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Physical Science Final Fall 2024

Total questions: 98

Worksheet time: 8hrs 10mins

Name
Class
Date
1.

What is the formula for Ohm's Law?

a)

V=IRV = IR

b)

P=IVP = IV

c)

E=mc2E = mc^2

d)

F=maF = ma

2.

Which element has the atomic number 6 on the Periodic Table?

a)

Oxygen

b)

Nitrogen

c)

Carbon

d)

Helium

3.

Calculate the speed of a car that travels 150 kilometers in 3 hours.

a)

30 km/h

b)

50 km/h

c)

60 km/h

d)

70 km/h

4.

If a chemical reaction follows the Law of Conservation of Mass, what can be said about the mass of the reactants and products?

a)

Mass of reactants is greater

b)

Mass of products is greater

c)

Mass is equal

d)

Mass is not conserved

5.

Which of the following is an example of a simple machine?

a)

Lever

b)

Engine

c)

Battery

d)

Circuit

6.

Determine the oxidation number of sulfur in SO2SO_2 .

a)

+2

b)

+4

c)

+6

d)

0

7.

Explain how valence electrons determine the chemical reactivity of an element.

a)

Valence electrons are not involved in chemical reactions.

b)

Elements with a full valence shell are highly reactive.

c)

Elements with one or two valence electrons are less reactive.

d)

Elements with incomplete valence shells tend to be more reactive.

8.

A car accelerates from rest to a velocity of 20 m/s in 5 seconds. What is its acceleration?

a)

2 m/s²

b)

4 m/s²

c)

5 m/s²

d)

10 m/s²

9.

Describe the difference between ionic and covalent bonds.

a)

Ionic bonds involve sharing electrons; covalent bonds involve transferring electrons.

b)

Ionic bonds involve transferring electrons; covalent bonds involve sharing electrons.

c)

Both involve sharing electrons.

d)

Both involve transferring electrons.

10.

Using Newton's Second Law, calculate the force required to accelerate a 10 kg object at 3 m/s².

a)

10 N

b)

20 N

c)

30 N

d)

40 N

11.

What was special about Rube Goldbergs drawings?

a)

They were always very detailed

b)

They show a complicated way of doing a simple task.

c)

They were always in black and white

d)

He never used paint

12.

Energy in motion is referred to as:

a)

Kinetic energy

b)

Potential energy

c)

Thermal energy

d)

Total energy

13.

This energy happens to all objects that fall.

a)

Elastic

b)

Gravitational

c)

Mechanical

d)

Potential

14.

Stored energy is referred to as:

a)

kinetic

b)

potential

c)

Jovian

15.

Newton discovered (a)   laws of motion

16.

Fill in the blanks, Newton's third law states for every ________, there is an ________ and _______________ reaction

(a)  

17.
This diagram represents a _____.
a)
pure substance that is a compound
b)
mixture of elements
c)
pure substance that is an element
d)
mixture of compounds
18.
a)

A pure substance which is an Element

b)

A pure substance which is an Compound

c)
Mixture of compound and element
d)
Mixture of elements
19.
Mixtures are __________ combined.
a)
Chemically
b)
Physically
c)
Magically
d)
Spontaneously
20.

Which of the following chemical formula represents an element?

a)

CC  

b)

H2OH_2O  

c)

NaClNaCl  

d)

  NH3NH_3  

21.

Which of the following is a molecule of a compound?

a)

H2H_2

b)

Cl2Cl_2

c)

NH3NH_3

d)

F2F_2

22.
Contains two or more atoms combined
a)
Elements
b)
Compounds
c)
Mixtures
23.
The air is a _________. 
a)
element 
b)
mixture 
c)
compound 
d)
energy 
24.
Classify the picture with the correct label.
a)

A pure substance which is an Element

b)

A pure substance which is a Compound

c)
Mixture of Elements and Compounds
d)
Mixture of Elements
25.

According to the periodic table what element is in group 9 period 4?

a)

Hydrogen

b)

Magnesium

c)

Cobalt

d)

Sulfur

26.

According to the periodic table what element is in group 7 period 4?

a)

Hydrogen

b)

Manganese

c)

Plutonium

d)

Nitrogen

27.

How many valence electrons does Aluminum have?

a)

1

b)

3

c)

5

d)

7

28.

How many valence electrons does Lithium have?

a)

1

b)

3

c)

5

d)

7

29.

How many valence electrons do group 14 elements have?

a)

2

b)

4

c)

6

d)

8

30.

What two elements are in the same Period?

a)

K - Potassium and Na - Sodium

b)

Li - Lithium and Mg - Magnesium

c)

B - Boron and C - Carbon

d)

Zn - Zinc and N - Nitrogen

31.

There are_______ periods and _________ groups in the periodic table.

a)

8, 7

b)

18, 7

c)

15, 10

d)

7, 18

32.

Elements more reactive the further __________ on the periodic table.

a)

Right

b)

Left

33.

How many energy shells does Fe - Iron have?

a)

26

b)

2

c)

4

d)

55

34.

How do covalent bonds form?

a)

Donating & receiving valence electrons between atoms

b)

Oppositely charged ions attract each other & form bonds

c)

Scientists are still not sure how they form

d)

Sharing valence electrons between atoms

35.

The formation of a covalent bond relies on the interaction or bonding of...

a)

2 Nonmetals

b)

1 Nonmetal & 1 Metal

c)

2 Metals

d)

2 Noble Gases

36.
Ionic bonds form between two ions that have...
a)
ionic compounds
b)
negative charges
c)
positive charges
d)
opposite charges
37.
When an atom loses a valence electron, it becomes a(n) _________ion.
a)
positive 
b)
negative
38.

Calcium Oxide, CaO

a)

Covalent Bond

b)

Ionic Bond

39.

When forming an ionic bond, a metal atom

a)

Gains electrons to form a cation

b)

Loses electrons to form a cation

c)

Gains electrons to form an anion

d)

Loses electrons to form an anion

40.
What elements generally make an ionic bond?
a)
metal and nonmetal
b)
2 or more nonmetals
c)
metal
d)
none of the above
41.
What elements generally make a covalent bond?
a)
metal and nonmetal
b)
2 or more nonmetals
c)
metal
d)
none of the above
42.
How many Hydrogen are in 4H2O?
a)
6
b)
8
c)
2
d)
4
43.
How many O's are in Al₂(SO₄)₃
a)
4
b)
12
c)
7
d)
24
44.
Number of H in 3(NH₄)₂CrO₄
a)
4
b)
2
c)
8
d)
24
45.

When mixing milk and vinegar, a white, chunky, solid substance is formed. What has occurred?

a)

Physical change: state of matter

b)

Chemical change: precipitate

c)

Physical change: freezing

d)

Chemical change: new gas

46.

Determined whether the following equation is balanced or unbalanced. Ag + O2 ---> 2Ag2O

a)

Balanced

b)

Unbalanced

47.

Determine whether the following equation is balanced or unbalanced. 4P +5O2 ---> 2P2O5

a)

Balanced

b)

Unbalanced

48.

Students observed a piece of iron change from shiny to rusty. What caused this change?

a)

a chemical reaction

b)

a heat reaction

c)

a cold reaction

d)

a physical reaction

49.

Which is the best example of a new substance forming?

a)

lighting a match

b)

cutting a piece of paper

c)

popping a balloon

d)

hitting a nail with a hammer

50.

Bending metal

a)

Physical Change

b)

Chemical Change

51.

Boiling Water

a)

Physical Change

b)

Chemical Change

52.

A Candle Burning

a)

Physical Change

b)

Chemical Change

53.
Which state of matter has particles that are tightly packed?
a)
liquid
b)
gas
c)
solid
54.
Evidence of a physical change.
a)
New substance
b)
Shape Change
c)
Light produced
d)
Gas released.
55.
Melting a chocolate bar?
a)
Physical Change
b)
Chemical Change 
56.
fireworks exploding
a)
physical change
b)
chemical change
57.

What does the number 3 represent in 4NH3?

a)

Subscript

b)

Superscript

c)

Coefficient

58.

What does the number 4 represent in 4NH3?

a)

Subscript

b)

Superscript

c)

Coefficient

59.
Matter can not be created nor destroyed: it can only be
a)
Destroyed a little bit
b)
Invisible
c)
Transformed, changed
d)
None of the above
60.
A chemical reaction is balanced when
a)
both sides have the same elements
b)
Both sides have the same  number of atoms
c)
Same subscripts
d)
Same coefficients
61.
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
62.

Speed = _______________

a)

Distance + time

b)

Distance – time

c)

Distance x time

d)

Distance / time

63.

This occurs when an object speeds up, slows down, or changes direction.

a)

Speed

b)

Velocity

c)

Acceleration

64.

Another way to explain the speed and direction of a object would be to describe it’s ________

a)

Speed

b)

Velocity

c)

Acceleration

65.

Velocity = _______________

a)

Speed – direction

b)

Speed + direction

c)

Speed x direction

d)

Speed / direction

66.
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
67.
Changes in our speed, direction or both are called _________.
a)
gravity
b)
changes
c)
acceleration
d)
displacement
68.
If you slow down on your bicycle, you accelerate.
a)
TRUE
b)
FALSE
69.

What is the motion of the car in the graph?

a)

The car is speeding up

b)

The car is slowing down

c)

The car is at a constant speed towards reference point

d)

The car is at a constant speed away from reference point

70.

What is the motion of the car in the graph?

a)

The car is slowing down

b)

The car is speeding up

c)

The car is traveling at a constant speed

d)

The car is not moving

71.

What is the motion of the car in the graph?

a)

The car is moving quickly

b)

The car is not moving

c)

The car is moving towards the reference point

d)

The car is changing direction

72.

Which line shows a faster speed?

a)

The dotted line

b)

The solid line

73.

What is happening to the motion of the walker in the graph?

a)

The walker changed direction, away from the reference point

b)

The walker changed direction, towards the reference point

c)

The walker started to slow down

d)

The walker started to speed up

74.
How long did it take this object to travel back to its reference/starting point?
a)
20 s
b)
30 s
c)
60 s
d)
100 s
75.
At 60 seconds, how far had this object traveled? 
a)
0 m
b)
10 m
c)
20 m
d)
40 m
76.
What is the speed of a man who runs 10 miles in 1 hr?
a)
20 miles
b)
10 m/min
c)
10 miles/hr
d)
20 hrs
77.
What is the speed of a car that travels 400 m in 20 minutes?
a)
20 miles/hr
b)
20 m/min
c)
800 m/min
d)
200 miles/hr
78.
A train travels 25 km in .5 hrs. How fast is the train going?
a)
25 miles/hr
b)
5 miles/hr
c)
125 km/hr
d)
50 km/hr
79.
A car travels 30 miles/hr for 3 hours, calculate the distance it will travel
a)
90 miles
b)
10 miles
c)
600 miles
d)
90 km
80.

Friction _____________ motion

a)

Works in the same direction as

b)

Opposes

c)

Has not effect on

d)

Pulls against

81.

Which type of friction keeps objects from sliding around all over the place

a)

Static Friction

b)

Rolling Friction

c)

Fluid Friction

d)

Sliding Friction

82.

Which of these materials do you predict would have the MOST amount of friction

a)

Metal

b)

Tile

c)

Sand Paper

d)

Denim

83.
 What is the unit called that measures force?
a)
weight
b)
meter
c)
Newton
d)
kilogram
84.
Define Fluid Friction
a)
Friction that occurs when a solid pushes a liquid or a gas aside
b)
The friction of stationary objects. You must use more force to move an object experiencing this kind of friction
c)
Friction that occurs when a solid rolls across a surface
d)
Friction caused by two objects sliding against each other
85.
Define Rolling Friction
a)
Friction caused by two objects sliding against each other
b)
Friction that occurs when a solid rolls across a surface
c)
Friction that occurs when a solid pushes a liquid aside
d)
The friction of stationary objects. You must use more force to move an object experiencing this kind of friction
86.
Define Static Friction
a)
Friction caused by two objects sliding against each other
b)
Friction that occurs when a solid rolls across a surface
c)
The friction of stationary objects. You must use more force to move an object experiencing this kind of friction
d)
Friction that occurs when a solid pushes a liquid aside
87.
What is Sliding Friction?
a)
Opposes submarines in the water and airplanes in the air
b)
Opposes the dirrection of an 0bject as it slides over a surface
c)
None of the above
d)
Change in shape the point of rolling contrast because of friction
88.
The baseball player experiences-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
89.
Which letter represents wavelength?
a)
A
b)
B
c)
C
d)
D
90.
Which letter represents the wave crest?
a)
A
b)
B
c)
C
d)
D
91.
Which letter represents the wave crest?
a)
A
b)
B
c)
C
d)
D
92.
Which letter represents the wave trough?
a)
A
b)
B
c)
C
d)
D
93.
Which letter represents amplitude?
a)
A
b)
B
c)
C
d)
D
94.
Which wave has a greater frequency?
a)
A
b)
B
95.
The type of waves that require medium to pass:
a)
Mechanical Waves
b)
Electromagnetic Waves
96.

Which image represents a transverse wave?

a)

A

b)

B

97.

Sound waves are which type of waves?

a)

transverse

b)

seismic

c)

longitudinal

d)

frequency

98.
Which wave travels parallel in relation to a medium?
a)
Transverse
b)
Longitudinal
c)
Both
d)
Neither

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