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Q 1/118
Score 0
Which of the following is the first step in the scientific method?
30
Drawing a conclusion
Forming a hypothesis
Making an observation
Conducting an experiment
Q 2/118
Score 0
What is the next step in the scientific method after making an observation?
30
Conducting an experiment
Communicating results
Drawing a conclusion
Forming a hypothesis
118 questions
Q.
Which of the following is the first step in the scientific method?
1
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Q.
What is the next step in the scientific method after making an observation?
2
30 sec
Q.
Which step in the scientific method involves testing the hypothesis through experiments?
3
30 sec
Q.
What is the final step in the scientific method?
4
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Q.
Why is it important to communicate results in the scientific method?
5
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Q.
What is a hypothesis in the scientific method?
6
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Q.
Which step in the scientific method involves analyzing and interpreting the data collected from experiments?
7
30 sec
Q.
What is a variable in a scientific experiment?
8
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Q.
Which step in the scientific method involves forming a testable question based on the observation?
9
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Q.
In the scientific method, what is the purpose of conducting an experiment?
10
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Q.
Which of the following is an example of an independent variable in a scientific experiment?
11
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Q.
In a science experiment, which variable is measured or observed to gather data?
12
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Q.
What is the purpose of a control variable in a scientific experiment?
13
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Q.
Which variable remains constant and unchanged throughout a scientific experiment?
14
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Q.
What is the variable that is deliberately changed by the scientist in a scientific experiment?
15
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Q.
Which variable is used as a reference point in a scientific experiment?
16
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Q.
Which variable is kept consistent to ensure a fair test in a scientific experiment?
17
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Q.
What is the variable that is affected by the changes in the independent variable?
18
30 sec
Q.
Which variable is purposely kept the same in all groups in a controlled experiment?
19
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Q.
What is the variable that is changed by the scientist to see how it affects the outcome of an experiment?
20
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Q.
Which form of energy is obtained from the flow of electrons?
21
30 sec
Q.
What type of energy is stored in a stretched rubber band?
22
30 sec
Q.
Which type of energy is produced by the movement of objects or substances?
23
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Q.
What form of energy is emitted by the sun?
24
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Q.
Which type of energy is stored in food and can be released through digestion?
25
30 sec
Q.
What type of energy is produced by the movement of air molecules?
26
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Q.
Which type of energy is associated with the motion of atoms and molecules?
27
30 sec
Q.
What form of energy is produced by the vibration of particles in a medium, such as air or water?
28
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Q.
What type of energy is generated by the movement of water over a waterfall?
29
30 sec
Q.
Which form of energy is carried by electromagnetic waves and can be seen by the human eye?
30
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Q.
Which of the following is an example of energy transformation?
31
30 sec
Q.
What type of energy transformation occurs when a windmill is used to generate electricity?
32
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Q.
What type of energy transformation occurs when a battery-powered flashlight is turned on?
33
30 sec
Q.
Which of the following is an example of energy transfer?
34
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Q.
What type of energy transformation occurs when a car engine burns gasoline to move the vehicle?
35
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Q.
What type of energy transformation occurs when a person eats a sandwich?
36
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Q.
What type of energy transformation occurs when a flashlight battery is used to power a handheld fan?
37
30 sec
Q.
When a light bulb is turned on, which type of energy is being transformed?
38
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Q.
What type of energy transformation occurs when a solar panel converts sunlight into electricity?
39
30 sec
Q.
What type of energy transformation occurs when a wind-up toy is released and starts moving?
40
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Q.
Which of the following is NOT an example of matter?
41
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Q.
Which state of matter has a definite shape and volume?
42
30 sec
Q.
What is the process called when a solid changes directly into a gas without becoming a liquid first?
43
30 sec
Q.
What is the basic unit of all matter?
44
30 sec
Q.
Which of the following is NOT a physical property of matter?
45
30 sec
Q.
What is the state of matter of water at room temperature?
46
30 sec
Q.
Which of the following is an example of a chemical change?
47
30 sec
Q.
What is the process called when a gas changes directly into a solid without becoming a liquid first?
48
30 sec
Q.
What happens to the volume of a gas when it is heated?
49
30 sec
Q.
Which of the following is an example of a heterogeneous mixture?
50
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Q.
What is the volume of a rectangular prism with a length of 5 cm, width of 3 cm, and height of 4 cm?
51
30 sec
Q.
A cube has a side length of 3 meters. What is its volume?
52
30 sec
Q.
Which method would you use to find the volume of a rectangular prism?
53
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Q.
What method would you use to find the volume of an irregularly shaped object?
54
30 sec
Q.
How can you determine the volume of a liquid?
55
30 sec
Q.
Which of the following is NOT a state of matter?
56
30 sec
Q.
Which state of matter has a definite shape and volume?
57
30 sec
Q.
Which state of matter has particles that are closely packed together but can still flow and take the shape of their container?
58
30 sec
Q.
Which state of matter has particles that are far apart and move freely?
59
30 sec
Q.
Which state of matter is often described as a 'superheated gas' where atoms lose their electrons?
60
30 sec
Q.
Which state of matter has a definite shape but takes the shape of its container?
61
30 sec
Q.
Which state of matter has a fixed shape and volume?
62
30 sec
Q.
Which state of matter has a definite volume but takes the shape of its container?
63
30 sec
Q.
Which state of matter has particles that vibrate in fixed positions and have a definite shape and volume?
64
30 sec
Q.
Which state of matter is known for being able to conduct electricity and being affected by magnetic fields?
65
30 sec
Q.
Which of the following represents a balanced chemical equation?
66
30 sec
Q.
What is the chemical symbol for oxygen?
67
30 sec
Q.
What is the law of conservation of mass in a chemical reaction?
68
30 sec
Q.
What does a subscript in a chemical formula represent?
69
30 sec
Q.
What is the product of the following chemical equation: HCl + NaOH -> ?
70
30 sec
Q.
What is the balanced chemical equation for the reaction between sodium (Na) and chlorine (Cl) to form sodium chloride (NaCl)?
71
30 sec
Q.
Which of the following represents the reactants in the chemical equation: 4Fe + 3O2 -> 2Fe2O3?
72
30 sec
Q.
What is the product of the following chemical equation: 2H2 + O2 -> ?
73
30 sec
Q.
What is the balanced chemical equation for the reaction between carbon (C) and oxygen (O2) to form carbon dioxide (CO2)?
74
30 sec
Q.
What does the arrow in a chemical equation represent?
75
30 sec
Q.
Which subatomic particle is positively charged?
76
30 sec
Q.
Which subatomic particle is located in the nucleus of an atom?
77
30 sec
Q.
Which subatomic particle is neutral in charge?
78
30 sec
Q.
Which subatomic particle is negatively charged?
79
30 sec
Q.
Which subatomic particle has a mass close to 1 atomic mass unit?
80
30 sec
Q.
Which subatomic particle is responsible for the bonding of atoms in molecules?
81
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Q.
What is the charge of an electron?
82
30 sec
Q.
Which subatomic particle has a mass close to zero?
83
30 sec
Q.
Which subatomic particle is found in the nucleus of an atom?
84
30 sec
Q.
What is the charge of a proton?
85
30 sec
Q.
Which of the following best describes the force that resists the motion of an object?
86
30 sec
Q.
What is the term for an object's tendency to resist changes in its motion?
87
30 sec
Q.
Which of the following is a measure of how fast an object's position changes over time?
88
30 sec
Q.
What force keeps objects on the surface of the Earth?
89
30 sec
Q.
Which of the following is a measure of the rate at which an object changes its velocity?
90
30 sec
Q.
What is the term for a force that is exerted by a stretched or compressed object?
91
30 sec
Q.
When an object changes its position over time, it is said to be in what state?
92
30 sec
Q.
According to Newton's third law of motion, for every action, there is an equal and opposite ________.
93
30 sec
Q.
Which of Newton's laws states that an object at rest will stay at rest, and an object in motion will stay in motion unless acted upon by an external force?
94
30 sec
Q.
Which of Newton's laws can be summarized by the equation F = ma?
95
30 sec
Q.
Newton's second law of motion states that the acceleration of an object is directly proportional to the net ________ acting on it and inversely proportional to its mass.
96
30 sec
Q.
Newton's third law of motion states that for every action, there is an equal and opposite reaction. Which of the following scenarios best illustrates this law?
97
30 sec
Q.
Which of Newton's laws states that the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass?
98
30 sec
Q.
Which of Newton's laws states that every object will remain at rest or in uniform motion in a straight line unless compelled to change its state by the action of an external force?
99
30 sec
Q.
When a skateboarder pushes against the ground, causing the skateboard to move forward, which of Newton's laws is being demonstrated?
100
30 sec
Q.
Which of Newton's laws explains why a tennis ball continues to move in a straight line after being hit by a racket?
101
30 sec
Q.
What is the net force acting on an object if two forces of 5 N and 3 N are pushing in opposite directions?
102
30 sec
Q.
If a box is being pushed to the right with a force of 8 N and to the left with a force of 4 N, what is the net force acting on the box?
103
30 sec
Q.
A book is being pushed to the right with a force of 10 N and to the left with a force of 7 N. What is the net force acting on the book?
104
30 sec
Q.
If a ball is pushed to the right with a force of 6 N and to the left with a force of 4 N, what is the net force acting on the ball?
105
30 sec
Q.
If a bicycle is moving forward with a force of 15 N and facing resistance backward with a force of 8 N, what is the net force acting on the bicycle?
106
30 sec
Q.
If a rocket is accelerating upwards with a force of 500 N and facing gravity downwards with a force of 300 N, what is the net force acting on the rocket?
107
30 sec
Q.
If a car is accelerating to the right with a force of 2000 N and facing friction to the left with a force of 500 N, what is the net force acting on the car?
108
30 sec
Q.
If a swimmer is pushing against the water with a force of 50 N and is also experiencing water resistance of 20 N, what is the net force acting on the swimmer?
109
30 sec
Q.
If a ball is being pulled to the right with a force of 12 N and to the left with a force of 9 N, what is the net force acting on the ball?
110
30 sec
Q.
If a student is pushing a heavy box to the right with a force of 80 N and a friend is pushing in the opposite direction with a force of 40 N, what is the net force acting on the box?
111
30 sec
Q.
In a force diagram, what do arrows represent?
112
30 sec
Q.
What is the purpose of a force diagram?
113
30 sec
Q.
What do balanced forces on a force diagram result in?
114
30 sec
Q.
What does a larger arrow in a force diagram indicate?
115
30 sec
Q.
How are forces typically represented in a force diagram?
116
30 sec
Q.
What is the main purpose of using force diagrams in understanding the motion of objects?
117
30 sec
Q.
What do force diagrams help us understand about an object?
