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Unit 1 Review

Total questions: 50

Worksheet time: 2hrs 32mins

Name
Class
Date
1.

1,221 km = ________ m

a)

1,221 m

b)

1,221,000 m

c)

1.221 m

d)

12,210 m

2.

29 mm = ______ m

a)

0.029 m

b)

290 m

c)

0.29 m

d)

0.0029 m

3.

35,400 mg = ________g

a)

3.5400 g

b)

3,540 g

c)

35.4 g

d)

354,000 g

4.

0.563 L = _____ mL

a)

5,630 mL

b)

5.63 mL

c)

56.3 mL

d)

563 mL

5.

The base unit for volume is the ______?

a)

milliliter

b)

centiliter

c)

deciliter

d)

liter

6.

The base unit for length in the metric system.

a)

Meters

b)

Base Units

c)

Metric System

d)

Conversion Factor

7.

The SI unit for mass is.....

a)

grams

b)

meters

c)

pounds

d)

liters

e)

ounces

8.
Write 0.000972 in scientific notation.
a)
9.72 x 10-4
b)
9.72 x 10-3
c)
972 x 10-4
d)
9.72 x 104
9.
Write 2.08 x 102  in standard form.
a)
208
b)
0.0208
c)
20,800
d)
0.208
10.
How would you write 50,000 in scientific notation?
a)
50 x 105
b)
5 x 104
c)
5 x 103
d)
.5 x 103
11.
How do you write
8.317 x 106
in standard form?
a)

8, 371. 000

b)
83, 170, 000
c)
837, 100
d)
8, 317, 000
12.
(2 x 109)(4 x 10-4)
a)
8 x 1013
b)
8 x 1036
c)
8 x 105
d)
8 x 10-36
13.
Solve:
(9 x 10-6) / (3 x 10-3) 
a)
27 x 10-9
b)
3 x 10-3
c)
3 x 10-9
d)
27 x 10-3
14.
How many significant digits are there in "0.94"?
a)
1
b)
2
c)
3
d)
none
15.
How many significant digits are there in "8003"?
a)
1
b)
2
c)
3
d)
4
16.
How many significant digits are there in "0.0805"?
a)
2
b)
3
c)
4
d)
5
17.

How many significant digits does 8200 have?

(a)  

18.
a)
beaker
b)
flask
c)
graduated cylinder
d)
test tube
19.
a)

crucible tongs

b)

beaker tongs

c)

forceps

d)

tweezers

20.
a)

iron ring

b)

ring stand

c)

face mask

d)

Bunsen burner stand

21.
a)
buret
b)
erlenmeyer flask
c)
graduated cylinder
d)
beaker
22.
a)
ignition tubes
b)
test tubes
c)
graduated cylinders
d)
burets
23.
a)
test tube rack
b)
test tube holder
c)
wire holder
d)
utility clamp
24.
Identify the equipment shown here:
a)
beaker
b)
Erlenmeyer flask
c)
Florence flask
d)
volumetric flask
25.
a)

scoopula

b)

dropper

c)

crucible tongs

d)

glassware tongs

26.
Identify the primary function of the lab equipment seen in the image.
a)
Transfer small amounts of liquid
b)
Transfer large amounts of liquid
c)
Measure liquid volume
d)
Mixing liquid chemicals
27.

Broken glass is best cleaned up using

a)

bare hands

b)

paper towels

c)

broom and dust pan

d)

just kick it under the table

28.

What should you use to put out a person on fire

a)

fire blanket

b)

fire extinguisher

29.

Who should clean up after a lab?

a)

classmates, not your job

b)

custodian

c)

teacher

d)

YOU

30.

Whenever you are working with chemicals, even water, you should wear

a)

airpods

b)

sunglasses

c)

goggles

d)

open toed shoes

31.

What is the last thing you should do before you leave lab

a)

read directions

b)

clean up

c)

eat a snack

d)

wash your hands

32.

This variable is the one thing that changed on purpose...

a)

Dependent Variable

b)

Control

c)

Independent Variable

33.

What is the DEPENDENT variable (effect) in this experiment?


"Does eating breakfast improve test scores?"

a)

eating breakfast or not

b)

the grade you got on the test

c)

what time you get up in the morning

d)

how tasty the breakfast is

34.

You are testing how the amount you water a plant affects its growth. What would be the INDEPENDENT VARIABLE in this experiment.

a)

They type of pot you put the plants in.

b)

The amount you water each plant.

c)

The amount of sunlight the plants get.

d)

The amount the plant grows.

35.

What is the manipulated variable?

a)

what we are changing or testing

b)

what we are observing or measuring

c)

what we keep the same to make the experiment fair

36.

What is the responding variable?

a)

what we are changing or testing

b)

what we are observing or measuring

c)

what we are keeping the same to make the experiment fair

37.

Based on the graph, how many more students are in the science club than the book club?

a)

20

b)

16

c)

46

d)

18

38.

Which month had the greatest number of books read?

a)

November

b)

December

c)

January

d)

February

39.

4,567 nm = ____________ Mm

a)

.000000000000004567

(14 zeros)

b)

.0000000000000004567

(15 zeros)

c)

4,567,000,000,000,000,000

(15 zeros)

d)

456,700,000,000,000,000

(14 zeros)

40.

7 m = ____________ Gm

a)

.000000007

(8 zeros)

b)

.000000007

(7 zeros)

c)

7,000,000,000

(9 zeros)

d)

700,000,000

(8 zeros)

41.

What is the Fahrenheit equivalent of 0°C?

a)

30°F

b)

32°F

c)

28°F

d)

0°F

42.

Convert: -45.9 °C to K:

a)

227.1 K

b)

400 K

c)

0 K

43.

Which of the following is the correct definition of density?

a)

The amount of stuff in an object

b)

The amount of space an object takes up

c)

A measure of the force of gravity on an object

d)

The amount of matter (mass) packed into a space (object)

44.

What is the density of an object if it has a mass of 6g and a volume of 3cm3? (Hint: Density = mass/volume)

a)

6 g/cm3

b)

3 g/cm3

c)

2 g/cm3

d)

1/3 g/cm3

45.
Solve. Round using SigFig math rules.
12.5-mL + 20.05-mL + 2.69-mL
a)
35-mL
b)
35.2-mL
c)
35.24-mL
d)
35.240-mL
46.
Solve. Round using SigFig math rules.
98.7°C - 97.25°C 
a)
1°C
b)
1.4°C
c)
1.45°C
d)
1.450°C
47.
86.04 + 4.04
a)
9.044
b)
9044
c)

90.1

d)
90.44
48.
Which of the following is the answer for the problem with the correct number of significant digits?
23.91 x 12.861 = 307.50651
a)
308
b)
307.51
c)
307.5
d)
307
49.

Which of the following is the answer for the problem with the correct number of significant digits?

0.0025 x 1.41

a)

0.00

b)

0.004

c)

0.00353

d)

0.0035

50.
Solve & Round to Correct Sig Figs.
4.5 + 4.32 = 
a)
8.8
b)
8.7
c)
8
d)
8.0

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