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Unit 1 and 2 review

Total questions: 54

Worksheet time: 49mins

Name
Class
Date
1.
a)
600
b)
6000
c)
6.0
d)
.006
2.
a)
0.001
b)
0.01
c)
1
d)
10,000
3.
a)
4.8
b)
4800.0
c)
480.0
d)
48
4.
a)
5
b)
500
c)
50
d)
0.5
5.
a)
30,000,000
b)
30,000
c)
3,000
d)
30
6.

What is the SI unit for Length?

a)

Meter

b)

Ampere

c)

Seconds

d)

Kelvin

7.

What is the SI unit for TIME?

a)

Meter

b)

Ampere

c)

Seconds

d)

Kilogram

8.

A graduated cylinder contains exactly 60 mL of water. A rock was dropped into the cylinder of water. The water level rose to 86 mL. What is the volume of the rock?

a)

86 mL

b)

60 mL

c)

146 mL

d)

26 mL

9.
What is mass?
a)
the distance between two points
b)
the amount of matter (stuff) in an object
c)
the amount of space an object takes up
d)
the distance between three points
10.
What is the formula for DENSITY?
a)
D=M*V
b)
D=M/V
c)
D=V*M
d)
D=V/M
11.
The amount of space taken up by an object
a)
Mass
b)
Volume
c)
Density
d)
Weight
12.
What is the density of an object having a mass of 8.0 g and a volume of 25 cm3?
a)
0.32 g/cm3
b)
2.0 g/cm3
c)
3.1 g/cm3
d)
200 g/cm3
13.
How many significant figures: 216 m
a)
1
b)
2
c)
3
d)
0
14.
How many significant figures: 153.0 mL
a)
1
b)
2
c)
3
d)
4
15.
How many significant figures: 0.012 km
a)
1
b)
2
c)
3
d)
4
16.
How many significant figures: 0.001 g
a)
4
b)
3
c)
2
d)
1
17.

How many significant figures: 450 m

a)

3

b)

2

c)

1

d)

0

18.
Round 0.010229 to four sig figs
a)
1022
b)
1023
c)
0.01023
d)
0.01022
19.
Round 1047.78 to three sig figs
a)
104
b)
105
c)
1050
d)
1050.00
20.
Calculate 12.47 m ÷ 3.2 s and give your answer with the correct number of significant figures.
a)
4 m/s
b)
3.9 m/s
c)
3.90 m/s
d)
3.897 m/s
21.

Write in scientific notation. 0.000024

a)

2.4 x 104

b)

2.4 x 105

c)

2.4 x 10-4

d)

2.4 x 10-5

22.

Write in scientific notation. 59000

a)

5.9 x 104

b)

5.9 x 10-4

c)

5.9 x 103

d)

5.9 x 105

23.
What is 9.2 x 104 in standard notation?
a)
9,200
b)
92,000
c)
920,000
d)
920
24.
What is 2.8 x 10-4 in standard notation?
a)
28,000
b)
280,000
c)
.00028
d)
.000028
25.
What is the volume of this block
a)
168 cm3
b)
17 cm3
c)
10 cm3
d)
145 cm3
26.
If the density of a bar of gold is 19.3 g/cm3 and 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
27.

How much liquid is represented?

a)

56 mL

b)

50.6 mL

c)

58 mL

d)

50.8 mL

28.

A cubic centimeter (cm3) is equal to

a)

1 milliliter (mL)

b)

1 liter (L)

c)

1 foot

d)

1 meter (M)

29.
A student has a rectangular block. It is 2.13 cm wide, 3.05 cm tall, and 25.00 cm long. It has a mass of 600.95 g. What is the volume of the block?
a)
30.18 cm3
b)
162 cm3
c)
0.27 cm3
d)
3.7 cm3
30.
You estimate that 200 people attend a school concert. The actual attendance was 240.   What is the percent error?
a)
20%
b)
-20%
c)
-16.7%
d)
16.7%
31.
This bullseye demonstrates...
a)
High Accuracy & High Precision
b)
High Accuracy & Low Precision
c)
Low Accuracy & High Precision
d)
Low Accuracy & Low Precision
32.

How close a measurement is to the accepted value is called..

a)

Accuracy

b)

Precision

c)

Significant

d)

Estimate

33.
?
a)
High Accuracy & High Precision
b)
High Accuracy & Low Precision
c)
Low Accuracy & High Precision
d)
Low Accuracy & Low Precision
34.
The students measured length during a science experiement, they got 12 cm. But the actual measurement was 14.25 cm. What was the percent error?
a)
15.79%
b)
18.75%
c)
2.25%
d)
18%
35.

How many inches are in 1 mile? (5280ft = 1mi; 12in = 1ft)

a)

66330in

b)

63360in

c)

63660in

d)

63066in

36.

How many kilograms of calcium are there in 173 pounds of calcium? (1 lb = 454 g; 1 kg = 1000 g)

a)

1.10 kg

b)

78.5 kg

c)

110 kg

d)

78500 kg

37.
How many minutes are in a year?
a)
I can't count that high.
b)
525,600min
c)
52,560min
d)
31,536,000min
38.

A(n) is a substance that is made up of one kind of atom.

a)

atom

b)

element

c)

compound

d)

molecule

39.

A(n) ______ is composed of two or more atoms held together by chemical bonds.

a)

atom

b)

element

c)

compound

d)

molecule

40.

A _____________ contains a variety of elements and compounds that are not chemically combined with each other.

a)

compound

b)

element

c)

molecule

d)

mixture

41.

A ______________ mixture is one that does not have a uniform composition.

a)

heterogeneous

b)

homogenous

c)

pure substance

42.

A _________________ mixture is one where the substances are evenly spread throughout.

a)

heterogeneous

b)

homogeneous

c)

pure substance

43.

Burning a piece of paper is an example of a

a)

Physical Change

b)

Chemical change

44.

Tearing paper into small pieces is an example of a

a)

Mixture

b)

Physical change

c)

Chemical change

45.

Which of the following is a physical change?

a)

Ice melting

b)

Baking potatoes

c)

Rusty nail

d)

Rotting wood

46.
The amount of matter in an object is a measure of the object's ________________.
a)
volume
b)
density
c)
mass
d)
solubility
47.
The 3 State of Matter are?
a)
Idaho, Texas, and Florida
b)
Matter, Mass, and Weight
c)
Solids, Liquids, and Gas
d)
Steel, Copper, and Brass
48.
What type of property is the ability to combust?
a)
Physical property
b)
Chemical property
49.
Which is an example of a physical property?
a)
ability to react with acid
b)
 color
c)
flammability
d)
ability to react with oxygen
50.
Physical properties are
a)
properties that can be observed without changing the identity of the substance
b)
properties that describe how a substance changes into a completely different substance
c)
properties that we can only observe with our eyes
d)
properties that we need special tools to observe
51.
What is the ability of a substance to be pulled into a thin strand?
a)
Malleability
b)
Ductility 
c)
Conductivity
d)
Solubility
52.
What is the ability of a substance to be rolled or pounded into a thin sheet?
a)
Malleability
b)
Ductility
c)
Conductivity
d)
Solubility
53.
What is the ability of a substance to allow heat, sound, or electricity to flow through it?
a)
Malleability
b)
Ductility
c)
Solubility
d)
Conductivity
54.
What is the ability of a substance to dissolve into another substance?
a)
Malleability
b)
Ductility
c)
Solubility
d)
Conductivity

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