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WorksheetsScience Math Skills and Measurement - 1st Semester Review Chemistry
Total questions: 21
Worksheet time: 13mins
Name
Class
Date
1.
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
2.
How would you write 0.0005 in scientific notation?
a)
50 x 105
b)
5 x 10-4
c)
5 x 103
d)
.5 x 103
3.
How do you write 1001 in scientific notation?
a)
1.0001 x 104
b)
1.01 x 105
c)
1.001 x 103
d)
10.1 x 103
4.
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
5.
Solve:
(2.1×102) × (3.0×104)
(2.1×102) × (3.0×104)
a)
5.1 x 102
b)
6.3 x 106
c)
5.1 x 106
d)
6.3 x 108
6.
Solve:
(6 x 106) / (2 x 103)
(6 x 106) / (2 x 103)
a)
12 x 103
b)
3 x 109
c)
1.2 x 104
d)
3 x 103
7.
Solve:
(2.2 x 10 4) x (7.1x 10 5)
(2.2 x 10 4) x (7.1x 10 5)
a)
1.562 x 1010
b)
15.62 x 109
c)
15.62 x 1020
d)
1.562 x 1020
8.
How many significant figures does 10.1 cm have?
a)
1
b)
2
c)
3
d)
4
9.
How many significant figures does 0.010 m have?
a)
1
b)
2
c)
3
d)
4
10.
How many significant figures does 0.025 kg have?
a)
1
b)
2
c)
3
d)
4
11.
How many significant figures does 1.90 × 108 have?
a)
3
b)
4
c)
6
d)
8
12.
How many significant figures in 10,000
a)
1
b)
5
c)
4
d)
3
13.
What is the measurement 1042 Liters rounded to 2 significant figures?
a)
1040 L
b)
1.1 x 103 L
c)
1.0 x 103 L
d)
1050 L
14.
When multiplying 2.2 mm and 5.00 mm using the correct number of significant figures...what is your answer?
a)
11.0
b)
11.00
c)
10
d)
11
15.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
16.
What units can be used to express density?
a)
g/mL
b)
grams
c)
millimeters
d)
milliliters
17.
Which liquid is the most dense?
a)
oil
b)
water
c)
syrup
d)
plastic bottle
18.
Which liquid is the least dense?
a)
oil
b)
water
c)
syrup
d)
plastic bottle
19.
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
20.
Frank has an eraser. It has a mass of 4g, and a volume of 2cm3. What is its density?
a)
8 g/cm3
b)
2 g/cm3
c)
1/2 g/cm3
d)
24 g/cm3
21.
John filled a graduated cylinder with 23 mL of water. Once he placed a key in the cylinder the water rose to 37 mL. What is the volume of the key?
a)
13 mL
b)
14mL
c)
7mL
d)
37 mL
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