)
12.5 mL
c)
12.4 mL
d)
13.1 mL
4.
Convert 600 Kg to dg
a)
60000 dg
b)
6000000 dg
c)
.06 dg
d)
.006 dg
5.
Write the following number in scientific notation: 0.0028412
a)
2.8412x10-3
b)
2.8412x103
c)
2841.2x10-6
d)
2841.2x106
6.
Write the following number in scientific notation: -60012000
a)
-6.0012x10-7
b)
-6.0012x107
c)
6.0012x10-7
d)
6.0012x107
7.
Write the following in standard notation: 2.065x1010
a)
0.00000000002065
b)
0.0000000002065
c)
20650000000000
d)
20650000000
8.
How would you write 4.3756 x 104 in standard form?
a)
437,560,000
b)
0.00043756
c)
43,756
d)
4,3756
9.
20,000 cm = ____ m
a)
200
b)
680
c)
20
d)
1,001
10.
Convert from meters to cm: 9 meters
a)
900 cm
b)
90 cm
c)
0.9 cm
d)
0.09 cm
11.
Convert 300 cm to m:
a)
3 m
b)
30 m
c)
0.3 m
d)
0.03 m
12.
40 cm = ______ mm
( 1 cm = 10 mm)
( 1 cm = 10 mm)
a)
4000
b)
40
c)
400
d)
None of the Above
13.
900 cm ____ 9000 mm
(1 cm is 10 mm)
(1 cm is 10 mm)
a)
<
b)
=
c)
>
14.
500 cm = ________ m
(1 m is 100 cm)
(1 m is 100 cm)
a)
5
b)
50
c)
500
d)
5000
15.
15.6 L = ___________ mL
a)
15,600
b)
156,000
c)
1,560,000
d)
15,600,000
16.
55 mm = ___________ cm
a)
0.55
b)
5.5
c)
550
d)
5,500
17.
How would you write 0.0005 in scientific notation?
a)
50 x 10-5
b)
5 x 10-4
c)
5 x 103
d)
.5 x 103
18.
How do you write
8.317 x 106
in standard form?
8.317 x 106
in standard form?
a)
8, 371, 000
b)
83, 170, 000
c)
837, 100
d)
8, 317, 000
19.
How would you write 4.3756 x 104 in standard form?
a)
437,560,000
b)
0.00043756
c)
43,756
20.
Which of the following is correct scientific notation?
a)
20.35 x 104
b)
.2035 x 104
c)
2035 4
d)
2.035 x104
21.
Put the following in scientific notation:
23,948
23,948
a)
23.948 x 103
b)
2.3948 x 104
c)
2.3948 x 10-4
d)
0.23948 x 105
22.
How many significant digits in 0.00500?
a)
5
b)
6
c)
1
d)
3
e)
4
23.
UNDERSTANDING
If the exponent is a negative number...
If the exponent is a negative number...
a)
you will get a large number
b)
you will get a small number
24.
UNDERSTANDING
If the exponent is a positive number...
If the exponent is a positive number...
a)
you will get a large number
b)
you will get a smaller number
25.
Express the following in scientific notation:
10,030,400,000
10,030,400,000
a)
1.00304 x 109
b)
1.00304 x 1010
c)
1.00403 x 1010
d)
1.00304 x10-10
26.
7,000 g = ____ kg
a)
70
b)
700
c)
7
d)
0.07
27.
How would you write 0.0005 in scientific notation?
a)
50 x 10-5
b)
5 x 10-4
c)
5 x 10-3
d)
.5 x 103
28.
one picometer is _______________ of a meter
a)
one billionth
b)
one trillionth
c)
one thousandth
d)
one millionth
e)
one zillionth
29.
one micrometer is _______________ of a meter
a)
one billionth
b)
one trillionth
c)
one thousandth
d)
one millionth
e)
one zillionth
30.
a)
1.7 mL
b)
2 mL
c)
1.6 mL
d)
1.8 mL
31.
a)
30.6 mL
b)
30.5 mL
c)
36.0 mL
d)
35.0 mL
32.
a)
40.6 mL
b)
47 mL
c)
46 mL
d)
40.7 mL
33.
a)
60 C
b)
59 C
c)
61 C
d)
62 C
34.
a)
31 C
b)
33 C
c)
32 C
d)
34 C
35.
a)
92.5 C
b)
94 C
c)
95 C
d)
93 C
36.
How would you write 564,000,000 in scientific notation?
a)
5.64 x 10-7
b)
5.64 x 106
c)
5.64 x 108
d)
56.4 x 107
37.
How would you write -5.6 x 10-3 in standard form?
a)
0.0056
b)
-5,600
c)
0.00056
d)
-0.0056
38.
Scientific Notation is made up of two number parts. The first part should be a number between 1 and 100.
a)
True
b)
False
39.
Scientific Notation is made up of two number parts. The second part is a power of base 10.
a)
True
b)
False
40.
The rule of scientific notation is to write all exponents with a base of ____.
a)
50
b)
5
c)
100
d)
10
41.
How do you write
8.317 x 106
in standard form?
8.317 x 106
in standard form?
a)
8, 371, 000
b)
83, 170, 000
c)
837, 100
d)
8, 317, 000
42.
What is scientific notation?
a)
A long way to write really short numbers
b)
A short way to write really long numbers
c)
Notes taken by a scientist
d)
A chemical formula for science
43.
200 mm = ____ cm
(1 cm = 10 mm)
(1 cm = 10 mm)
a)
20 mm
b)
20 km
c)
20 cm
d)
20 dm
44.
900 cm ____ 9000 mm
(1 cm is 10 mm)
(1 cm is 10 mm)
a)
<
b)
=
c)
>
45.
Ed fills his sports bottle with 1 liter of water. After his bike ride, he drinks 200 milliliters of the water. How much water is left in Ed's sports bottle?
(1 liter = 1000 ml)
(1 liter = 1000 ml)
a)
800 mm
b)
8000 ml
c)
80 ml
d)
800 ml
46.
Convert 17 m to cm:
a)
0.17 cm
b)
0.017 cm
c)
1,700 cm
d)
170 cm
47.
Convert 300 meters to centimeters:
a)
3000 cm
b)
0.3 cm
c)
30,000 cm
d)
3 cn
48.
Name the separation method that causes wet clothes on a clothes line to dry
a)
Chromatography
b)
Filtration
c)
Distillation
d)
Evaporation
49.
How can we separate an insoluble solid from a liquid?
a)
chromatography
b)
evaporation
c)
filtration
d)
condensation
50.
The clear liquid which passes through the filter paper is called
a)
filt
b)
filter
c)
filtrate
d)
filtration
51.
Which one of the following is the name for separation technique in the picture below
a)
distillation
b)
filtration
c)
evaporation
d)
chromatography
52.
In the process of evaporation, which one of the following pieces of laboratory apparatus would NOT be used?
a)
evaporating basin
b)
filter funnel
c)
bunsen burner
d)
Wire gauze
53.
Which separation technique is shown below
a)
Evaporation
b)
Simple Distillation
c)
Decantation
d)
Fractional Distilation
54.
Which separation technique is shown below
a)
using a magnet
b)
separating funnel
c)
Centrifuging
d)
Chromatography
55.
Which separation technique is shown below
a)
filtration
b)
crystallization
c)
sublimation
d)
evaporation
56.
Which separation technique is shown below
a)
using a magnet
b)
separating funnel
c)
Centrifuging
d)
Chromatography
57.
This picture represents:
a)
Element
b)
Compound
c)
Mixture of Elements
d)
Mixture of Compounds
58.
A combination that can be separated by physical processes is a .....
a)
Pure Substance
b)
Glucose
c)
Element
d)
Mixture
59.
Which is a pure substance?
a)
Steam
b)
Sea Water
c)
Soil
d)
Lemonade
60.
Which of the following is a disadvantage of evaporation?
a)
It always requires heat
b)
It cannot be used for insoluble solids
c)
All of the solute is recovered
d)
The solvent (water) is not recovered
61.
Is "sugar dissolves in water" a chemical or physical change?
a)
Chemical change
b)
Physical change
62.
Is "wood burning in a fireplace" a chemical or physical change?
a)
Chemical change
b)
Physical change
63.
A pencil is sharpened. Physical or chemical change?
a)
Physical change
b)
Chemical change
64.
This contains a variety elements and compounds that ARE NOT chemically combined.
a)
Water
b)
Mixture
65.
Copper is a mixture.
a)
True
b)
False
66.
Copper is a mixture.
a)
True
b)
False
67.
Water is an element
a)
true
b)
false
68.
This contains a variety elements and compounds that ARE NOT chemically combined.
a)
Water
b)
Mixture
69.
Ocean water is a __________ mixture
a)
Homogeneous
b)
Heterogeneous
70.
A homogeneous mixture has the same composition of particles throughout.
a)
True
b)
False
71.
A magnet was placed near a pile that contained both iron and sulfur. The magnet was moved gradually closer to the pile. As it neared the pile, the magnet started attracting small pieces of iron from the pile.
Which of these statements best describes the contents of the pile?
Which of these statements best describes the contents of the pile?
a)
It is a heterogeneous mixture of iron and sulfur that can be separated by magnetism.
b)
It is a solution of iron and sulfur that can be separated by magnetism.
c)
It is a compound of iron and sulfur that can be separated by magnetism.
d)
It is a suspension of sulfur in iron that can be separated by magnetism.
72.
Stainless steel
a)
Heterogeneous
b)
Homogeneous
73.
The mass of a lead cube is 64 grams. This is an example of
a)
physical intensive property
b)
physical extensive property
c)
chemical change
d)
physical change
74.
The mass of a lead cube is 64 grams. This is an example of
a)
physical intensive property
b)
physical extensive property
c)
chemical change
d)
physical change
75.
new substances formed in the reaction
a)
chemical equation
b)
reactants
c)
products
76.
A chemical change
a)
physical property
b)
chemical property
c)
physical change
d)
chemical reaction
77.
A gas
a)
has a definite shape but no definite volume
b)
has a definite volume but no definite shape
c)
has fast-moving particles
78.
In which state are the particles least able to move? (Which is the solid?)
a)
State A
b)
State B
c)
State C
d)
None
79.
Which state of matter has molecules that slide past each other but stay close together? They do not form a regular pattern.
a)
solid
b)
liquid
c)
gas
80.
The SI unit for time is the __?__.
a)
meter (m)
b)
liter (L)
c)
gram (g)
d)
second (s)
81.
The SI unit for temperature is __?__.
a)
degree fahrenheit (° F)
b)
degree celsius (° C)
c)
kelvin (K)
d)
degree centigrade (°C)
82.
The metric prefix "kilo" means __?__.
a)
one tenth (0.1)
b)
one thousandth (0.001)
c)
one hundred (100)
d)
one thousand (1,000)
83.
350 K = __?__ °C
a)
77
b)
177
c)
623
d)
373
84.
What is the name of this instrument?
a)
Graduated Cylinder
b)
Pipet
c)
Triple Beam Balance
d)
Beaker
85.
Deci- means
a)
1/1000
b)
10
c)
1/10
d)
1000
86.
Give the correct abbreviation: micrometer
a)
mm
b)
micm
c)
μm
d)
Mm
87.
Which is incorrectly matched with the exponent?
a)
Mega - 106
b)
Centi - 10-2
c)
pico - 10-9
d)
milli - 10-3
88.
Which is incorrectly matched with the exponent?
a)
Mega - 106
b)
Centi - 10-2
c)
pico - 10-9
d)
milli - 10-3
89.
Which is incorrectly matched with the exponent?
a)
micro - 10-6
b)
deci - 10-1
c)
kilo - 10-3
d)
milli - 10-3
100 %
