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Unit 0 and 1 Total Review for Test

Total questions: 85

Worksheet time: 2hrs 4mins

Name
Class
Date
1.
Density
a)
Physical Property
b)
Chemical Property
2.
Flammability (burns)
a)
Physical Property
b)
Chemical Property
3.
Solubility (dissolves)
a)
Physical Proeprty
b)
Chemical Property
4.
Reacts with water
a)
Physical Property
b)
Chemical Property
5.
Your friend decides to toast a piece of bread, but leaves it in the toaster too long. The bread is black and the kitchen if full of smoke. 
a)
Physical Change
b)
Chemical Change
6.
You take out your best silver spoons and notice that they are very dull and have some black spots. 
a)
Physical Change
b)
Chemical Change
7.
Chewing food to break it down into smaller particles represents a _________ change, but the changing of starch into sugars by enzymes in the digestive system represents a ___________change. 
a)
Chemical then Physical 
b)
Physical then Chemical
c)
Both Physical
d)
Both Chemical
8.
Is milk going sour a physical or chemical change?
a)
Physical 
b)
Chemical
9.
a)

Student A

b)

Student B

c)

Student C

d)

Cannot be determined

10.

(a)   is a measure of how close measurements come to each other when they are made in the same way.

11.
This bullseye demonstrates...
a)
High Accuracy & High Precision
b)
High Accuracy & Low Precision
c)
Low Accuracy & High Precision
d)
Low Accuracy & Low Precision
12.

Jessie estimates the weight of her cat to be 8 pounds. The actual weight of the cat was 10 pounds.


What was the percent error?


*Hint: You now know how to calculate error, and you should know how to calculate a percent, so put the two together to find this answer.

a)

15%

b)

20%

c)

25%

d)

30%

13.

A set of data are all close in value to each other, but they are not close to the actual value. This set of data can be described as _________________.

a)

precise

b)

accurate

14.

Look at the image. Choose the qualitative observation.

a)

It is a flower.

b)

The petals are red.

c)

There are 8 petals.

15.

My fingernail is 2 cm long.

a)

Qualitative

b)

Quantitative

16.

She is 150 cm tall.

a)

Qualitative

b)

Quantitative

17.

There are 5 windows in the classroom.

a)

Qualitative

b)

Quantitative

18.

The penguins are black and white.

a)

Qualitative Observation

b)

Quantitative Observation

19.
The temperature of the room is decreasing by 4 degrees Celsius.
a)
Qualitative
b)
Quantitative
20.

A block has a mass of 20.0 g and a volume of 40.0 cm3. What is its density?

a)

2.0 g/cm3

b)

1.2 g/cm3

c)

0.5 g/cm3

d)

4.0 g/cm3

21.
If you have a gold brick that is 2 cm by 3 cm by 4 cm and has a density of 19.3 g/cm3, what is its mass?
a)

263.5 g/cm3

b)
463.2 g
c)
0.804 kg
d)

2.804 g

22.
A bar of copper has a mass of 216g and a volume of 24cm3. What is the density of copper?  
a)
9g/cm3
b)
.11g/cm3
c)
5184g/cm3
d)
322mL
23.
A city has a population of 8792 people. The area of the city is approximately 6.5 square miles. Approximately, how many people per square mile live in the city?
a)
57148
b)
208
c)
1353
d)
135
24.

Which box has a higher density?

a)

A

b)

B

c)

They both have the same density.

25.

144 + 12.221 = ?

(a)  

26.
Calculate 923 g ÷ 20312 cm3 and give your answer with the appropriate number of significant figures.
a)
0.04 g/cm3
b)
0.045 g/cm3
c)
0.0454 g/cm3
d)
4 x 10-2 g/cm3
27.

Express 500,000 to two significant figures.

a)

50.

b)

5.0

c)

50. x 104

d)

50. x 105

e)

5.0 x 105

28.

The dimensions of rectangular solid are measured to be 1.27 cm, 1.3 cm, and 2.5 cm. The volume should be recorded as

a)

4.128 cm3.

b)

4.12 cm3.

c)

4.13 cm3.

d)

4.1 cm3.

29.

Complete the operation:


(4 x 10^3) + (8 x 10^3)

a)

1.2 x 10^4

b)

1.2 x 10^3

c)

12 x 10^3

d)

12 x 10^4

30.

How do you write the number 0.000023 in scientific notation?

a)

2.3 x 10^5

b)

2.3 x 10^-5

c)

23 x 10^4

d)

23 x 10^-4

31.

Complete the operation:


(8 x 10^-3) / (4 x 10^-8)

a)

2 x 10^-11

b)

2 x 10^-5

c)

2 x 10^5

d)

2 x 10^11

32.

Calculate then round based on the rules for subtraction: round to the least # number of decimal places.

25 g-2.005 g =

a)

23 g

b)

22.995 g

c)

23.0

d)

22.99

33.
How many sig. fig. are in the number below:
350.540
a)
4
b)
5
c)
6
d)
7
34.
How many sig. fig. are in the number below:
0.0005
a)
1
b)
2
c)
3
d)
4
35.
How many sig figs are there?
0.00400
a)
1
b)
3
c)
5
d)
6
36.

Convert the following to scientific notation.

0.000480

a)

4.8 x 10-4

b)

4.80 x 10-4

c)

48 x 10-5

d)

4.80 x 104

37.
What is 0.0568 rounded to 1 significant figure?
a)
0
b)
0.06
c)
0.6
d)
0.57
38.
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
39.

What is the basic unit of mass in the metric system?

a)

Liter

b)

Meter

c)

Gram

d)

Kilometer

40.
Which unit is the smallest?  
a)
km
b)
mm
c)
m
d)
cm 
41.
Convert 5 cm to mm:
a)
5,000mm
b)
0.5 mm
c)
0.05 mm
d)
50 mm
42.

3.85 hg = _____ cg

a)

38,500

b)

3,850

c)

38.5

d)

0.000385

43.

270,000,000,000 pg = (a)   g

enter the number value only

44.

15000 J = (a)   kJ

enter the number value only

45.

378 mL = (a)   kL

enter the number value only

46.

900 cm ____ 9000 mm

a)

<

b)

=

c)

>

47.

Select the largest unit.

a)

kilogram

b)

centigram

c)

decigram

d)

decagram

48.
5,000 mg = ____ g
a)
50
b)
5
c)
500
d)
5,000
49.
1 L = _______ mL
a)
1
b)
10
c)
100
d)
1000
50.

Which of the following is a physical change?

1. Burning of wood 2. Melting of ice 3. Rusting of iron 4. Cooking of food

a)

Burning of wood

b)

Melting of ice

c)

Rusting of iron

d)

Cooking of food

51.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
52.
Italian Salad Dressing is a . . .
a)
heterogeneous mixture
b)
homogeneous mixture
c)
Pure Substance
d)
Compound
53.
This picture represents: 
a)
Element
b)
Compound
c)
Mixture of Elements
d)
Mixture of Compounds
54.

A _____ is a substance that can be broken down into simple stable, substances.

a)

Atom

b)

Particle

c)

Compound

d)

Element

55.

Water has a constant boiling point of 100oC. Boiling points are examples of _____ which do not depend on the amount of matter in a sample.

a)

Extensive properties

b)

Intensive properties

c)

Chemical properties

d)

physical properties

56.

A friend asks you to you help lift a box. He points you over to the large box with 100 kg printed on the side. You know that that is a HEAVY box. The mass of this box is an example of _____ which depends on the amount of matter.

a)

Extensive properties

b)

Intensive properties

c)

Chemical properties

d)

Physical properties

57.

A student is observing a new substance. He notices that the substance is a white crystal with a mass of about 2 grams. What type of properties did you observe?

a)

Extensive property

b)

Intensive property

c)

Physical property

d)

Chemical property

58.

A student observes that a white crystal substance will start bubbling with added to acetic acid. This reaction is an example of what type of property?

a)

Extensive property

b)

Intensive property

c)

Physical property

d)

Chemical property

59.

A chemical is observed to melt at 0oC and boil at 100oC. These phase changes are a type of _____.

a)

Physical change

b)

Chemical change

c)

Chemical reaction

d)

Physical reaction

60.

Any type of chemical reaction will result in the creation of a new substance. For example, if you add sodium metal to water, you create sodium hydroxide and hydrogen gas. Based on the equation below, which is the products?

Na + H2O --> NaOH + H2

a)

Na + H2O

b)

NaOH + H2

c)

Na + H2

d)

H2O + NaOH

61.
What happens when a piece of wood burns?
a)
A physical change takes place.
b)
A chemical change takes place.
c)
The wood loses its gravity.
d)
The wood loses its inertia.
62.
Which property of a substance depends on how much of the substance there is?
a)
mass
b)
density
c)
boiling point
d)
melting point
63.
What is Kool-aid?
a)
element
b)
Heterogeneous Mixture
c)
Homogeneous Mixture
d)
Compound
64.
If a mixture has components you can see it is a...
a)
solution
b)
compound
c)
homogeneous mixture
d)
heterogeneous mixture
65.
Pure oxygen (O) is an example of...
a)
an element
b)
a mixture
c)
a compound
66.
Combinations of 2 or more substances (elements and compounds) that are physically blended together. 
a)
Compound
b)
Mixture
c)
Element
d)
Substance
67.
Exploding Fireworks?
a)
Physical Change 
b)
Chemical Change 
68.
Melting a chocolate bar?
a)
Physical Change
b)
Chemical Change 
69.
Cutting your hair?
a)
Physical Change
b)
Chemical Change
70.
The smallest basic unit of matter is the
a)
molecule.
b)
atom.
c)
compound.
d)
cell.
71.
Physical or chemical change?
sugar is dissolved into hot tea
a)
Physical
b)
Chemical
72.
Over time, pure silver that is exposed to air turns a strange greyish brown color. This is an example of a ________________ change. 
a)
Physical
b)
Chemical
73.
Reacts with acid
a)
Physical Property
b)
Chemical Property
74.

Baking soda (NaHCO3)

a)

Pure substance

b)

Heterogeneous mixture

c)

Homogeneous mixture

75.

Chromium (Cr)

a)

Pure substance

b)

Heterogeneous mixture

c)

Homogeneous mixture

76.

Brass (Cu + Zn)

a)

Pure substance

b)

Heterogeneous mixture

c)

Homogeneous mixture

77.

Pizza

a)

Pure substance

b)

Heterogeneous mixture

c)

Homogeneous mixture

78.

What is a chemical property of paper?

a)

Flammable

b)

White

c)

Light

79.

Is toasting bread a physical or chemical change?

a)

Physical

b)

Chemical

80.

Is crumpling a piece of paper a physical or chemical change?

a)

Physical

b)

Chemical

81.
a copper penny turning greenish after a few years.
a)
Chemical Change
b)
Physical Change
82.

Slicing a pellet of sodium metal into two pieces is an example of a ...

a)

Physical Property

b)

Physical Change

c)

Chemical Property

d)

Chemical Change

83.

Water being heated and changed to steam is an example of a ...

a)

Physical Property

b)

Physical Change

c)

Chemical Property

d)

Chemical Change

84.

Dyeing your hair blue for the pep rally is an example of a ...

a)

Physical Property

b)

Physical Change

c)

Chemical Property

d)

Chemical Change

85.

Cooking scrambled eggs for breakfast is an example of a ...

a)

Physical Property

b)

Physical Change

c)

Chemical Property

d)

Chemical Change

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