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Unit Conversions, D.A., Phys/Chem Changes

Total questions: 48

Worksheet time: 39mins

Name
Class
Date
1.

1 Meter = ______cm

a)

100

b)

10

c)

1

d)

1000

2.
1 Km = ______m
a)
1
b)
10
c)
100
d)
1000
3.
100 cm = ______m
a)
1
b)
10
c)
100
d)
1000
4.
13 kg = ___ g
a)
13,000 g
b)
1.3 g
c)
0.13 g
d)
1,300 g
5.
45 cm = ___ mm
a)
450 mm
b)
4,500 mm
c)
45 mm
d)
4.5 mm
6.
convert 12 mm to m
a)
0.12
b)
0.012
c)
1.2
d)
0.0012
7.

Convert 1800g to kg.

a)

18 kg

b)

1.8 kg

c)

180 kg

d)

0.18 kg

8.

Which SI unit is used to measure mass?

a)

s

b)

m

c)

kg

d)

Pa

9.

Which SI unit is used to measure length?

a)

mol

b)

m

c)

kg

d)

m2

10.

Which SI unit is used to measure density?

a)

m

b)

m2

c)

m3

d)

kg/m3

11.

Which of the following is the correct prefix for 10-6?

a)

milli-

b)

nano-

c)

mega-

d)

micro-

12.

Which of the following is the correct prefix for 106?

a)

kilo-

b)

giga-

c)

mega-

d)

micro-

13.

Which of the following is the correct prefix for 10-2?

a)

milli-

b)

centi-

c)

deca-

d)

hecto-

14.
15,000 g = _____ kg
a)
12 kg
b)
15 kg
c)
150 kg
d)
1,500 kg
15.
1 miles = ______ feet
a)
5200
b)
5280
c)
5290
d)
6000
16.
Which unit of measurement is greatest?
a)
decimeters
b)
millimeters
c)
centimeters
d)
kilometers
17.
1 L = _______ mL
a)
1
b)
10
c)
100
d)
1000
18.

There are 8 fwoops in a berg. How many bergs are in 2.4 fwoops?

a)

19.2 bergs

b)

0.3 bergs

c)

24 bergs

d)

0.5 bergs

19.

There are 5 opes in a wiggle. How many wiggles are in 15 opes?

a)

1/3 opes

b)

5 opes

c)

3 opes

d)

12 opes

20.
Use the image below to measure the blocks. Enter your answer in centimeters accurate to the 0.1 cm.
a)
4.3 cm
b)
4.5 cm
c)
4 cm
d)
3.5 cm
21.
Convert the Ironman triathlon biking portion of the 180.25 km race to miles. Round to the nearest whole mile.
a)
112 mi
b)
110 mi
c)
114 mi
d)
12 mi
22.

Matter

a)

cannot be created or destroyed

b)

can be destroyed

c)

can be created

d)

can produce a physical change

23.

What evidence would indicate that a chemical change has occurred?

a)

The tablets dissolved in water.

b)

The water becomes cloudy.

c)

The water level increases slightly.

d)

Bubbles are given off.

24.

Shauna is making breakfast for her family. During which step of preparing breakfast did Shauna observe a chemical change?

a)

When she cracked eggs into a bowl and they changed shape.

b)

When she poured milk on cereal and it was no longer dry.

c)

When she squeezed oranges and juice came out.

d)

When she toasted bread and it turned brown.

25.

Which of these is an element?

a)

U

b)

Ag2O

c)

sand

d)

H2O

26.

Which is a compound?

a)

Co

b)

CO

c)

C

d)

Cu

27.

Which is a heterogeneous mixture?

a)

Air

b)

sand and water in a bucket

c)

tap water

d)

pure water

28.

Which is a chemical change?

a)

dissolving

b)

freezing

c)

melting

d)

burning

29.

Which of these is a physical property of matter?

a)

color

b)

reactivity with acids

c)

reactivity with water

d)

flammibility

30.

Which is a chemical property of matter?

a)

reactivity with acids

b)

color

c)

density

d)

odor

31.

Is this a chemical or physical change

a)

chemical

b)

physical

32.

Is this a chemical or physical change

a)

chemical

b)

physical

33.
which one is the definition of chemical property?
a)
a property or characteristic of a substance that is observed during a reaction where the chemical composition of a substance is changed
b)
any change that results in the formation of new chemical substances
c)
combustibility
34.
what is the definition of chemical change?
a)
any change that results in the formation of new chemical substances. 
b)
changing clothes
c)
matter cannot be created or destroyed, only change form
d)
changes affecting the form of a chemical substance, but not its chemical composition.
35.
How do you know what a chemical change has occurred?
a)
A smell was created
b)
Bubbles were created
c)
A noise was created
d)
A new substance was created
36.
Which is NOT a sign of a chemical change?
a)
Change in color
b)
Gas or heat was produced
c)
New substance is formed
d)
Change of state
37.
Photosynthesis
a)
Chemical
b)
Physical
38.
Change in size
a)
Chemical
b)
Physical
39.
Is melting butter for popcorn a chemical or physical change?
a)
chemical
b)
physical
40.
Which type of change involves breaking the bonds in a substance in order to form new ones?
a)
Chemical Change
b)
Physical Change
41.
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
42.
How would you write 4.3756 x 104 in standard form?
a)
437,560,000
b)
0.00043756
c)
43,756
d)
4,3756
43.
How would you write -5.6 x 10-3 in standard form?
a)
0.0056
b)
-5,600
c)
0.00056
d)
-0.0056
44.
When writing a number in scientific notation, the first number must be greater than 1, but less than 10.
a)
False
b)
True
45.
Which of the following is correct scientific notation?
a)
20.35 x 104
b)
.2035 x 104
c)
2035 4
d)
2.035 x104
46.

How many sig figs are in the following measurement? .002080 km

a)

6

b)

3

c)

2

d)

4

47.

How many sig figs should your answer contain? 2.8 x 102 cm x .003 cm

a)

1

b)

2

c)

3

d)

unlimited

48.

Which is the correct answer? 100.309 m + .09 m + 12.67 m

a)

1 x 102 m3

b)

113 m

c)

113.07 m

d)

113.069 m

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