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Extra credit quizziz December

Total questions: 92

Worksheet time: 2hrs 49mins

Name
Class
Date
1.
Subatomic particles with a positive charge
a)
neutrons
b)
atomic mass
c)
protons
d)
isotopes
2.
Subatomic particles that are neutral in charge
a)
Neutrons
b)
Protons
c)
Nucleus 
d)
Electrons
3.

Subatomic particles with a negative charge

a)

Electrons

b)

Neutrons

c)

Protons

d)

Quarks

4.
Value representing the number of protons in an element
a)
Atomic Mass
b)
Mass Number
c)
Valence Electrons
d)
Atomic Number
5.
Where electrons are likely to be found as they travel around the nucleus
a)
Nucleus
b)
Electron Cloud
c)
Within a Proton
d)
Within a Neutron
6.
A tiny but very dense, positively charged portion of the atom that holds most of the atomic mass
a)
Electron Shells
b)
Orbitals
c)
Electron Cloud
d)
Nucleus
7.
Calculation used to find the number of neutrons in an atom
a)
Atomic Mass - Atomic Number
b)
Atomic Number - Atomic Mass
c)
Atomic Mass - Electrons
d)
none of these
8.
The nucleus of an atom is made of
a)
electrons and protons
b)
electrons and neutrons
c)
protons and neutrons
d)
empty space
9.

Which part of the diagram represents the proton?

a)

a

b)

b

c)

c

d)

d

10.
What is the atomic number of Boron?
a)
5
b)
11
c)
6
11.
What is the atomic mass of Boron?
a)
5
b)
11
c)
6
12.
Carbon is considered an element while carbon dioxide is considered a compound. This is because carbon dioxide is –
a)
a gas at room temperature.
b)
made of two different elements.
c)
given off by green plants.
13.
What is the difference between a compound and an element?
a)

Compounds are made up of elements and can be chemically separated. Elements cannot be separated.

b)

Elements make up compounds. Elements can be separated but compounds cannot be separated.

c)

Elements are found on the periodic table and compounds are found on the dining room table.

14.

What is air classified as?

a)

A compound

b)

A solution

c)

A mixture

d)

An element

15.

Element, mixture, or compound?

a)

element

b)

mixture

c)

compound

16.

Element, mixture, or compound?

a)

element

b)

mixture

c)

compound

17.

What do you see in this picture?

a)

A pure element

b)

A pure compound

c)

A mixture of two elements

d)

A mixture of two compounds

e)

A mixture of an element and a compound

18.

What do you see in this picture?

a)

A pure element

b)

A pure compound

c)

A mixture of two elements

d)

A mixture of two compounds

e)

A mixture of an element and a compound

19.
What is the chemical symbol for the element hydrogen
a)
H
b)
He
c)
h
d)
he
20.

Is salt (NaCI) a compound or an element?

a)

Compound

b)

element

21.

Air is a ________ mixture in which different substances are _______ mixed.

a)

A. heterogeneous - evenly

b)

B. heterogeneous - not evenly

c)

C. homogeneous - not evenly

d)

D. homogeneous - evenly

22.

A pure substance

a)

elements

b)

mixtures

c)

compounds

d)

elements and compounds

e)

elements and mixtures

23.
Which one is an element?
a)
Co
b)
CO
c)
CO2
d)
CO3-2
24.

A physical property can be observed __________ a chemical reaction

a)

during

b)

without

25.

A chemical property can be observed __________ a chemical reaction

a)

during

b)

without

26.

A chemical change (a)  

Choose from the below words
changes the physical properties of
creates a new substance and cannot
27.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

28.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

29.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

30.

Is this an example of a physical or chemical change? Hint: Wax is melting in the question not burning

a)

physical

b)

chemical

31.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

32.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

33.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

34.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

35.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

36.

Matter goes through a change resulting in a different shape. What type of change is most likely occurring?

a)

Chemical

b)

Physical

c)

Acids

d)

Bases

37.

Coefficients in chemical formulas...

a)

Multiply just the first atom

b)

Add to the subscripts at the end of the molecule

c)

Multiply elements without subscripts

d)

Multiply EVERYTHING!

38.

Dissolving Sugar

a)

Physical Change

b)

Chemical Change

39.
A subscript is the small number below a(n) ________ that tells the number of _______ of that element.
a)
element symbol; atoms
b)
atom; element symbol
c)
subscript; protons
d)
compound; elements
40.
The red numbers in the image below represent ________
a)
subscripts
b)
coefficients
c)

Compounds

d)
None of the answers are correct
41.
The blue numbers in the image below represent ________
a)

Molecules

b)
coefficients
c)
subscripts
d)
none of the answers are correct
42.

How many atoms of Iron are in this compound?

a)

1

b)

2

c)

3

d)

4

43.

How many atoms of hydrogen are in

C6H12O6

a)

6

b)

12

c)

18

d)

2

44.

How many different elements are present in H2COCH2

a)

5

b)

4

c)

3

d)

2

45.

Calculate the number of Oxygen atoms in Al(OH)3

a)

1

b)

2

c)

3

d)

4

46.

C3H5(NO3)3

a)

C = 3, H = 5, N = 3, O = 9

b)

C = 3, H = 5, N = 1, O = 9

c)

C = 9, H = 15, N = 3, O = 9

d)

C = 9, H = 15, N = 1, O = 3

47.

How many TOTAL atoms are in this formiula?

HNO3

(a)  

48.

How many Hydrogen atoms are in this formiula?

Mg(OH)2

(a)  

49.

In a solution the _____ is dissolved.

a)

solvent

b)

solute

50.

Look at the solution of tea and water. What do you think the terms diluted or concentrated could mean?

a)

Diluted means more water, concentrated means less water

b)

Diluted means less water, concentrated means more water

c)

Diluted means more tea, concentrated means less tea

d)

Diluted means less tea, concentrated means more tea

51.

What is the rate of dissolution?

a)

how quickly a substance dissolves

b)

How cold a substance is

c)

How many particles are in a substance

d)

The color of the substance

52.

A saturated solution has reached its maximum _______ capacity.

a)

Solvent

b)

Solute

c)

Pressure

d)

Volume

53.

Which would NOT increase the rate of dissolution?

a)

Ice

b)

Heat

c)

Agitation

d)

Small Particle Size

54.

In an aqueous solution the ___________ is water.

a)

Solute

b)

Solvent

c)

Solution

55.

What is agitation?

a)

Heating

b)

Size

c)

Stirring

d)

Color

56.

The salt is the ________.

a)

Solute

b)

Solvent

c)

Solution

57.
A solution is a kind of ________. 
a)
mixture 
b)
compound 
c)
element 
d)
stuff 
58.
The universal solvent is ______. 
a)
sodium 
b)
acid 
c)
water 
d)
wind 
59.

A solution that contains all of the solute that it can hold at a given temperature.

a)

unsaturated solution

b)
saturated solution
c)

homogeneous solution

d)
diluted solution
60.
Anna filled a ​cup with hot tea. Then she added a sugar cube. ​Which of these will help to make the sugar cube dissolve more quickly? 
a)
stirring the hot tea
b)
adding more sugar cubes
c)
adding ice to the tea
d)
pouring more tea into the cup
61.

You can make a solution more concentrated by adding more __________.

a)
solute
b)
solvent
c)
water
d)

solution

62.

Which factor does NOT affect the rate of dissolution of a solid solute in an aqueous solution?

a)

Temperature

b)

Surface area

c)

Agitation

d)

Color of the solute

63.

If you increase the temperature of a solution, what generally happens to the rate of dissolution of a solid solute?

a)

It decreases

b)

It increases

c)

It remains the same

d)

It doubles

64.

How does increasing the surface area of a solid solute affect its rate of dissolution?

a)

It increases the rate

b)

It decreases the rate

65.
Acceleration of an object happens when things ________
a)
slow down
b)
go faster
c)
change direction (turn)
d)
All of the above
66.
A ball rolling west at 5 cm per second is an example of ____. 
a)
Speed
b)
Velocity
c)
Acceleration
d)
Direction
67.
A truck slowing down to stop at a red light is an example of ____. 
a)
Speed
b)
Velocity
c)
Acceleration
d)
Direction
68.
Turning a corner on a motorcycle is an example of ____. 
a)
Speed
b)
Velocity
c)
Acceleration
d)
Direction
69.
The tornado is traveling northwest at 20 mph. 
a)
speed
b)
velocity
c)
acceleration
70.
a)
Object not moving
b)
Object accelerating
c)
Object slowing down
d)
Object at a constant speed
71.
a)

Green object is moving at a faster constant speed than Red

b)

Red object is moving at a faster constant speed than Green

c)

Green object is moving at a slower constant speed than Red

d)

Red object is moving 2 times faster than Green

72.
Which graph shows: A car travelling at a constant speed.
a)
A
b)
B
c)
C
d)
D
73.

Which graph represents slowing down?

a)

A

b)

B

c)

C

d)

D

74.
What is the person doing from 5 seconds to 10 seconds?
a)
Walking 
b)
Running
c)
Standing Still 
d)
Walking Fast
75.
Avery likes to walk 30 feet in 10 seconds. What is her speed?
a)
3 feet/sec
b)
6 feet/sec
c)
10 feet/sec
d)
2 feet/sec
76.

Match the description to the graph:

"The car is stopped."

a)
b)
c)
77.

Which scene matches the graph?

a)

Jonathon walked to his girlfriends house - stayed a while then walked home

b)

Justice rode her bike to the mall

c)

Yeshua walked home from school

78.

How will this object move?

a)

It will not move

b)

It will move in both directions

c)

It will move to the right

d)

It will move to the left

79.

How will this object move?

a)

It will not move

b)

It will move in both directions

c)

It will move to the right

d)

It will move to the left

80.

What is net force?

(a)  

81.

What is the net force?


(a)  
Choose from the below words
5 N left
30 N left
25 N right
55 N right
82.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
83.
Calculate the Net Force. 
a)
60N, Left 
b)
40N, Right 
c)
0N
d)
60N, Right
84.
The sum of all forces acting on an object.
a)
Contact Force
b)
Balanced Force
c)
Unbalanced Force
d)
Net Force
85.
Are forces balanced or unbalanced when a marble rolls down a ramp?
a)
Balanced
b)
Unbalanced
86.
Are forces balanced or unbalanced when a plane is moving at a constant speed in a straight line?
a)
Balanced
b)
Unbalanced
87.

What is the unit for force?

a)

Joules (J)

b)

seconds (s)

c)

Newtons (N)

d)

meters (m)

88.

Inertia is Newton's _______ Law of Motion.

a)

First

b)

Second

c)

Third

89.

Objects with MORE mass have...

a)

MORE inertia

b)

LESS inertia

c)

the SAME amount of intertia

90.

Complete the excerpt of Newton's First Law of Motion


"An object in motion will ________ until it is acted on by an unbalanced force."

a)

...stay in motion...

b)

...stop its motion...

c)

...increase its motion...

d)

...decrease its motion...

91.

Complete the excerpt of Newton's First Law of Motion


"...and an object at rest will ________ until acted on by an unbalanced force."

a)

...stay at rest...

b)

...start an increasing motion...

c)

...start a decreasing motion...

92.

Newton's first law states that an object in motion stays in motion and an object at rest stays at rest unless acted on by ______________________________.

a)

a balanced force

b)

an unbalanced force

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