Question 1

What is the process of a gas changing to a liquid called?

Accepted Answer

Condensation

Answer

Freezing

Answer

Evaporation

Answer

Sublimation

Question 2

What type of energy is stored in the bonds between atoms?

Accepted Answer

Chemical energy

Answer

Thermal energy

Answer

Kinetic energy

Answer

Potential energy

Question 3

What is the law of conservation of energy?

Accepted Answer

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

Answer

Energy can be converted from one form to another, but not conserved

Answer

Energy can be destroyed but not created

Answer

Energy can be created but not destroyed

Question 4

What is the force that opposes motion between two surfaces in contact?

Accepted Answer

Friction

Answer

Inertia

Answer

Gravity

Answer

Magnetism

Question 5

What is the process of a solid changing directly to a gas called?

Accepted Answer

Sublimation

Answer

Freezing

Answer

Condensation

Answer

Evaporation

Question 6

What is the property of a material that resists a change in its state of motion?

Accepted Answer

Inertia

Answer

Energy

Answer

Force

Answer

Mass

Question 7

What type of energy is due to the motion of an object?

Accepted Answer

Kinetic energy

Answer

Thermal energy

Answer

Potential energy

Answer

Chemical energy

Question 8

What is the law that states that for every action, there is an equal and opposite reaction?

Accepted Answer

Newton's third law of motion

Answer

Newton's first law of motion

Answer

Einstein's law of relativity

Answer

Newton's second law of motion

Question 9

What is the measure of the potential energy of an object due to its position?

Accepted Answer

Gravitational potential energy

Answer

Radiant energy

Answer

Nuclear energy

Answer

Kinetic energy

Question 10

What is the measure of the ability of an object to do work?

Accepted Answer

Energy

Answer

Force

Answer

Momentum

Answer

Power

Question 11

What type of energy is stored in an object when it is stretched or compressed?

Accepted Answer

Elastic potential energy

Answer

Chemical energy

Answer

Thermal energy

Answer

Sound energy

Question 12

What is the measure of the average kinetic energy of the particles in a substance?

Accepted Answer

Temperature

Answer

Pressure

Answer

Density

Answer

Volume

Question 13

What is the measure of the amount of energy transferred from one object to another?

Accepted Answer

Heat

Answer

Potential energy

Answer

Power

Answer

Work

Question 14

What type of energy comes from the sun and travels to Earth as electromagnetic waves?

Accepted Answer

Radiant energy

Answer

Electrical energy

Answer

Mechanical energy

Answer

Thermal energy

Question 15

What is the measure of the rate at which work is done?

Accepted Answer

Power

Answer

Energy

Answer

Force

Answer

Velocity

Question 16

What is the measure of the average speed at which particles in a substance move?

Accepted Answer

Heat

Answer

Temperature

Answer

Volume

Answer

Pressure

Question 17

What type of energy is generated by the movement of electrons?

Accepted Answer

Electrical energy

Answer

Sound energy

Answer

Magnetic energy

Answer

Thermal energy

Question 18

What is nuclear decay?

Accepted Answer

The process by which an unstable atomic nucleus loses energy by emitting radiation.

Answer

The process by which a stable atomic nucleus loses energy by emitting radiation.

Answer

The process by which an unstable atomic nucleus gains energy by absorbing radiation.

Answer

The process by which an unstable atomic nucleus gains energy by emitting radiation.

Question 19

What is an alpha particle?

Accepted Answer

A particle consisting of two protons and two neutrons, identical to the nucleus of a helium atom.

Answer

A particle consisting of a proton and a neutron.

Answer

A particle consisting of a proton and an electron.

Answer

A particle consisting of an electron and a neutron.

Question 20

What is beta decay?

Accepted Answer

The process by which a neutron decays into a proton, an electron, and an anti-neutrino.

Answer

The process by which an electron is emitted from an atomic nucleus.

Answer

The process by which a helium nucleus is emitted from an atomic nucleus.

Answer

The process by which a proton decays into a neutron, a positron, and a neutrino.

Question 21

What is gamma radiation?

Accepted Answer

High-energy electromagnetic radiation emitted by the nucleus during radioactive decay.

Answer

Low-energy electromagnetic radiation emitted by the nucleus during radioactive decay.

Answer

Particles consisting of protons and neutrons emitted by the nucleus during radioactive decay.

Answer

Particles consisting of electrons emitted by the nucleus during radioactive decay.

Question 22

What is half-life?

Accepted Answer

The time it takes for half of the atoms in a sample of a radioactive substance to decay.

Answer

The time it takes for a substance to become radioactive.

Answer

The time it takes for all of the atoms in a sample of a radioactive substance to decay.

Answer

The time it takes for half of the atoms in a sample of a non-radioactive substance to decay.

Question 23

Which type of chemical reaction involves the breakdown of a single compound into two or more simpler substances?

Accepted Answer

Decomposition

Answer

Oxidation

Answer

Combustion

Answer

Hydrolysis

Question 24

What type of reaction occurs when a compound reacts with oxygen to produce carbon dioxide and water?

Accepted Answer

Combustion

Answer

Reduction

Answer

Phosphorylation

Answer

Decarboxylation

Question 25

Which kinematics parameter represents the change in position of an object over time?

Accepted Answer

Displacement

Answer

Distance

Answer

Acceleration

Answer

Speed

Question 26

What is the difference between distance and displacement?

Accepted Answer

Displacement is a vector quantity that includes direction, while distance is a scalar quantity that does not.

Answer

Distance and displacement are the same thing.

Answer

Distance is a vector quantity that includes direction, while displacement is a scalar quantity that does not.

Answer

Displacement is just a fancier word for distance.

Question 27

What is the difference between speed and velocity?

Accepted Answer

Velocity includes direction, while speed does not.

Answer

Speed and velocity are essentially the same thing.

Answer

Velocity is a measure of acceleration, while speed is a measure of distance.

Answer

Speed includes direction, while velocity does not.

Question 28

If an object is accelerating, what is happening to its velocity?

Accepted Answer

Its velocity is changing over time.

Answer

Its velocity is always zero.

Answer

Its velocity is staying constant.

Answer

Its velocity is decreasing over time.

Question 29

What is the slope of a distance vs. time graph?

Accepted Answer

Velocity

Answer

Speed

Answer

Acceleration

Answer

Displacement

Question 30

What is the slope of a velocity vs. time graph?

Accepted Answer

Acceleration

Answer

Distance

Answer

Speed

Answer

Displacement

Question 31

What is the equation for acceleration?

Accepted Answer

Acceleration = (final velocity - initial velocity)/time

Answer

Acceleration = initial velocity/final velocity

Answer

Acceleration = force/mass

Answer

Acceleration = distance/time

Question 32

Which of the following is not a unit for velocity?

Accepted Answer

N

Answer

mi/h

Answer

m/s

Answer

km/h

Question 33

What is a contact force?

Accepted Answer

A force that occurs when two objects touch each other.

Answer

A force that occurs when two objects are attracted to each other.

Answer

A force that occurs when two objects are repelled from each other.

Answer

A force that occurs when two objects are in the same location.

Question 34

What is the direction of the normal force?

Accepted Answer

Perpendicular to the surface.

Answer

Parallel to the surface.

Answer

In the same direction as the force applied.

Answer

Opposite to the direction of the force applied.

Question 35

What is the net force on an object at rest?

Accepted Answer

Zero.

Answer

Cannot be determined.

Answer

Negative.

Answer

Positive.

Question 36

What is the relationship between force and acceleration?

Accepted Answer

Force and acceleration are directly proportional.

Answer

Force and acceleration are inversely proportional.

Answer

Cannot be determined.

Answer

Force and acceleration are not related.

Question 37

What is a non-contact force?

Accepted Answer

A force that occurs without physical contact between objects.

Answer

A force that occurs when two objects are touching each other.

Answer

A force that occurs when two objects are moving in opposite directions.

Answer

A force that occurs when two objects are moving in the same direction.

Question 38

What is a free-body diagram?

Accepted Answer

A diagram that shows all the forces acting on an object.

Answer

A diagram that shows the shape of an object.

Answer

A diagram that shows the motion of an object.

Answer

A diagram that shows the weight of an object.

Question 39

What is the purpose of designing a device that minimizes the force on an object during a collision?

Accepted Answer

To reduce the risk of injury to people involved in the collision

Answer

To cause more damage to the objects involved in the collision

Answer

To make the collision louder

Answer

To increase the speed of the collision

Question 40

What is the difference between a elastic and an inelastic collision?

Accepted Answer

In an inelastic collision, the objects stick together after the collision, while in an elastic collision, they bounce apart

Answer

In an elastic collision, the objects stick together after the collision, while in an inelastic collision, they bounce apart

Answer

There is no difference between elastic and inelastic collisions

Answer

An elastic collision only occurs between two objects of different masses

Question 41

What is the energy that an object possesses due to its motion called?

Accepted Answer

Kinetic energy

Answer

Sound energy

Answer

Potential energy

Answer

Thermal energy

Question 42

What is the role of engineering in designing devices that minimize force during a collision?

Accepted Answer

Engineers use their knowledge of science and math to design and evaluate devices that can reduce the force on an object during a collision

Answer

Engineers only focus on making collisions faster

Answer

Engineers only focus on making collisions more destructive

Answer

Engineers have no role in designing devices that minimize force during a collision

Question 43

What is the speed of a wave?

Accepted Answer

The distance the wave travels per unit time

Answer

The height of the wave from its resting position

Answer

The number of waves that pass a point in a given time

Answer

The time it takes for one wave to pass a point

Question 44

What happens to a wave when it reaches the boundary between two media?

Accepted Answer

It may reflect, refract, or be absorbed

Answer

It continues to travel through the media without any changes

Answer

It changes its amplitude

Answer

It changes its wavelength

Question 45

What is the frequency of a wave?

Accepted Answer

The number of waves that pass a point in a given time

Answer

The height of the wave from its resting position

Answer

The time it takes for one wave to pass a point

Answer

The distance between two crests of the wave

Question 46

What is the wavelength of a wave?

Accepted Answer

The distance between two consecutive points on the wave that are in phase

Answer

The time it takes for one wave to pass a point

Answer

The height of the wave from its resting position

Answer

The number of waves that pass a point in a given time

Question 47

What is the amplitude of a wave?

Accepted Answer

The height of the wave from its resting position

Answer

The number of waves that pass a point in a given time

Answer

The time it takes for one wave to pass a point

Answer

The distance between two crests of the wave

Question 48

What is an example of a longitudinal wave?

Accepted Answer

Sound waves

Answer

Light waves

Answer

Water waves

Answer

Electromagnetic waves

Question 49

What is an example of a transverse wave?

Accepted Answer

Light waves

Answer

Water waves

Answer

Electromagnetic waves

Answer

Sound waves

Question 50

What is the main difference between mechanical waves and electromagnetic waves?

Accepted Answer

Mechanical waves require a medium to travel through, while electromagnetic waves do not.

Answer

Mechanical waves can travel through a vacuum, while electromagnetic waves cannot.

Answer

Mechanical waves travel faster than electromagnetic waves.

Answer

Mechanical waves are transverse, while electromagnetic waves are longitudinal.

Question 51

Which wave can be diffracted?

Accepted Answer

Both mechanical and electromagnetic waves

Answer

Electromagnetic waves

Answer

Neither mechanical nor electromagnetic waves

Answer

Mechanical waves

Question 52

Which wave can be transmitted through a vacuum?

Accepted Answer

Electromagnetic waves

Answer

Mechanical waves

Answer

Neither mechanical nor electromagnetic waves

Answer

Both mechanical and electromagnetic waves

Question 53

What is the definition of speed of a wave?

Accepted Answer

The rate at which a wave travels through a medium

Answer

The distance between two successive peaks of a wave

Answer

The maximum displacement of a wave from its resting position

Answer

The time it takes for a wave to complete one cycle

Question 54

What is the definition of wavelength?

Accepted Answer

The distance between two successive peaks of a wave

Answer

The time it takes for a wave to complete one cycle

Answer

The number of waves that pass a given point in a certain amount of time

Answer

The maximum displacement of a wave from its resting position

Question 55

What is the definition of amplitude?

Accepted Answer

The maximum displacement of a wave from its resting position

Answer

The time it takes for a wave to complete one cycle

Answer

The number of waves that pass a given point in a certain amount of time

Answer

The distance between two successive peaks of a wave

Question 56

What is the definition of frequency?

Accepted Answer

The number of waves that pass a given point in a certain amount of time

Answer

The maximum distance a wave moves from its resting position

Answer

The time it takes for a wave to complete one cycle

Answer

The distance between two successive peaks of a wave

Question 57

What is Ohm’s Law?

Accepted Answer

Voltage equals current multiplied by resistance

Answer

Voltage equals current minus resistance

Answer

Voltage equals current divided by resistance

Answer

Voltage equals current plus resistance

Question 58

In a parallel circuit, the total current is equal to:

Accepted Answer

The sum of the individual currents

Answer

The product of the individual currents

Answer

The average of the individual currents

Answer

The difference of the individual currents

Question 59

What would happen to the current in a series circuit if the resistance of one of the components was increased?

Accepted Answer

The current would decrease

Answer

The voltage would decrease

Answer

The current would increase

Answer

The voltage would increase

Question 60

What would happen to the current in a parallel circuit if the resistance of one of the components was increased?

Accepted Answer

The current would decrease

Answer

The voltage would decrease

Answer

The voltage would increase

Answer

The current would increase

Question 61

What does Q represent in the equation Q=mCpΔ T?

Accepted Answer

Heat

Answer

Specific heat capacity

Answer

Temperature change

Answer

Mass

Question 62

What does m represent in the equation Q=mCpΔ T?

Accepted Answer

Mass

Answer

Temperature change

Answer

Specific heat capacity

Answer

Heat

Question 63

What does Cp represent in the equation Q=mCpΔ T?

Accepted Answer

Specific heat capacity

Answer

Heat

Answer

Mass

Answer

Temperature change

Question 64

What happens to the amount of heat transferred if the mass of the material being heated is increased?

Accepted Answer

Increases

Answer

Decreases

Answer

Remains the same

Answer

Cannot be determined

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