wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Chem Unit 1 Study Guide

Total questions: 116

Worksheet time: 5hrs 21mins

Name
Class
Date
1.

Which is the property of matter in which a substance can transfer heat or electricity?

a)

magnetism

b)

conductivity

c)

density

d)

solubility

2.

Serena is mixing a material into a beaker filled with a liquid. She notices that the material seems to disappear into the liquid. What physical property of the material is Serena most likely observing?

a)

solubility

b)

conductivity

c)

magnetism

d)

density

3.

What happens when a substance undergoes a physical change?

a)

Some physical properties change, but the substance keeps its identity.

b)

No physical properties change, and the substance keeps its identity.

c)

Some physical properties change, and the substance changes its identity.

d)

No physical properties change, but the substance changes its identity.

4.

Which can occur in a physical change?

a)

The mass can increase.

b)

The particles can arrange in different ways.

c)

The mass can decrease.

d)

The atoms can bond to different atoms.

5.

When liquid gold becomes a solid, its particles get closer together. Which best describes what happened to the gold?

a)

the conservation of magnetism

b)

the change in solubility in a physical change

c)

the change in melting point in a physical change

d)

the rearrangement of particles in a physical change

6.

What is an example of a physical change?

a)

having less ash than the paper that was burned to form it

b)

ice forming and then melting back into water

c)

rust having a different identity than the iron it forms on

d)

the irreversible reaction of vinegar and baking soda

7.

The Statue of Liberty is made of copper that has turned green because it has undergone a change. What can be said about this change?

a)

The change is a physical change because the copper in the statue is still there.

b)

The change is a physical change because a new chemical is formed on the outside of the statue.

c)

The change is not a physical change because the color of the statue has changed.

d)

The change is not a physical change because a new chemical is formed on the outside of the statue.

8.

Which scenario is an example of a physical change?

a)

Wood is burned in a campfire and is turned into ash and smoke.

b)

A piece of metal is left in the rain and forms rust.

c)

Lead is melted into a liquid to form pellets.

d)

Yeast turns sugar into energy, water, and carbon dioxide gas.

9.

A scientist is examining an unknown solid. Which procedure would most likely help determine a chemical property of the substance?

a)

heating it to find the temperature at which it melts

b)

exposing it to a flame to see if it catches on fire

c)

hitting it with a hammer to determine if it breaks or bends

d)

placing it in water to find out whether or not it dissolves

10.

Which characteristic of a substance is considered a chemical property?

a)

its boiling point

b)

its reactivity

c)

its density

d)

its conductivity

11.

Which statement best describes what happens during a chemical change?

a)

Some properties of a substance change, but its identity remains the same.

b)

Both the identity and the properties of a substance change.

c)

The chemical properties of a substance change, but its physical properties remain the same.

d)

The physical properties of a substance change, but its chemical properties remain the same.

12.

In a science lab, Cash mixes two clear liquids together in a beaker. Bubbles are produced, and a white solid forms and settles to the bottom. He plans to heat the beaker over low heat and make more observations. In a science lab, Cash mixes two clear liquids together in a beaker. Bubbles are produced, and a white solid forms and settles to the bottom. He plans to heat the beaker over low heat and make more observations.

a)

A physical change occurred, so if Cash heats it, the white solid will dissolve to form the original mixture of clear liquids.

b)

A physical change occurred, so even if Cash heats it, the white solid will remain.

c)

A chemical change occurred, so if Cash heats it, the white solid will dissolve to form the original mixture of clear liquids.

d)

A chemical change occurred, so even if Cash heats it, the white solid will remain.

13.

What is the outcome of all chemical changes when two substances are combined?

a)

A new substance forms with identical properties.

b)

The two substances release an odor.

c)

The two substances change color.

d)

A new substance forms with different properties.

14.

Which laboratory activity involves a chemical change?

a)

boiling saltwater for several minutes until only solid salt remains

b)

extracting iron filings from a sand mixture using a magnet

c)

leaving a copper penny in vinegar until it turns green

d)

crushing a rock with a hammer to extract mineral deposits

15.

Which event always involves a chemical change?

a)

boiling

b)

melting

c)

conducting

d)

burning

16.

Goggles are worn in the laboratory

a)

A. to avoid eye strain.

b)

B. to improve your vision

c)

C. only if you don’t have corrective glasses.

d)

D. any time chemicals, heat, or glassware are used.

17.

If you do not understand a direction or part of a lab procedure, you should—

a)

Figure it out as you do the lab

b)

Try several methods until something works

c)

ask the instructor before proceeding

d)

skip it and go on to the next part

18.

After completing an experiment, all chemical wastes should be—

a)

Left at your lab station for the next class

b)

Disposed of according to your instructor's directions

c)

Dumped in the sink

d)

Taken home

19.

If you have been injured in a laboratory by a cut or burn, first you should—

a)

Visit the school nurse after class

b)

See a doctor after school

c)

Tell the science teacher at once

d)

Apply first aid to yourself

20.

Long hair in the laboratory must be

a)

cut short

b)

held away from the experiment with one hand

c)

always neatly groomed

d)

tied back or kept entirely out of the way with a hair band

21.

Which of the following may be worn in a laboratory while completing a lab assignment

a)

loose clothing

b)

dangling jewelry

c)

sandals

d)

contact Lenses

22.

horseplay and practical jokes in the laboratory are

a)

always against the rules

b)

okay

c)

not dangerous

d)

okay if you are working alone

23.

When you finish working with chemicals, biological specimens, and other lab substances, always

a)

treat your hands with skin lotion

b)

wipe your hands on your pants

c)

wash your hands thoroughly with soap and water

d)

none of the above

24.

If a harmful chemical splashes in your eyes or on your skin, you should—

a)

ignore it and hope it goes away.

b)

wipe it off with a paper towel and finish the lab.

c)

flush with water at the eyewash station or in the lab shower and tell the teacher.

d)

run to the bathroom.

25.
When in the lab...
a)
long sleeves and loose clothing should be rolled up
b)
closed toe shoes should be worn
c)
long hair should be pulled back
d)
all of the above
26.
All chemicals in the lab are to be considered dangerous
a)
True
b)
False
27.
Eating in the lab is okay, as long as you clean up your mess.
a)
True
b)
False
28.
Laboratory work can be started immediately upon entering the laboratory even if the instructor is not yet present
a)
True
b)
False
29.
When working in the lab, you always...
a)
work with only members of your group with a business-like attitude
b)
ask questions when in doubt about procedures
c)
clean up after yourself 
d)
all of the above
30.
Helping to clean up the lab or classroom is the job of
a)
old students.
b)
transfer students.
c)
each and every student.
d)
only the teacher.
31.

What is Lindsey doing wrong?

a)

not paying attention

b)

not wearing goggles

c)

long loose hair

d)

all of these

32.

If a laboratory fire erupts, immediately _________.

a)

Run for the fire extinguisher.

b)

Notify your instructor.

c)

Throw water on the fire.

d)

Open the windows.

33.

You are heating a substance in a test tube. Always point the open end of the test tube ________.

a)

Toward yourself.

b)

Toward your lab partner.

c)

Toward another classmate.

d)

Away from all people.

34.

Hot glass looks the same as cold glass.

a)

True

b)

False

35.
The proper technique for smelling chemicals is ______________
a)
keeping your nose close to the glassware
b)
wafting
c)
to sniff only a small amount
d)
Trick question; you never are allowed to smell chemicals in class
36.
Keeping your work area neat and clean is important because:
a)
My teacher is a neat-freak
b)
I won't lose my supplies in the clutter.
c)
It keeps the room from looking messy.
d)
It helps prevent accidents.
37.

When is it OK to eat or drink at the lab tables?

a)

Always

b)

Only during group work, not during labs

c)

Never

d)

Whenever I'm hungry

38.

The following activity is permitted in the laboratory

a)

chewing gum

b)

eating

c)

drinking

d)

none of the above

39.

in the lab, you should NEVER

a)

taste substances being used

b)

wear your goggles

c)

pull your hair up if its long

d)

wear close-toed shoes

40.
If you are not sure what to do during a lab activity:
a)
guess
b)
change lab partners
c)
ask a teacher
d)
just sit quietly and do nothing
41.

You are heating a piece of glass and now want to pick it up. You should

a)

use a rag or paper towels.

b)

pick up the end that looks cooler.

c)

use tongs.

d)

pour cold water on it.

42.

If you are injured in the laboratory, you should first

a)

visit the nurse after class.

b)

see a doctor after school.

c)

notify your science instructor.

d)

apply first aid yourself.

43.

Chipped or cracked glassware is okay to use in the laboratory.

a)

True

b)

False

44.

Holding 50 mL of boiling water

a)

beaker or flask

b)

forceps

c)

pipette

d)

gloves

45.

Measuring the length of a piece of evidence

a)

shoe

b)

scale

c)

metric ruler

d)

thermometer

46.

Protecting your eyes from chemicals

a)

goggles or face shield

b)

hat

c)

cover slip

d)

magnifying glass

47.

Used to drop small amounts of chemicals into a substance

a)

pipette

b)

forceps

c)

beaker or flask

d)

cover slip

48.

Measuring the temperature of a boiling glucose mixture

a)

beaker or flask

b)

thermometer

c)

metric ruler

d)

pipette

49.

Holding a set of 5 test tubes while you test the acidity of the solutions

a)

test tube rack

b)

gloves

c)

stage clips

d)

calipers

50.

What is used to measure, heat, and mix large amounts of liquids?

a)

beaker

b)

flask

c)

test tube

d)

graduated cylinder

51.

Which equipment holds, measures, and mixes liquids, and measures in milliliters?

a)

flask

b)

test tube

c)

beaker

d)

graduated cylinder

52.

Which equipment heats objects with an open flame?

a)

hot plate

b)

thermometer

c)

bunsen burner

d)

beaker

53.

This is used to pour lab materials into an object with a small opening

a)

scoop

b)

funnel

c)

bunsen burner

d)

goggles

54.

This is used to clean test tubes

a)

test tube brush

b)

ruler

c)

forceps

d)

test tube

55.

This is used to find the volume of a liquid

a)

graduated cylinder

b)

inference

c)

observation

d)

triple beam balance

56.
a)

stopper

b)

forceps

c)

tripod stand

d)

test tube holder

57.
a)

funnel

b)

test tube

c)

balance

d)

forceps

58.
a)

hat rack

b)

scale

c)

thingamabob

d)

test tube rack

59.

Used to transfer small amount of liquid

a)

graduated cylinder

b)

test tube

c)

scoopula

d)

pipette

60.

Used to find the mass of an object

a)

meter stick

b)

digital balance

c)

petri dish

d)

triple beam balance

61.

Used to transfer small amounts of solids

a)

pipette

b)

scoopula

c)

thermometer

d)

pestle

62.

This is used to safely heat glassware

a)

wire gauze

b)

plate

c)

steel wool

d)

chainmail

63.

This is used to hold any of the clamps

a)

Ring Stand

b)

Stick

c)

Base

d)

Pole

64.

This is used to hold small amounts of solid chemicals

a)

Watch Glass

b)

Ring stand

c)

Balance

d)

Scale

65.

These can be used for crucibles or beakers (if plastic-tipped)

a)

Crucible tongs

b)

Crucible Clamp

c)

Ring Stand

d)

Iron Ring

66.

This is used to safely mix chemicals

a)

Glass Stirring Rod

b)

Baseball Bat

c)

Test Tube

d)

Stir thingy

67.

This is used for evaporating liquids

a)

Evaporating Dish

b)

Freezing Dish

c)

Dinner Dish

d)

Lunch Dish

68.
Change from standard form to scientific notation: 12,000,000
a)
12.0  x  107
b)
0.12  x  107
c)
1.2  x  106
d)
1.2  x  107
69.
Change from standard form to scientific notation: 12,000,000
a)
12.0  x  107
b)
0.12  x  107
c)
1.2  x  106
d)
1.2  x  107
70.
Change from standard form to scientific notation:  450,000
a)
4.5  x  105
b)
45  x  105
c)
4.5  x  104
d)
4.5  x  106
71.
Change from standard form to scientific notation:  0.000398
a)
39.8  x  10-5
b)
3.98  x  10-5
c)
3.98  x  10-4
d)
39.8  x  10-6
72.
Change from standard form to scientific notation: 0.004078
a)
4.078  x  10-3
b)
4.078  x  103
c)
40.78  x  10-4
d)
.4078  x  10-2
73.
125,678,000: Change to scientific notation
a)
1.25678  x  1012
b)
.125678  x  10-9
c)
12.5678  x  108
d)
1.25678  x  108
74.
Which number is correctly written in scientific notation?
a)
5.67 x 105
b)
56.7 x 103
c)
0.567 x 106
75.
Which number is correctly written in scientific notation?
a)
8.2 x 102
b)
82 x 107
c)
3.45 x 94
76.
Which is the smallest?
1.3 x 1020
2.9 x 1021
9.5 x 1032
8.4 x 1019
a)
1.3 x 1020
b)
2.9 x 1021
c)
9.5 x 1032
d)
8.4 x 1019
77.

Which of the following numbers is written in correct scientific notation?

a)

64.2⋅10264.2\cdot10^2  

b)

6.42⋅1036.42\cdot10^3  

c)

0.642⋅1040.642\cdot10^4  

d)

62406240  

78.

How is the following number written in scientific notation?

450,000

a)

4.5  x  105

b)

45  x  105

c)

4.5  x  104

d)

4.5  x  106

79.

How is the number below written in scientific notation?

0.000398

a)

39.8  x  10-5

b)

3.98  x  10-5

c)

3.98  x  10-4

d)

39.8  x  10-6

80.

Which of the following is the correct way to write 3.97  x  10-2 in standard form?

a)

0.000397

b)

0.0397

c)

0.0000397

d)

0.397

81.

Which is the correct way to write the number 3.5 x 106  in standard notation?

a)

0.0000035

b)

35,000,000

c)

3,500,000

d)

0.00000035

82.
What two types of measurements make up DENSITY? 
a)
Mass and Volume
b)
Temperature and Mass
c)
Grams and Centimeters
d)
Volume and Weight
83.
Jack has a rock. The rock has a mass of 14g and a volume of 2cm3. What is the density of the rock?
a)
7 mL
b)
7 g/cm3
c)
28 g/cm3
d)
1/7 g/cm3
84.
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
85.
What units are used to measure mass?
a)
g
b)
cm3
c)
g/cm3
d)
cm3/g
86.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
87.
Calculate the density of the cube.
a)
2 g/cm3
b)
4 g/cm3
c)
6 g/cm3
d)
8 g/cm3
88.
Which units of measurement are used for volume?
a)
grams
b)
centimeters
c)
grams/milliliter
d)
milliliter
89.
What units are used to measure Density?
a)
cm3/g
b)
g
c)
g/cm3
d)
cm3
90.
a)

15 cm3

b)

50 cm3

c)

150 cm3

d)

180 cm3

91.

When you put an object in a graduated cylinder of water and measure how much the water level changed what is this process called?

a)

Relative Density

b)

Displacement

c)

Density

92.
What is the volume of Object X?
a)

10.0 ml

b)

15.0 ml

c)

20.0 ml

d)

25.0 ml

93.
What is the volume of the fish?
a)

18.0 ml

b)

6.0 ml

c)

38.0 ml

94.
An irregularly shaped piece of gold was lowered into a graduated cylinder holding a volume of water equal to 17 ml. The height of the water rose to 20 ml. If the mass of the gold was 27 g, what was its density?
a)
9 g/mL
b)
10.5 g/mL
c)
6.5 g/mL
d)
8 g/mL
95.
How much water has been displaced in the image shown?
a)
40 mL
b)
65 mL
c)
20 mL
d)
25 mL
96.
Where can matter be found?
a)
Everywhere
b)
On Earth only
c)
In a solid and liquid only
97.
How does the mass of a bowling ball on Earth compare to its mass on the moon?
a)
The mass will be greater on the moon
b)
The mass will be less on the moon
c)
The mass will stay the same
98.
Jack has a rock. The rock has a mass of 14 g and a volume of 2 cm3. What is the density of the rock?
a)
7 mL
b)
7 g/cm3
c)
28 g/cm3
d)
1/7 g/cm3
99.
Frank has an eraser. It has a mass of 4 g, and a volume of 2 cm3. What is its density?
a)
8 g/cm3
b)
2 g/cm3
c)
1/2 g/cm3
d)
24 g/cm3
100.
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
101.
Jill has a gel pen. The gel pen has a mass of 8g and a volume of 2cm3. What is the density of the pen?
a)
4 g/cm3
b)
16 g/cm3
c)
.25 g/cm3
d)
64 g/cm3
102.

A person's mass on Earth would be __________ when they go to the moon.

a)

More

b)

Less

c)

The same

103.

A person's weight on Earth will be ____________ compared to when they travel to the moon.

a)

More

b)

Lrss

c)

The same

104.

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

a)

Accuracy

b)

Precision

c)

Significant

d)

Estimate

105.
When a measurement is repeatable and consistent it is said to have...
a)
High precision
b)
Low precision
c)
High accuracy
d)
Low accuracy
106.
This bullseye demonstrates...
a)
High Accuracy & High Precision
b)
High Accuracy & Low Precision
c)
Low Accuracy & High Precision
d)
Low Accuracy & Low Precision
107.
?
a)
High Accuracy & High Precision
b)
High Accuracy & Low Precision
c)
Low Accuracy & High Precision
d)
Low Accuracy & Low Precision
108.
Which is the more precise measurement?
a)
4 mL
b)
4.3 mL
109.
This bullseye demonstrates...
a)
High Accuracy & High Precision
b)
High Accuracy & Low Precision
c)
Low Accuracy & High Precision
d)
Low Accuracy & Low Precision
110.
The attendance for the basketball game was estimated to be 15,000 people but 12,500 people attended. What was the percent error?
a)
16.67%
b)
20%
c)
2500%
d)
80%
111.

The students measured length during a science experiment, 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%

112.

The deer population is estimated to be 17,600 in northern Illinois, but an actual count was 21,300. What is the percent error?

a)

21%

b)

17.37%

c)

17.4%

d)

21.02%

113.
Jessie estimates the weight of her cat to be 8 pounds.  The actual weight of the cat was 10 pounds.  Find the percent error.  
a)
15%
b)
20%
c)
25%
d)
30%
114.

A group of students measured the density of a copper cube to be 8.44 g/mL. When they looked at the density table for copper it read 8.94 g/mL.  Use the formula to calculate the groups % error.

a)
b)

4.47% error

c)

25% error

d)

10% error

e)
115.

In the formula for % error. The error is

a)

the difference between experimental value and accepted value

b)

is 100%

c)

the error is accepted value X experimental value

d)
116.

What is the length of the blue line?

a)

.3 cm

b)

.33 cm

c)

.03 cm

d)

3.219 cm

Similar Resources on Wayground

HC Semester 2 Review

114 questions

HC Semester 2 Review

quiz

Worksheet

•

11th Grade

Naming Compounds

118 questions

Naming Compounds

quiz

Worksheet

•

10th - 12th Grade

AP Chemistry Thou Shalt Not Forget

112 questions

AP Chemistry Thou Shalt Not Forget

quiz

Worksheet

•

9th - 12th Grade

Periodic Table Elements and Symbols

118 questions

Periodic Table Elements and Symbols

quiz

Worksheet

•

7th Grade - University

Chapter 1 L.1,2 Atomic theories

119 questions

Chapter 1 L.1,2 Atomic theories

quiz

Worksheet

•

11th Grade

1st 6-weeks test review

114 questions

1st 6-weeks test review

quiz

Worksheet

•

10th - 11th Grade

First Semester Chemistry Final Exam Review

117 questions

First Semester Chemistry Final Exam Review

quiz

Worksheet

•

10th - 12th Grade