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First Semester Review

Total questions: 75

Worksheet time: 1hrs 11mins

Name
Class
Date
1.

The ______ are numbers found on the lower right-hand side of an element symbol.

a)

Coefficient

b)

Exponent

c)

Multiplier

d)

Subscript

2.

What does the subscript in a chemical formula tell you?

a)

How many molecules are present

b)

How many atoms are present

c)

How many elements are present

d)

How many neutrons are present

3.

How many atoms are present if there is no subscript following the element symbol? (if there is no coefficient)

a)

0

b)

2

c)

only 1

d)

1 million

4.

A ______ is a number written in front of a chemical formula.

a)

Coefficient

b)

Subscript

c)

Exponent

d)

Coordinator

5.

What does the coefficient in a chemical formula tell you?

a)

How many molecules are present

b)

How many atoms are present

c)

How many elements are present

d)

How many neutrons are present

6.
What do we call a chemical substance made up of 2 or more different types atoms bonded together?
a)
formula
b)
atom
c)
subscript
d)
compound
7.
When __________ form, the elements lose there individual chemical properties and take on new properties.
a)
compounds
b)
atoms
c)
subscript
d)
formula
8.

Is this an element or a compound?  CaSO4CaSO_4  

a)

Element

b)

Compound

9.

How many Hydrogen atoms are in 4H2O?

a)

6

b)

8

c)

2

d)

4

10.

How many Magnesium atoms are in 10MgCl2?

a)

10

b)

5

c)

20

11.

How many elements are in C6H12O6?

a)

6

b)

12

c)

3

d)

4

12.

How many atoms are there TOTAL in H2SO4 ?

a)

6

b)

5

c)

7

d)

3

13.

How many Nitrogen atoms are in (NH₄)₂CrO₄?

a)

1

b)

2

c)

8

d)

16

14.

How many Oxygen atoms are in Al₂(SO₄)₃?

a)

4

b)

12

c)

7

d)

24

15.

How many Hydrogen atoms in 3(NH₄)₂CrO₄?

a)

4

b)

2

c)

8

d)

24

16.

How many elements are present in this compound? (Careful!)

Mg2As3COHNi2

a)

2

b)

4

c)

6

d)

10

17.

H2SO4

a)

H = 2, S = 4, O = 4

b)

H = 2, S = 1, O = 4

c)

H = 8, S = 4, O = 4

d)

H = 2, SO = 4

18.

4CF2Cl2

a)

C = 4, F = 4, Cl = 2

b)

C = 1, F = 8, Cl = 8

c)

C = 4, F = 8, Cl = 8

d)

C = 1, F = 4, Cl = 8

19.

What is the atom count for the compound 4C2H8O ?

a)

4= C=2 H=8 O=1

b)

C=2 H=8 O=1

c)

C=8 H=32 O=4

d)

C=8 H=32 O=1

20.

How many different elements are present in H2COCH2

a)

5

b)

4

c)

3

d)

2

21.

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

22.

Which unit is used to measure speed?

a)

Newtons (N)

b)

Meters (m)

c)

Meters per second (m/s)

d)

Kilograms (kg)

23.

What does Newton's first law state about an object's motion?

a)

An object's motion can change without any force acting on it.

b)

A force is needed to keep an object moving.

c)

An object's motion cannot change unless a force acts on it.

d)

Friction is the only force affecting an object's motion.

24.

According to Newton's second law, what happens to the acceleration of an object if the force applied to it increases?

a)

The acceleration decreases

b)

The acceleration remains the same

c)

The acceleration increases

d)

The acceleration becomes negative

25.

Newton's second law is summarized by which equation?

a)

F=m×aF = m \times a

b)

F=maF = \frac{m}{a}

c)

F=m+aF = m + a

26.

What does Newton's third law state about forces?

a)

Forces act independently of each other

b)

Forces always result in motion

c)

Every force has an equal and opposite reaction force

d)

Forces are directly proportional to mass

27.

When one object exerts a force on another, what happens according to Newton's third law?

a)

The object doesn't react

b)

The other object applies an equal and opposite force

c)

The other object applies a different sized force

d)

The other object applies a force in the same direction

28.

Which of the following is an example of Newton's third law in action?

a)

A car stopped in the driveway

b)

A soccer ball hitting a goal post

c)

A book resting on a table

d)

A bird sitting in a nest

29.

What is the unit used to measure force?

a)

Newtons (N)

b)

Kilograms (kg)

c)

Meters per second (m/s)

d)

Joules (J)

30.

What force is responsible for slowing down a rolling ball on the ground?

a)

Gravity

b)

Magnetism

c)

Friction

d)

Electromagnetic Force

31.

Which law of motion describes an object's resistance to a change in its motion?

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

d)

None of these

32.

When forces acting on an object are balanced, what happens to the object's motion?

a)

The object accelerates

b)

The object moves in a circular path

c)

The object slows down

d)

The object's motion remains unchanged

33.

Which law of motion states that the force required to accelerate an object is directly proportional to its mass?

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

d)

None of these

34.

What is the unit for measuring mass?

a)

Newtons (N)

b)

Kilograms (kg)

c)

Meters per second (m/s)

d)

Joules (J)

35.

What type of force is needed to change an object's motion?

a)

Balanced Forces

b)

Frictional Forces

c)

Gravitational Forces

d)

Unbalanced Forces

36.

Which law of motion describes the phenomenon where forces always occur in pairs?

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

d)

None of these

37.

Which of the following is a unit of acceleration?

a)

Kilograms (kg)

b)

Meters per second squared (m/s2)

c)

Newtons (N)

d)

Joules (J)

38.
What is a PUSH or PULL of an object?
a)
Motion
b)
Force
c)
Friction
d)
Gravity
39.
It takes more force to accelerate the iron man on the left than the iron man on the right because the iron man on the left has more mass. This best describes
a)
Newton's first law, the law of inertia
b)
Newton's second law, the law of acceleration
c)
Newton's third law, the law of action reaction 
d)
The law of universal gravitation
40.

The formula ? = mass x acceleration or ? = m x a is used to find

a)

Force

b)

Velocity

c)

Momentum

d)

Gravity

41.
For every action, there is an equal and opposite reaction.
a)
Newton's
1st
Law of Motion
b)
Newton's
2nd
Law of Motion
c)
Newton's
3rd
Law of Motion
42.
a)
1st
b)
2nd
c)
3rd
43.
a)
1st
b)
2nd
c)
3rd
44.

If an object is stationary (not moving), the forces acting upon it are _____________

a)

unbalanced

b)

weak

c)

balanced

d)

Hulk Smash!

45.
Which organelle is a gelatin substance that helps fill out the cell
a)
Chloroplast
b)
Lysosomes
c)
Mitochondria
d)
Cytoplasm
46.
Which organelle releases the energy stored inside food
a)
Chloroplast
b)
Mitochondria
c)
Lysosomes
d)
Nucleus
47.
Select the statement that best describes the function of the cell wall.
a)
It gives structural support to plant cells.
b)
Its jelly-like fluid surrounds the nucleus and most of the cell’s internal parts.
c)
It contains the cell’s nuclear material. 
d)
It produces food from sunlight. 
48.
What is the name and function of the organelle displayed above?
a)
Mitochondria: breakdown glucose and produce ATP
b)
Chloroplast: converts solar energy into chemical energy
c)
Vacuole: Stores H2O, salt, food
d)
Nucleus: stores genetic information
49.
What cell part is NOT found in all cells?
a)
Cell Wall
b)
Cell Membrane
c)
Cytoplasm
d)
Genetic Material
50.

What is the function of the vacuole?

a)

Sac that stores water, nutrients, and waste products

b)

Jelly-like substance within the plasma membrane

c)

Sac filled with digestive chemicals

d)

Stack of membranes that packages chemicals

51.

Where does photosynthesis occur?

a)

mitochondria

b)

xylem

c)

stomata

d)

chloroplast

52.
The brain or "control center" of the cell. 
a)
Mitochondria
b)
Cell Membrane
c)
Cytoplasm
d)
Nucleus
53.

This organelle is the transportation network for the cell and moves materials around in the cell. What am I?

a)

mitochondria

b)

lysosomes

c)

chloroplast

d)

endoplasmic reticulum

54.
What is the structure labeled #4?
a)
Vacuole
b)
Cell wall
c)
Cytoplasm
d)
Cell membrane
55.

It contains the genetic material of the cell (DNA)

a)

Cytoplasm

b)

Nucleus

c)

Ribosome

d)

Golgi complex

56.

They produce energy

a)

Vacuole

b)

Nucleus

c)

Lysosome

d)

Mitochondria

57.

They store waste, water solutes and enzymes

a)

Vacuoles

b)

Lysosomes

c)

Mitochondria

d)

Plasma membrane

58.

What two organelles are NOT in an animal cell?

a)

Cell Membrane and Mitochondria

b)

Nucleus and Ribosomes

c)

Cell Wall and Chloroplasts

d)

Golgi Body and Lysosomes

59.
The organelle that packages and distributes proteins both within and to the the OUTSIDE of the cell.
a)
endoplasmic reticulum
b)
Golgi body
c)
ribosome
d)
lysosome
60.
The main source of energy for the cell.
a)
mitochondria
b)
ribosome
c)
lysosome
d)
nucleus
61.
The protective barrier that encloses all cells and holds the cell together while allowing materials such as nutrients and wastes in and out the cell.
a)
cell wall
b)
cell membrane
c)
cytoskeleton
d)
nucleus
62.
The internal delivery and transportation system of a cell.
a)
endoplasmic reticulum
b)
Golgi body
c)
ribosomes
d)
nucleus
63.
A structure inside a cell that has a specific function.
a)
organelle
b)
organ
c)
tissue
d)
organ system
64.

Which number on the diagram represents the cell membrane?

a)

11

b)

12

c)

5

d)

6

65.

Which number on the diagram represents the cytoplasm?

a)

14

b)

12

c)

5

d)

2

66.

Which number on the diagram represents the golgi apparatus?

a)

6

b)

14

c)

5

d)

2

67.

Which number on the diagram represents the smooth ER?

a)

6

b)

14

c)

5

d)

2

68.

Which number on the diagram represents the rough ER?

a)

6

b)

14

c)

5

d)

2

69.

Which number on the diagram represents the mitochondria?

a)

6

b)

14

c)

5

d)

2

70.

Which number on the diagram represents the ribosomes?

a)

7

b)

12

c)

5

d)

2

71.

Which number on the diagram represents the cell wall?

a)

16

b)

17

c)

18

d)

19

72.

Which number on the diagram represents the vacuole?

a)

16

b)

17

c)

18

d)

19

73.

Which number on the diagram represents the chloroplasts?

a)

16

b)

17

c)

18

d)

19

74.

Which number on the diagram represents the cell membrane?

a)

16

b)

17

c)

18

d)

19

75.

The following statements are about prokaryotic and eukaryotic cells. Select the statement that is false.

a)

Prokaryotic cells are typically thought of as more complex than eukaryotic cells.

b)

Eukaryotic cells have their DNA enclosed in a nucleus, prokaryotic cells do not.

c)

Both are surrounded by a cell membrane.

d)

Both have cytoplasm

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