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Total questions: 112

Worksheet time: 2hrs 41mins

Name
Class
Date
1.

The temperature at which a substance changes from a liquid to a gas.

a)

density

b)

melting point

c)

boiling point

d)

98 degrees

2.

Capillary Action is key for

a)

Water moving from roots to leaves in plants

b)

Air moving from mouth to lungs

c)

Ice floating on water

d)

Water moving to lower areas

3.
The tightness across the surface of water that enables paper clips to float is ____________.
a)
adhesion
b)
capillary action
c)
surface tension
d)
polarity
4.

Cohesive means ........

a)

the water molecules stick to each other

b)

the water molecules stick to other surfaces

c)

the water molecules are less dense

d)

the water molecules are far apart

5.

Adhesive means ........

a)

the water molecules stick to each other

b)

the water molecules stick to other surfaces

c)

the water molecules are less dense

d)

the water molecules are far apart

6.

Water striders can walk on water because of ____________.

a)

capillary action

b)

adhesion

c)

surface tension

d)

universal solvent

7.

Water can bounce on water because of surface tension.

a)

True

b)

False

8.
Water droplets take a spherical shape (as pictured) because of ____________
a)
adhesion
b)
cohesion
c)
capillary action
d)
solubility
9.
Water moves through plant roots and in other substances with pores because of ___________.
a)
surface tension
b)
polarity
c)
capillary action
d)
gravity
10.
As you added drops to the coins, each drop stuck to the other water because of ________________.
a)
adhesion
b)
cohesion
c)
capillary action
d)
specific heat
11.

An attraction between molecules of different substances is called...

a)

adhesion

b)

cohesion

12.

An attraction between molecules of the same substance is called...

a)

adhesion

b)

cohesion

13.

Which of these samples shown best represents an mixture?

a)

A

b)

B

c)

C

d)

D

14.

Which of these samples shown best represents an element?

a)

A

b)

B

c)

C

d)

D

15.

What type of mixture does this diagram represent?

a)

Homogeneous

b)

Heterogeneous

16.
a)
heterogeneous mixture
b)
homogeneous mixture
17.
Pure water has a pH of 7. Pure water _______.
a)
is a base
b)
is a neutral substance
c)
could be either an acid or a base
d)
is an acid
18.
Which is the stronger acid?
a)
pH 1
b)
pH 4
c)
pH 8
d)
pH 13
19.
Which of the following is most likely to be basic:
a)
Lemon juice
b)
Vinegar
c)
Laundry detergent
d)
Coke
20.
When dissolved in water, acids produce:
a)
bases
b)
salts
c)
hydrogen ions
d)
hydroxide ions
21.

The pH of a solution is tested, and it is found to be a basic solution. Of the following choices, what could the pH have been?

a)

3

b)

7

c)

9

d)

5

22.

pH is the measure of the concentration of ______.

a)

Acids

b)

H+ ion

c)

OH- ion

d)

Base

23.

If a solution is basic which ion will be more present?

a)

H+

b)

K+

c)

OH-

d)

H-

24.

Stronger acids have a pH closer to...

a)

7

b)

14

c)

0

d)

9

25.

Weaker bases have a pH closer to...

a)

8

b)

14

c)

0

d)

4

26.

Neutralization is the process of an acid and a base reacting to form what? Select all that apply

a)

An ionic salt

b)

Hydronium ions

c)

NaCl

d)

Water

27.
The pH of a solution is tested, and it is found to be a basic solution. Of the following choices, what could the pH have been?
a)
3
b)
9
c)
7
d)
5
28.
What would be considered the weakest base? 
a)
8
b)
14
c)
7.8
d)
11.6
29.
Many cleaning solutions are bases. Which of the following is a property of most bases?
a)
feels slippery
b)
white color
c)
can only be liquid
d)
tastes sour
30.
Pure water has a pH of 7. Pure water _______.
a)
is a base
b)
is a neutral substance
c)
could be either an acid or a base
d)
is an acid
31.
Acids are found on the pH scale between which numbers?
a)
0-7
b)
7
c)
7-14
d)
19-42
32.
Turns litmus red
a)
Acids
b)
Bases
c)
All
33.
What methods can you use to measure the pH of a solution?
a)
Observing color or clarity
b)
Measuring mass or volume
c)
Measuring density or electrical conductivity
d)
Using acid base-indicators or pH meters
34.
Human blood has a pH between 7.35 and 7.45. Which of the following best describes human blood?
a)
strongly acidic
b)
slightly acidic
c)
strongly basic
d)
slightly basic
35.
Turns litmus blue.
a)
Acids
b)
Bases
c)
Salts
d)
All
36.

A substance that is 3 on the pH scale would be a(n):

a)

acid

b)

base

c)

neutral

d)

solute

37.

According to the pH scale, which item is more acidic than lemons?

a)

battery

b)

vinegar

c)

milk

d)

blood

38.

According to the pH scale, which item is a stronger base than soap?

a)

baking soda

b)

ammonia solution

c)

tomato

d)

bleach

39.
If an acid is combined with a base of equal strength, the result will most likely be
a)
a neutral solution.
b)
a stronger acid.
c)
impossible to tell without testing the pH.
d)
a stronger base
40.

HF is...

a)

an acid

b)

a base

c)

a salt

d)

an ionic compound

41.

KOH is ...

a)

an acid

b)

a base

c)

a salt

d)

an ionic compound

42.
What is the name of H3PO4?
a)
hydrophosphoric acid
b)
phosphorous acid
c)
phosphoric acid
d)
phosphoric hydroxide
43.
hydrochloric acid
a)
HCl
b)
HClO
c)
H3ClO3
d)
HClO3
44.
sulfuric acid
a)
HSO3
b)
H2SO3
c)
H2SO4
d)
H3SO4
45.
Mg(OH)2
a)
magnesium hydroxide acid
b)
hydromagnesium acid
c)
magnesium oxygen hydride
d)
magnesium hydroxide
46.
Select the name for the following acid: H2S
a)
Hydrosulfuric acid
b)
Sulfuric acid
c)
Sulfurous
47.

A small particle that is a building block of matter

a)

atom

b)

mixture

c)

element

d)

matter

48.

A substance that consists of just one type of atom.

a)

atom

b)

mixture

c)

element

d)

matter

49.

A combination of two or more substances physically blended together.

a)

atom

b)

mixture

c)

element

d)

matter

50.

Anything that has mass and takes up space.

a)

atom

b)

mixture

c)

element

d)

matter

51.

Which item is a substance?

a)

aluminum

b)

apple juice

c)

muddy water

52.

The number of protons in an atom of an element is the element's...

a)

atomic mass

b)

atomic number

c)

element symbol

53.

The individual substances that make up a ________are not evenly mixed.

a)

compound

b)

homogeneous mixture

c)

heterogeneous mixture

54.

Which of the following is an element?

a)

Water

b)

Oxygen

c)

Fire

d)

Carbondioxide

55.

Salad dressing made with olive oil, herbs, and bacon would be an example of homogeneous mixture.

a)

True

b)

False

56.

Which TWO drawings represent an element?

a)

A

b)

B

c)

C

d)

D

57.

A substance that consists of just one type of atom.

a)

atom

b)

mixture

c)

element

d)

matter

58.

A combination of two or more substances physically blended together.

a)

atom

b)

mixture

c)

element

d)

matter

59.

Which substance is a compound?

a)

Salt Water

b)

Hydrogen (H2)

c)

Salt (NaCl)

d)

Orange Juice

60.
Which is an example of a mixture?
a)
Fruit Punch
b)
Sodium chloride
c)
Water
61.

Which drawing shows a single compound?

a)

A

b)

B

c)

C

d)

D

62.

Is pure water (H2O) an element, compound or a mixture?

a)

Element

b)

Compound

c)

MIxture

63.

Is silicon (Si) an element, compound, or mixture?

a)

Element

b)

Compound

c)

Mixture

64.
What type of a mixture is Coffee? 
a)
Homogeneous
b)
Heterogeneous
65.
Vegetable Soup is a
a)
Compound
b)
Element
c)
homogeneous mixture
d)
heterogeneous mixture
66.

Which substance is not an example of a pure substance?

a)

glucose (C6H12O6)

b)

pure water (H2O)

c)

milk shake

d)

gold (Au)

67.

What is matter made of?

a)

Stuff

b)

Atoms

c)

Molecules

d)

Tiny Particles

68.

Matter is...

a)

a tow truck in cars.

b)

anything that takes up space.

c)

anything that has mass.

d)

anything that takes up space and has mass.

69.

What does this image show?

a)

A solid.

b)

Tiny spaces between particles.

c)

Particles move faster and farther apart when heated.

d)

MONKEYS!

70.

Which state of matter has a definite volume and shape?

a)

Liquid

b)

Gas

c)

Solid

d)

MONKEYS!

71.

Which state of matter has a definite volume but does not have a definite shape?

a)

Liquid

b)

Solid

c)

Gas

d)

WALRUSES!

72.

Which state of matter has no definite shape or volume?

a)

Liquid

b)

Solid

c)

Gas

d)

UNICORNS!

73.

Mixtures...

a)

are matter that contains only one kind of particle.

b)

are matter that contains two or more pure substances mixed together.

c)

are weird.

d)

are magical.

74.

Solutions are...

a)

heterogeneous.

b)

homogeneous.

75.

Examples of solutions are... (check all that apply)

a)

seawater

b)

milk

c)

gravel

d)

air

76.
A bag of Skittles is an example of this.
a)
Element
b)
Compound
c)
Heterogeneous mixture
d)
Homogeneous mixture
77.
A solid block of gold (Au) is an example of this.
a)
Element
b)
Compound
c)
Heterogenous mixture
d)
Homogenous mixture
78.
Sugar mixed into water is an example of this.
a)
Element
b)
Compound
c)
Heterogeneous mixture
d)
Homogeneous mixture
79.
Another name for a homogenous mixture.
a)
Element
b)
Compound
c)
Solution
d)
Mixture
80.
Trail mix is an example of this.
a)
Element
b)
Compound
c)
Heterogeneous mixture
d)
Homogeneous mixture
81.
Oxygen (O) is an example of this.
a)
Element
b)
Compound
c)
Heterogeneous mixture
d)
Homogeneous mixture
82.
These are substances that are a combination of two or more different elements.
a)
Element
b)
Compound
c)
Heterogeneous mixture
d)
Homogeneous mixture
83.

What does the number 3 represent in 4NH3?

a)

Subscript

b)

Superscript

c)

Coefficient

84.

What does the number 4 represent in 4NH3?

a)

Subscript

b)

Superscript

c)

Coefficient

85.

How many Nitrogen (N) atoms are in 4NH3?

a)

4

b)

1

c)

3

d)

12

86.

How many Hydrogen (H) atoms are in 4NH3?

a)

4

b)

1

c)

3

d)

12

87.

How many total molecules is 4NH3?

a)

4

b)

1

c)

3

d)

12

88.

How many total atoms make up 4NH3?

a)

4

b)

16

c)

3

d)

12

89.

In the equation shown, what are the reactant(s)?

a)

N2 + H2

b)

NH3

90.

In the equation shown, what are the product(s)?

a)

N2 + H2

b)

NH3

91.

Is this equation balanced?

a)

Yes

b)

No

92.

Is this equation balanced?

a)

Yes

b)

No

93.

Is this equation balanced?

a)

Yes

b)

No

94.

To balance an equation you should:

a)

ONLY change subscripts.

b)

ONLY change coefficients.

c)

Change BOTH subscripts and coefficients.

95.

Which reactant is missing from the equation shown?

(What should go in the place of the "X"?)

a)

One hydrogen atom.

b)

Three hydrogen atoms.

c)

Four oxygen atoms.

96.

Which of the following is a chemical reaction?

a)

Sodium and chlorine atoms bond to form salt molecules.

b)

Ice melts to form water.

c)

Carbon dioxide freezes to form dry ice.

d)

Salt and water mix to form salt water.

97.

2 CH2CO3OH

Number of C: ​ (a)  

Number of H: ​ (b)  

Number of O: ​ (c)  

Choose from the below words
4
6
8
2
3
1
5
7
9
10
98.
1. Which of the following statements about speed and velocity is correct?
a)
Velocity only describes an object’s rate of motion.
b)
Speed describes how an object is changing its velocity.
c)
Speed and velocity both describe how an object is speeding up.
d)
Only velocity includes the direction an object is traveling.
99.

Acceleration describes how an object’s velocity is changing. Which of the following scenarios provides the best example of an accelerating object?

a)

A car driving at a constant speed

b)

A book sitting on top of a high shelf

c)

A car slowing dow to stop at traffic lights

d)

A toy boat floating in a bathtub

100.
What is the formula to calculate speed?
a)
S = t/d
b)
S = d/t
c)
S = d x t
d)
S = t x d
101.
Which of the following is a unit for acceleration?
a)
km/s
b)
m/s2
c)
mi/hr
d)
ft
102.

A stopped car begins moving and reaches a speed of 25m/s in 5 seconds. What is its acceleration?

a)

+25m/s2

b)

-0m/s2

c)

+5m/s2

d)

5m/s

103.
A drag racer accelerated from 0 m/s to 200 m/s in 5 s.  What was the acceleration?
a)
0 m/s
b)
40 m/s2
c)
-40 m/s2
d)
40 m/s
104.

Colin skateboards down the sidewalk in front of the school, traveling at 24 km/h. How much time would it take him to travel 6.0 km?

a)

0.25 h

b)

0.4 h

c)

5.4 h

d)

12 h

105.

A little freshman moves down the hall at 3.2 m/s. When he sees Luke coming, he slows down. After 3.2 s, he is moving at 1.2 m/s. What is his acceleration?

a)

-0.25 m/s2

b)

-42.9 m/s2

c)

-0.625 m/s2

d)

-12 m/s2

106.

Kendra is coming home late, past her curfew. As she sneaks quietly into her house trying not to wake up her parents, she slinks up the stairs moving 10.7 m in 26.8 s. Find her speed.

a)

0.4 m/s

b)

2.0 m/s

c)

7.1 m/s

d)

10.2 m/s

107.

Ricky chucks a water balloon at his friend. Running for his life, he travels 100 m in 9.83 s. What was his average speed?

a)

12.5 m/s

b)

9.1 m/s

c)

10.2 m/s

d)

8.3 m/s

108.

Looking for some good old-fashioned fun, Andrew decides to slide down the hill on a toboggan. Calculate the time it takes him to reach the bottom of the hill if he accelerates at a rate of 4 m/s2 to achieve a speed of 32 m/s.

a)

8 s

b)

2 s

c)

7s

d)

4 s

109.

What is the speed of a car travelling 50m in 4s?

a)

200 m/s

b)

12.5 m/s

c)

12.5 m

d)

200m

110.

How far does a lorry move if it is travelling at 12m/s for 180s?

a)

2160 m

b)

0.06 m

c)

15 m

d)

21.6 m

111.

How long does it take a car to travel 40m at 12m/s?

a)

4.8 s

b)

480 s

c)

3.33 s

d)

33.3 s

112.

What is the speed of a car that travels 0.5 km in 1 min?

a)

0.5 m/s

b)

8.33 m/s

c)

0.008 m/s

d)

500 m/s

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