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programma ok > IN ITALIANO, programma di fisica del primo anno dell'itis superiore in italia > Flashcards

IN ITALIANO, programma di fisica del primo anno dell'itis superiore in italia Flashcards

(64 cards)

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1
Q

What is the basic unit of measurement for mass in the International System of Units?

A

Kilogram

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2
Q

What is the formula for calculating speed?

A

Speed = Distance / Time

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3
Q

True or False: The unit of force in the International System of Units is the Newton.

A

True

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4
Q

What does the term ‘kinematics’ refer to in physics?

A

The study of motion without considering the forces that cause it.

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5
Q

Fill in the blank: The acceleration due to gravity on Earth is approximately ___ m/s².

A

9.81

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6
Q

What is the difference between speed and velocity?

A

Speed is a scalar quantity, while velocity is a vector quantity that includes direction.

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7
Q

What is the formula for calculating kinetic energy?

A

Kinetic Energy = 1/2 * mass * velocity²

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8
Q

What is the principle of conservation of energy?

A

Energy cannot be created or destroyed, only transformed from one form to another.

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9
Q

True or False: An object in uniform motion has a constant speed and direction.

A

True

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10
Q

What is the relationship between mass and weight?

A

Weight = mass * gravitational acceleration

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11
Q

What is the formula for calculating potential energy?

A

Potential Energy = mass * gravity * height

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12
Q

What is the definition of force?

A

A push or pull that can cause an object to accelerate.

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13
Q

Fill in the blank: The law of inertia states that an object at rest will remain at rest and an object in motion will remain in motion unless acted upon by an ___ force.

A

unbalanced

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14
Q

What is the unit of measurement for energy in the International System of Units?

A

Joule

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15
Q

What does the term ‘momentum’ refer to?

A

The product of an object’s mass and its velocity.

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16
Q

True or False: The total momentum of a closed system remains constant if no external forces act on it.

A

True

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17
Q

What is the formula for calculating work done?

A

Work = Force * Distance * cos(θ)

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18
Q

What is the difference between elastic and inelastic collisions?

A

In elastic collisions, kinetic energy is conserved, while in inelastic collisions, it is not.

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19
Q

Fill in the blank: The metric unit of temperature is the ___.

A

Kelvin

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20
Q

What is the definition of pressure in physics?

A

Force applied per unit area.

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21
Q

What is the formula for calculating density?

A

Density = Mass / Volume

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22
Q

True or False: An object will float in a fluid if it is less dense than the fluid.

A

True

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23
Q

What is the formula for calculating frequency?

A

Frequency = 1 / Period

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24
Q

What is the difference between longitudinal and transverse waves?

A

Longitudinal waves oscillate parallel to the direction of energy transfer, while transverse waves oscillate perpendicular.

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25
Fill in the blank: The speed of light in a vacuum is approximately ___ m/s.
299,792,458
26
What is the formula for calculating acceleration?
Acceleration = (Final Velocity - Initial Velocity) / Time
27
What is the principle of buoyancy?
An object submerged in a fluid experiences an upward force equal to the weight of the fluid displaced.
28
True or False: Friction always acts in the direction of motion.
False
29
What is the unit of measurement for electric current in the International System of Units?
Ampere
30
What is Ohm's Law?
Voltage = Current * Resistance
31
What is the definition of a circuit?
A closed loop that allows current to flow.
32
Fill in the blank: The unit of measurement for voltage is the ___.
Volt
33
What is the difference between series and parallel circuits?
In series circuits, components are connected end-to-end, while in parallel circuits, components are connected across the same voltage source.
34
What is the definition of work in physics?
Work is done when a force causes an object to move in the direction of the force.
35
True or False: The total energy of a system can change if work is done on it.
True
36
What is the formula for calculating gravitational potential energy?
Gravitational Potential Energy = mass * gravitational acceleration * height
37
What does the term 'thermal energy' refer to?
The internal energy present in a system due to its temperature.
38
Fill in the blank: The process of heat transfer through direct contact is called ___.
Conduction
39
What is the definition of an atom?
The smallest unit of a chemical element, consisting of a nucleus surrounded by electrons.
40
True or False: All matter is made up of atoms.
True
41
What is the difference between an element and a compound?
An element is a pure substance that cannot be broken down, while a compound is made up of two or more elements chemically bonded.
42
What is the definition of a chemical reaction?
A process that leads to the transformation of one set of chemical substances to another.
43
Fill in the blank: The law of conservation of mass states that mass is neither created nor destroyed in a ___.
chemical reaction
44
What is the unit of measurement for temperature in the Celsius scale?
Degrees Celsius
45
What is the definition of a hypothesis?
A proposed explanation for a phenomenon, subject to testing.
46
True or False: A scientific theory is a well-substantiated explanation of some aspect of the natural world.
True
47
What is the scientific method?
A systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.
48
Fill in the blank: The formula for calculating the area of a rectangle is ___ = length * width.
Area
49
What is the definition of a vector quantity?
A quantity that has both magnitude and direction.
50
What is the formula for calculating the volume of a cube?
Volume = side³
51
True or False: The boiling point of water is 100 degrees Celsius at standard atmospheric pressure.
True
52
What is the definition of wavelength?
The distance between successive crests of a wave.
53
What does the term 'refraction' refer to?
The bending of light as it passes from one medium to another.
54
Fill in the blank: The unit of measurement for frequency is the ___.
Hertz
55
What is the difference between a conductor and an insulator?
Conductors allow electric current to flow easily, while insulators resist the flow of electric current.
56
What is the definition of an electromagnetic wave?
A wave that consists of oscillating electric and magnetic fields and travels through space.
57
True or False: Sound travels faster in air than in water.
False
58
What is the formula for calculating the power of an electric circuit?
Power = Voltage * Current
59
Fill in the blank: The point at which an object starts to move is called the ___.
origin
60
What is the definition of an oscillation?
A repetitive variation, typically in time, of some measure about a central value.
61
What is the unit of measurement for frequency in waves?
Hertz
62
True or False: A net force of zero means that an object is at rest.
False
63
What is the formula for calculating the acceleration due to gravity on Earth?
Approximately 9.81 m/s²
64
What is the definition of thermal equilibrium?
The state in which two objects in thermal contact no longer transfer heat to each other.

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