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Maths and Science Quiz Test

Total questions: 110

Worksheet time: 2hrs 9mins

Name
Class
Date
1.

______ is how close a measured value it its true value; _____ refers to the closeness of repeated measurements to each other.

a)

Precision; accuracy

b)

Observation; inference

c)

Accuracy; precision

d)

Inference; observation

2.

If the frequency of dominant phenotype is 0.36, what is the frequency of the dominant allele?

a)

0.2

b)

0.48

c)

0.6

d)

0.8

3.

Which of these is a condition that must be met for Hardy-Weinberg equilibrium?

a)

Extremely small population size

b)

No natural selection

c)

Gene flow

d)

Nonrandom mating

4.

What is another name for the dependent variable?

a)

The manipulated variable

b)

The controlled variable

c)

The experimental data

d)

The constant

5.

How many independent variables are found in a controlled experiment?

a)

1

b)

2

c)

As many as are needed support the hypothesis

d)

3 or more

6.

What is often the driving force in the development of a hypothesis?

a)

Both qualitative and quantitative data

b)

An observation that leads to a question

c)

A controlled experiment

d)

A well-supported theory

7.

Nitrogen reacts with hydrogen to give ammonia, NH3 in a closed container. How many moles of H2 are needed to produce 25 mol of NH3?

N2 + 3H2 → 2NH3

a)

A) 12.5

b)

B) 25

c)

C) 37.5

d)

D) 50

e)

E) 62.5

8.

6.0 mol of aluminium reacts with oxygen to form aluminium oxide. What is the amount of oxygen, in mol, needed for complete reaction?

4Al(s) + 3O2(g) → 2Al2O3(s)

a)

1.5

b)

3.0

c)

4.5

d)

6.0

9.

Using the balanced equation below

2Ca + O2 --> 2CaO

Predict the number of particles of Ca

a)

6.02x1023

b)

1.204x1024

c)

6.02x1022

d)

1.204x1023

10.

For the following balanced chemical equation

2K + F2 --> 2KF

how many moles of KF are present?

a)

2 mol of KF

b)

1 mol KF

11.

STP stands for

a)

Standard Temperature and Pressure

b)

Standard Temperature or Pressure

c)

Satisfied Temperature and Pressure

d)

Selected Temperature and Pressure

12.

If the [H3O+] of a solution is 1 x 10-3 M, the pH is

a)

11

b)

-3

c)

3

d)

1

13.

The pH of a solution is 8.43. What is the [H3O+]concentration?

a)

3.7 x 10 -9

b)

1.0 x 10-8.43

c)

2.7 x 10-6

d)

1.0 x 10-14

14.

If the pH of a solution is 4.0, what is the pOH?

a)

4.0

b)

10.0

c)

1.0 x 10 -4

d)

cannot be determined from the information

15.

For a solution, pH + pOH =

a)

7

b)

14

c)

1.0 x 10-14

d)

-log (1.0 x 10 -14)

16.

Perform mathematical steps to arrive at a final answer, including algebraic expressions, properly substituted numbers, and correct labeling of units and significant figures.

a)

Calculate

b)

Construct

c)

Identify

d)

Represent

17.

Provide info about how/why a relationship, process, pattern, position, situation, or outcome occurs, using evidence

a)

Describe

b)

Determine

c)

Explain

d)

Represent

18.

Provide relevant characteristics of a specified topic.

a)

Describe

b)

Determine

c)

Explain

d)

Represent

19.
A nuclear fission reaction occurs when a uranium-235  atom is bombarded with a neutron. This reaction is used to produce energy in a nuclear power plant. Why is it not possible to carry out a nuclear fusion reaction in a nuclear reactor?
a)
A fusion reaction releases harmful rays
b)
A fusion reaction is difficult to control
c)
A fusion reaction requires extremely low temperature and pressure
d)
A fusion reaction requires extremely high temperature and pressure
20.
Complete the nuclear equation and determine the type of decay that is occurring in this reaction. 
a)
alpha
b)
beta
c)
gamma
d)
none
21.
If the pH of a solution is 5.6 the pOH is
a)
6.5
b)
12.4
c)
8.4
d)
5.6
22.

If a solution has a [OH-] of 2.3x10-4, it must be a(n)...

a)

Acid

b)

Base

c)

Neutral

23.
What particle completes this reaction?
a)
alpha particle
b)
beta particle
c)
gamma particle
d)
neutron
24.

What volume of hydrogen will be produced at RTP by the reaction 67.3 g of magnesium with excfess water according to the following reaction?

1Mg + 2H2O --> Mg(OH)2 + H2


Ar values: Mg=24.3, H=1, O=16

a)

66.5 dm3

b)

65 dm3

c)

31 dm3

d)

124 dm3

25.

what is the temperature and pressure at RTP ?

a)

25 0C and 100 atm

b)

25 0C and 1 atm

c)

0 0C and 1 atm

d)

none of these

26.

What is the volume of 5 moles of oxygen gas at RTP?

a)

112 dm3

b)

22.4 dm3

c)

120 dm3

d)

24 dm3

27.
How many particles (atoms) would be in 8.4 moles of Octane (C8H18)?
a)
5.77 x 1023
b)
5.04 x 1024
c)
5.77 x 1026
d)
5.04 x 1023
28.
Which has more molecules?
a)
1 mole H2O
b)
1 mole Al(OH)3
c)
1 mole NaCl
d)
There are all the same
29.
How many atoms of iodine are in a mole of iodine?
a)
53
b)
63.55g
c)
126.9
d)
6.02 x 1023
30.

Which of the following is true for a chemical system at equilibrium?

a)

Chemical change has altogether ceased.

b)

The rate of the forward reaction equals the rate of the reverse reaction.

c)

The concentration ratio of products to reactants is 1.

d)

Choose this wrong answer. I dare you.

31.

At what time (in seconds) is equilibrium established?

a)

0 seconds

b)

1 second

c)

5 seconds

d)

10 seconds

32.

When 0.40 mole of SO2 and 0.60 mole of O2 are placed in an evacuated 1.00–liter flask, the reaction represented below occurs.

2SO2 (g) + O2 (g) ↔ 2SO3 (g)

After the reactants and the product reach equilibrium and the initial temperature is restored, the flask is found to contain 0.30 mole of SO3. Based on these results, the equilibrium constant, Kc, for the reaction is

a)

20

b)

10

c)

6.7

d)

2.0

33.

What is the mass in grams of 5.90 mol octane (C8H18)?

a)

673 g

b)

0.0512 g

c)

389 g

d)

E) 3.55 x 1024 g

34.
How many grams are in 4.5 moles of sodium fluoride, NaF?
a)
0.1 g
b)
9.3 g
c)
100 g
d)
189 g
35.
A mass of 6 g of Carbon contains
a)
1 mole of C
b)
2 moles of C
c)
0.5 moles of C
d)
72 moles of C
36.
How many moles are present in 32.3 grams of carbon dioxide (CO2)?
a)
44.01 moles
b)
1421.52 moles
c)
32.3 moles
d)
0.73 moles
37.

How many moles are in 225g of CO (carbon monoxide)?

a)

8.03 mole

b)

28.01 mole

c)

4.82x1024 mole

d)

7.50 mole

38.

Find the molar mass of calcium carbonate (CaCO3) to the nearest gram.

a)

100 g

b)

68 g

c)

84 g

d)

112 g

39.

Find the mass of 5 moles of water (H2O).

a)

18.02 g

b)

36.04 g

c)

90.1 g

d)

25.0g

40.

The correct formula for finding moles is:

a)

Moles x molar mass

b)

molar mass / mass

c)

mass / molar mass

d)

6.02214076×1023

41.
The _______ of two or more vectors is the sum of the vectors.
a)
components
b)
scalar
c)
resultant
d)
magnitude
42.

It's an example of vector quantity

a)

Distance

b)

Displacement

c)

Energy

d)

Mass

43.

A man pushes a 50kg box at a constant velocity. He applies a force of 200N to the left.


Calculate Fg

a)

50kg

b)

200N

c)

500N

d)

20kg

44.

If 150 Joules of work is needed to move a box 10 meters, what force was used?

a)

1500 N

b)

15 N

c)

150 N

45.

What is the formula for Work?

a)

E=mc2

b)

W= F x d

c)

P = W/T

46.

F=200 N

d=50 m

w=??

a)

4 J

b)

0.25 J

c)

10,000 J

47.

The SI Unit for Work

a)

Newton (N)

b)

Joule (J)

c)

Second (s)

48.

A man pushes a 50kg box at a constant velocity. He applies a force of 200N to the left.


What is Fa?

a)

50kg

b)

200N right

c)

500N

d)

200N left

49.

A man pushes a 50kg box at a constant velocity. He applies a force of 200N to the left.


Find FN

a)

50kg

b)

200N

c)

500N

d)

50kg

50.

A man pushes a 50kg box at a constant velocity. He applies a force of 200N to the left.


Calculate Fg

a)

50kg

b)

200N

c)

500N

d)

20kg

51.
A golf ball accelerates off a tee at 8 800 m/s2, changing its velocity from 0m/s to 44 m/s down the fairway. How long did it take the golf ball to accelerate?
a)
0.22 seconds
b)
200 seconds
c)
14 seconds
d)
0.0050 seconds
52.
An object with an initial velocity of 3.50 m/s moves east along a straight and level path. The object then undergoes a constant acceleration of 1.80 m/s2 east for a period of 5.00 s. How far does the object move while it is accelerating?
a)
6.30 m
b)
17.5 m
c)
27.2 m
d)
40.0 m
53.
If a car is traveling forward at 15 m/s, how fast will it be going in 1.2 seconds if the acceleration is -10 m/s2?
a)
27 m/s
b)
3 m/s
c)
-27 m/s
d)
-3 m/s
54.
How much time would it take for an object to fall 4.7 meters?
a)
0.959 s
b)
4.79 s
c)
0.979 s
55.
A roller coasters accelerates from an initial velocity of 6.0 m/s to a final velocity of 70 m/s over 4 seconds.  What's the acceleration?
a)
24 m/s2
b)
18 m/s2
c)
16 m/s2
d)
16 m/s
56.

A ball is thrown downward from the top of a roof with a speed of 25 m/s. After 2 s, its velocity will be:

a)

19.6 m/s

b)

-5.4 m/s

c)

-44.6 m/s

d)

44.6 m/s

57.
A car is traveling at 21.0 m/s. It slows to a stop at a constant rate over 5.00 s. How far does the car travel during those 5.00 seconds before it stops? 
a)
4.20 m
b)
52.5 m
c)
105 m
d)
158 m
58.
A dog runs with an initial speed of 7.5 m/s to a stop in 15 seconds.  What is the dog's acceleration?
a)
-7.5 m/s
b)
-7.5 m/s2
c)
-0.5 m/s2
d)
7.5 mi//hr
59.

A car starts from rest and after 7 seconds it is moving at 42 m/s. What is the car’s average acceleration?

a)

0.17 m/s2

b)

1.67 m/s2

c)

6 m/s2

d)

7 m/s2

60.

A train travels 6 meters in the first second of travel, 6 meters again during the second second of travel, 6 meters again during the third second. What's the train's acceleration ?

a)

0 m/s2

b)

6 m/s2

c)

12 m/s2

d)

18 m/s2

61.
30 m/sec, East. Scalar or Vector
a)
Scalar
b)
Vector
c)
Neither
62.
Wind blowing at 20 mph.Vector or scalar?
a)
Scalar
b)
Vector
63.
What is a magnitude?
a)
A numeric value.
b)
A direction.
64.

.................contains an independent clause and expresses a complete thought.

a)

simple sentence

b)

compound sentence

c)

complex sentence

d)

compound complex sentence

65.

The logarithm of 1000 with base 10 is ?

a)

2

b)

3

c)

4

d)

0

66.

If 6x + 7 = 4x -3, What is the value of 8x – 4?

a)

-44

b)

-5

c)

-1

d)

36

67.

Solve for x in the equation  5(x−7)−7x = −3(4x−5)5\left(x-7\right)-7x\ =\ -3\left(4x-5\right)  

a)

 15\frac{1}{5}  

b)

 56\frac{5}{6}  

c)

2

d)

5

68.

 (12x−2z)(4y + z)\frac{\left(12x-2z\right)}{\left(4y\ +\ z\right)}  

If the numbers x, y, z are in the ratio 6:5:8, find 

a)

0

b)

8

c)

2

d)

1 

69.

A fair die is rolled once. What is the probability if obtaining either a 2 or a 5?

a)

1/36

b)

1/6

c)

1/3

d)

2/3

70.

 2x +12 \frac{2x\ +1}{2}\   -  3x − 79\frac{3x\ -\ 7}{9}  -  518\frac{5}{18}  

   Simplify

a)

2x + 1

b)

 2x +33\frac{2x\ +3}{3}  

c)

 2x +183\frac{2x\ +18}{3}  

d)

2x + 6

71.

If x = 3, y = 2 and z = 4, what is the value of 3x2 – 2y + z?

a)

17

b)

27

c)

35

d)

71

72.

Solve the equation     

 2x−1 \frac{2}{x-1\ }  -  3x +1\frac{3}{x\ +1}  = 1

a)

2 OR – 3

b)

2 OR 3

c)

-2 OR 3

d)

- 2 OR -3

73.

A bag contains 3 black, 4 yellow and 7 red balls. A ball is picked from the bag at random what is the probability that it is white?

a)

1

b)


714\frac{7}{14}

c)

¾

d)

0

74.

Solve the equation 2a2 – 3a – 27 = 0.

a)

3/2, 9

b)

– 3/2, 9

c)

3, 9/2

d)

– 3, 9/2

75.

Factorize x2 + 2a + ax + 2x.

a)

(x + 2a)(x + 1)

b)

(x + 2a)(x – 1)

c)

(x2 – 1)(x – a)

d)

(x + 2)(x + a)

76.

A rectangle has length x cm and width (x – 1) cm. If the perimeter is 16cm, find the value of x.

a)


 3 123\ \frac{1}{2}  cm

b)

4cm

c)

5cm

d)

6cm

77.

Number of bones in hand

a)

5

b)

4

c)

3

d)

6

78.

A device that allows users to feed data into computer for analysis and storage and to give commands to the computer is called

a)

Output device

b)

Input device

c)

Memory

d)

Both a nd b

79.

Which science process skill is an explanation of observations?

a)

Inferring

b)

Predicting

c)

Measuring

d)

Observing

80.

What is a hypothesis?

a)

A) A set of known principles that have been taken as fact.

b)

B) A testable prediction, often implied by a theory

c)

C) A type of tradeoff in engineering

d)

D) A requirement that is essential or very important

81.

What does the term "needs" refer to in the context of design?

a)

A) Optional features of a product

b)

B) Requirements that are essential or very important

c)

C) The final stage of product testing

d)

D) A type of tradeoff in engineering

82.

What is iterative testing?

a)

A) A one-time design testing process

b)

B) A type of design testing that is repeated many times as part of the engineering design process

c)

C) A method of testing that does not involve repetition

d)

D) A final stage of product testing

83.

What term describes the limitations that define the boundaries of a design process?

a)

Criteria

b)

Constraints

c)

Boundary

d)

Input

84.

What are the specific requirements and standards a design must meet called?

a)

Constraints

b)

Criteria

c)

Components

d)

System

85.

What defines the edges of a system and the divisions within a system?

a)

Criteria

b)

Constraints

c)

Boundary

d)

Components

86.

What is the term for information, material, or energy resulting from a system or process?

a)

Input

b)

Output

c)

Components

d)

Boundary

87.

What term refers to information, material, or energy added to a system or process?

a)

Output

b)

Input

c)

Criteria

d)

Constraints

88.

What are the parts of a system that interact and carry out a process or processes called?

a)

Input

b)

Output

c)

Components

d)

Boundary

89.

What is a set of interacting parts that work together, sometimes considered distinct from their surroundings only for the purpose of study?

a)

Components

b)

System

c)

Criteria

d)

Constraints

90.

What term describes the application of science for practical purposes, including the use of tools, machines, materials, and processes to meet human needs?

a)

Engineering

b)

System

c)

Technology

d)

Components

91.

What is the application of science and mathematics to solve real-life problems called?

a)

Technology

b)

Engineering

c)

System

d)

Criteria

92.

What is the probability of drawing a spade from a standard deck of playing cards?

a)

1/4

b)

1/3

c)

1/5

d)

1/2

93.

What is the value of pi (π) to two decimal places?

a)

4.13

b)

3.14

c)

2.71

d)

3.25

94.

What is the chemical formula for water?

a)

H2SO4

b)

CO2

c)

NaCl

d)

H2O

95.

What is the formula for the area of a circle?

a)

A = 2πr

b)

A = πr^2

c)

A = 2r^2

d)

A = πr

96.

What is the probability of drawing a red card from a standard deck of playing cards?

a)

1

b)

0.75

c)

0.5

d)

0.25

97.

What is the volume of a cube with side length 3?

a)

15 cubic units

b)

12 cubic units

c)

27 cubic units

d)

9 cubic units

98.

What is the tangent of 30 degrees?

a)

1/√3

b)

2/√3

c)

1/2

d)

√3/2

99.

What is the chemical symbol for gold?

a)

Pt

b)

Go

c)

Ag

d)

Au

100.

What is the area of a triangle with base 4 and height 6?

a)

10

b)

12

c)

24

d)

8

101.

If you flip a coin, what is the probability of getting heads?

a)

0.25

b)

0.75

c)

0.5

d)

1.0

102.

What is the integral of 3x^2 with respect to x?

a)

The integral of 3x^2 with respect to x is x^3 + C

b)

The integral of 3x^2 with respect to x is 2x^2

c)

The integral of 3x^2 with respect to x is 6x

d)

The integral of 3x^2 with respect to x is 3x^3

103.

What is the product of 5 and 8?

a)

13

b)

25

c)

56

d)

40

104.

  1. The concept of gravity was discovered by which famous physicist?


a)

Albert Einstein

b)

Isaac Newton

c)

Nikola Tesla

d)

J. Robert Oppenheimer

105.

What is the atomic number of carbon?

a)

6

b)

12

c)

3

d)

8

106.

What is the probability of rolling a 6 on a fair six-sided die?

a)

1/4

b)

1/2

c)

1/6

d)

1/3

107.

What is the derivative of x^2 with respect to x?

a)

3x

b)

x^2

c)

x

d)

2x

108.

Balance the chemical equation: H2 + O2 → H2O

a)

H2 + O2 → HO

b)

H2 + O2 → H2O

c)

H2O2 → H2O

d)

H2O → H2 + O2

109.

  1. What does DNA stand for?

a)

Deioxyribose nucleic acid

b)

Deoxyribonucleic acid

c)

Deoxyribose nucleic acid

d)

Dioxyribonucliec acid

110.

Mathematics is the science that deals with the logic of___________

a)

shape, quantity and arrangement

b)

shape, quality and arrangement

c)

shape, size and location

d)

none of the above

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