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✅Unit 1 Study Guide

Total questions: 131

Worksheet time: 30hrs 52mins

Name
Class
Date
1.
How would you write 4.3756 x 104 in standard form?
a)
437,560,000
b)
0.00043756
c)
43,756
d)
4,3756
2.
How would you write 0.0005 in scientific notation?
a)
50 x 105
b)

5 x 10-4

c)
5 x 103
d)
.5 x 103
3.
How would you write -5.6 x 10-3 in standard form?
a)
0.0056
b)
-5,600
c)
0.00056
d)
-0.0056
4.
Scientific Notation is made up of two number parts. The second part is a power of base 10.
a)
True
b)
False
5.
Scientific Notation is made up of two number parts. The first part should be a number between 1 and 100.
a)
True
b)
False
6.
When writing a number in scientific notation, the first number must be greater than 1, but less than 10.
a)
False
b)
True
7.
The rule of scientific notation is to write all exponents with a base of ____.
a)
50
b)
5
c)
100
d)
10
8.
How do you write
1001
in scientific notation?
a)
1.0001 x 104
b)
1.01 x 105
c)
1.001 x 103
d)
10.1 x 103
9.
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
10.
Which of the following is correct scientific notation?
a)
20.35 x 104
b)
.2035 x 104
c)
2035 4
d)
2.035 x104
11.
Express the following in scientific notation:
.000457
a)
457 x 106
b)
457 x 10-6
c)
4.57 x104
d)
4.57 x 10-4
12.
Express the following in standard notation:
8.025 x 10-8
a)
.00000008025
b)
.000000008025
c)
802,500,000,000
d)
80,250,000,000
13.
Convert to standard notation:
3.05 x 105 
a)
305,000
b)
305
c)
3,050,000
d)
30,500
14.
What is scientific notation?
a)
A long way to write really short  numbers
b)
A short way to write really long numbers
c)
I don't know...
d)
None of the above
15.
Express the following in scientific notation:
0.0000002203
a)
.02203 x 107
b)
22.03 x 10-6
c)
2.203 x 10-7
d)
22.03 x 106
16.
Is glass breaking a chemical or phyiscal change?
a)
chemical
b)
physical
17.
Is burning wood a chemical or physical change?
a)
chemical
b)
physical
18.
Is burning wood a chemical or physical change?
a)
chemical
b)
physical
19.
Is glass breaking a chemical or phyiscal change?
a)
chemical
b)
physical
20.
Is hammering wood together to build a house a chemical or physical change?
a)
chemical
b)
physical
21.
Is a a rusting bicycle a chemical or physical change?
a)
chemcial
b)
physical
22.
Is melting butter for popcorn a chemical or physical change?
a)
chemical
b)
physical
23.
Is spoiling food a physical or chemical change?
a)
phyiscal
b)
chemical
24.
Is making salt water to gargle with a physical or chemical change?
a)
physical
b)
chemical
25.
Is moldy cheese a chemical or physical change?
a)
chemical
b)
physical
26.
a copper penny turning greenish after a few years.
a)
Chemical Change
b)
Physical Change
27.
Green bananas turning yellow on their own as they ripen.
a)
Chemical Change
b)
Physical Change
28.
A change in the size, shape, or state of matter.
a)
chemical change
b)
physical change
c)
chemical reaction
d)
electron change
29.
Baking a cake by mixing flour, sugar, chocolate powder, eggs, and milk, and then heating them in the oven.
a)
Chemical Change
b)
Physical Change
30.
Which of the following is NOT an example of a physical change?
a)
crumpled paper
b)
pencil sharpening
c)
shrunken clothing
d)
sour milk
31.
A change in which NEW substances are formed.
a)
Chemical change
b)
Physical change
c)
Casual change
d)
Formal change
32.
Which of the following is NOT an example of chemical change?
a)
sour milk
b)
burning wood
c)
breaking a pencil
d)
rust
33.
Which of the following IS a physical change?
a)
Getting a haircut
b)
Rusty metal
c)
sour milk
d)
A compound
34.
Which of the following IS a chemical change
a)
using chalk
b)
water freezing
c)
slicing cheese
d)
digestion
35.
Which type of property is the ability to conduct electricity?
a)
physical property
b)
chemical property
36.
What kind of properties can only be observed when a substance changes into a different substance?
a)
physical properties
b)
chemical properties
c)
liquid properties
d)
real properties
37.
Which of the following properties is a physical property?
a)
magnetism
b)
reactivity with oxygen
c)
flammability
d)
non-reactive
38.
What characteristic defines all chemical changes?
a)
There is a change of state.
b)
Electricity is produced.
c)
A new material is formed.
d)
Bubbles are produced. 
39.
A physical property can be observed with your
a)
Eyes
b)
Ears
c)
Tastes
d)
All of the above
40.
What is anything that has mass and takes up space?
a)
matter
b)
substance
c)
chemistry
d)
property
41.

On which celestial object (outer space) would your mass be the greatest?

a)

Earth

b)

Jupiter

c)

Sun

d)

Your mass doesn't change on different celestial objects

42.
Why would you weigh less on the moon compared to Earth?
a)
less air
b)
less sunlight
c)
more gravitational pull
d)
less gravitational pull
43.

Protects the eyes from flying objects or chemical splashes

a)

goggles

b)

striker

c)

bunsen burner

d)

ring clamp

44.

A small glass container used to view chemical reactions or to heat small amounts of a substance

a)

test tube

b)

striker

c)

ring clamp

d)

funnel

45.

A wide-mouthed container used to transport, heat, or store substances

a)

beaker

b)

triple beam balance

c)

erlenmeyer flask

d)

eye dropper

46.

Used to light a Bunsen burner

a)

striker

b)

lab stand

c)

funnel

d)

goggles

47.

Attaches to a lab stand and used to hold a variety of lab equipment

a)

ring clamp

b)

lab stand

c)

erlenmeyer flask

d)

funnel

48.

Used to measure volume very precisely

a)

Graduated cylcinder

b)

lab stand

c)

Erlenmeyer flask

d)

Bunsen burner

49.

Used to pour liquids into containers with small openings or to hold filter paper

a)

funnel

b)

bunsen burner

c)

eye dropper

d)

ring clamp

50.

Used to heat objects

a)

Bunsen burner

b)

graduated cylinder

c)

ring clamp

d)

eye dropper

51.

cylindrical glass tube used for holding liquids or heating them over a Bunsen burner's flame

a)

graduated cylinder

b)

test tube

c)

beaker

52.
What is used to hold test tubes?
a)
Test tube rack
b)
Magnifying glass
c)
Petri dish
d)
Funnel
53.

Which of these activities is permitted during lab?

a)

running around

b)

eating

c)

drinking

d)

None of these

54.

Horseplay, practical jokes, or pranks in the lab are:

a)

always against the rules

b)

okay, as long as everybody laughs

c)

the fastest way to get an A in the class

d)

okay, as long as nobody loses an eye

55.

An observation made with your senses

a)

Qualitative observation

b)

Quantitative observation

c)

temperature

d)

conclusion

56.

What is an hypothesis?

a)

a guess

b)

a testable, tentative explanation

c)

a theory

d)

data

57.

Which of the following is an example of quantitative data?

a)

grey

b)

oily

c)

44.2oC

d)

Copper

58.

What is chemistry?

a)

the study of matter

b)

the study of the universe

c)

the study of science

d)

the study of numbers

59.

Substance formed by a chemical reaction

a)

reaction

b)

molecule

c)

product

d)

proton

60.

Substance that is changed by a chemical reaction

a)

reactant

b)

rotation

c)

restoration

d)

relaxation

61.

"Matter" is anything that...

a)

takes up space and has volume.

b)

takes up space and has mass.

c)

takes up air and has mass.

d)

takes up air and has volume.

62.

Weight is ...

a)

the force of gravity acting on your mass.

b)

how much matter you have in you.

c)

the same on every planet.

d)

how many cookies you ate over break.

63.

Mass is....

a)

how swoll you are.

b)

how heavy something is.

c)

how much volume something has.

d)

how much matter something has.

64.

A substance that is made up of only one (1) kind of atom is call an

(a)  

65.

Scientists have organized all the known elements in the ...

a)

Element Chart

b)

Periodic Table

c)

Element Table

d)

Periodic Chart

66.

Check all that apply: Physical Properties of a substance

a)

color

b)

dissolves

c)

texture

d)

hardness

e)

flammable

67.
The summary at the end of an experiment that explains the results is... 
a)
conclusion
b)
procedures
c)
materials
d)
responding variable
68.
A testable prediction about a scientific investigation is a(n)
a)
Question
b)
Observation
c)
Hypothesis
d)
Experiment
69.
A series of steps used by scientists to solve a problem or answer a question. 
a)
scientific method
b)
recipe
c)
data collection
d)
metric system
70.

The information you collect while doing your experiment is called

a)

conclusions

b)

data

c)

hypotheses

d)

procedures

71.

The process of obtaining information by using the senses is called a/an

a)

Conclusion

b)

Observation

c)

Inquiry

d)

Scientific method

72.

An explanation based on many repeated observations during experiments.

a)

conclusion

b)

scientific law

c)

theory

d)

hypothesis

73.

Performing a test or experiment allows you to test your ___________.

a)

Conclusions

b)

Hypothesis

c)

Data

d)

Question

74.
A series of steps used by scientists to solve a problem or answer a question. 
a)
scientific method
b)
recipe
c)
data collection
d)
metric system
75.

What state of matter is pictured above?

a)

solid

b)

liquid

c)

gas

76.

What state of matter is pictured above?

a)

solid

b)

liquid

c)

gas

77.

What state of matter is pictured above

a)

solid

b)

liquid

c)

gas

78.

Water is an example of what state of matter?

a)

solid

b)

liquid

c)

matter

d)

melting

79.

Helium is an example of what state of matter?

a)

solid

b)

liquid

c)

gas

d)

evaporation

80.

A desk is which of the following states of matter?

a)

solid

b)

liquid

c)

gas

d)

evaporation

81.
A combination of rocks and water is an example of
a)
A mixture
b)
A solution 
c)
Dissovling
82.
A mixture of aluminum and steel can best be separated by ________________.
a)
adding water
b)
using a sieve
c)
density
d)
a magnet
83.
Lemonade is a special mixture called a 
a)
substance
b)
solution
c)
plasma
d)
ingredient
84.

pebbles and rocks

a)

Homogeneous Mixture

b)

Heterogeneous Mixture

85.

pizza with toppings

a)

Homogeneous Mixture

b)

Heterogeneous Mixture

86.

gravel and sand

a)

Homogeneous Mixture

b)

Heterogeneous Mixture

87.

coffee and hot water

a)

Homogeneous Mixture

b)

Heterogeneous Mixture

88.

cocoa powder and milk

a)

Homogeneous Mixture

b)

Heterogeneous Mixture

89.

sand and seawater

a)

Homogeneous Mixture

b)

Heterogeneous Mixture

90.
Which one of these pictures represents a mixture? 
a)
1
b)
2
c)
3
d)
1, 2 and 3
91.
Which one of these pictures represents a pure substance? 
a)
1 and 2
b)
1 and 3
c)
2 and 3
d)
1, 2 and 3
92.
NaCl
a)
Element
b)
Compound
c)
Homogeneous Mixture
d)
Heterogeneous Mixture
93.
Lucky Charms
a)
Element
b)
Compound
c)
Homogeneous Mixture
d)
Heterogeneous Mixture
94.
O2
a)
Element
b)
Compound
c)
Homogeneous Mixture
d)
Heterogeneous Mixture
95.
Co
a)
Element
b)
Compound
c)
Homogeneous Mixture
d)
Heterogeneous Mixture
96.
Aluminum
a)
Element
b)
Compound
c)
Homogeneous Mixture
d)
Heterogeneous Mixture
97.
Carbon
a)
Element
b)
Compound
c)
Homogeneous Mixture
d)
Heterogeneous Mixture
98.
Kool-Aid
a)
Element
b)
Compound
c)
Homogeneous Mixture
d)
Heterogeneous Mixture
99.
Italian Salad Dressing is a . . .
a)
heterogeneous mixture
b)
homogeneous mixture
c)
Pure Substance
d)
Compound
100.
A mixture that is NOT evenly distributed is called ....
a)
Compounded
b)
Homogenous
c)
Heterogenous
d)
Salty
101.
What is a homogeneous mixture?
a)
a mixture that is the same throughout.
b)
a mixture that is made up of one type of atom.
c)
a mixture that is made up of one type of compound
d)
a mixture that cannot be separated through physical changes
102.
A combination that can be separated by physical processes is a .....
a)
Atom
b)
Compound
c)
Element
d)
Mixture
103.
Are made from a combination of 2 or more elements in a constant ratio...
a)
Atome
b)
Mixture
c)
Compounds
d)
Elements
104.
Sweet Tea
a)
Element
b)
Compound
c)
Homogeneous Mixture
d)
Heterogeneous Mixture
105.
What is the Law of Conservation of mass?
a)
Mass is created in a chemical reaction
b)
Mass is created in a physical change
c)
New chemicals formed from a chemical reaction have a larger overall mass than the original reactants
d)
Mass is never created or destroyed
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.

This bullseye demonstrates...

a)

High Accuracy & High Precision

b)

High Accuracy & Low Precision

c)

Low Accuracy & High Precision

d)

Low Accuracy & Low Precision

108.

Describe the accuracy and precision of the image

a)

Very accurate and somewhat precise

b)

Very accurate but not precise at all

c)

Not accurate at all but very precise

d)

not accurate and not very precise

109.

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

110.

Which best describes the target?

a)

Precise, but not accurate

b)

Accurate but not precise

c)

Precise and accurate

d)

Neither accurate nor precise

111.

Which student is the most ACCURATE?

a)

A

b)

B

c)

C

112.

Which of the following weighing balance is more accurate?

a)

A

b)

B

c)

C

113.

Which of the following weighing balance is more precise?

a)

A

b)

B

c)

C

114.
What is the volume of the liquid in this graduated cylinder?
a)
19 mL 
b)
35 mL 
c)
24 mL 
d)
1.9 mL
115.
What is the volume of the liquid in this graduated cylinder?
a)
8.5 mL 
b)
7.5 mL 
c)
8 mL 
d)
.1 mL
116.
What is the volume of the liquid in this graduated cylinder?
a)
43 mL 
b)
30.7 mL 
c)
37 mL 
d)
38 mL
117.
What is the volume of the liquid in this graduated cylinder?
a)
21 mL 
b)
2.1 mL 
c)
.21 mL 
d)
2.01 mL
118.
Identify the equipment shown here:
a)
graduated cylinder
b)
Erlenmeyer flask
c)
beaker
d)
volumetric flask
119.
Identify the equipment shown here:
a)
pipette
b)
eye dropper
c)
tweezer
d)
forceps
120.
If you spill or break something during an experiment, what is the FIRST thing you should do?
a)
Tell the teacher.
b)
Clean it up. 
c)
Cover it with a paper towel.
d)
Leave it for someone else.
121.
Which of the following should NOT be worn during a lab investigation?
a)
Flip flops
b)
Loose, long hair
c)
Dangling jewelry
d)
All of the above
122.

Which of the following is the proper way to attempt to determine the identity of an unknown substance?

a)

Put the substance close to your nose and sniff it.

b)

Taste a very small amount of it.

c)

Put a small amount on your skin and see if it burns.

d)

Waft it toward your nose.

123.
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.
124.
When should you look over the experiment instructions? 
a)
After starting the lab
b)
When your teacher tells you to
c)
Before starting the lab
d)
It doesn't really matter.  Instructions are silly!
125.

Eating, drinking, or chewing gum in the experimental work area is...

a)

okay, as long as you share

b)

allowed once you've cleaned up

c)

encouraged

d)

forbidden

126.

Hot glassware (and many other lab materials) looks the same as...

a)

the sun

b)

mercury

c)

metal

d)

cold glassware

127.

If you want to measure volume of a liquid, which tool would be best to use

a)

A flask

b)

A test tube

c)

A graduated cylinder

128.
When you finish working with chemicals, biological specimens, and other lab substances, always
a)
Wash your hands with soap and water
b)
Wipe your hands on a towel
c)
Treat your hands with lotion
d)
Wipe your hands on your clothes
129.
Identify the equipment shown here:
a)
crucible
b)
evaporating dish
c)
mortar and pestle
d)
bowl
130.
What step does every scientific experiment begin with?
a)
hypothesis
b)
question/problem
c)
procedures
d)
conclusion
131.
The summary at the end of an experiment that explains the results. 
a)
conclusion
b)
procedures
c)
materials
d)
responding variable

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