Energy
What is the energy associated with the position of an object and the forces acting on it?
Potential energy
What type of heat transfer is the process by which heat flows through materials by direct contact?
A. Conduction
B. Convection
C. Radiation
A. Conduction
Which law of thermodynamics states that energy gained by a system is equal to the energy lost by its surroundings?
A. First Law of Thermodynamics
B. Second Law of Thermodynamics
A. First Law of Thermodynamics
In which type of wave do particles of the medium oscillate in the direction of the motion?
A. Transverse waves
B. Longitudinal waves
B. Longitudinal waves
What is the term for the spreading out of a wave after it passes through a narrow opening?
diffraction
What is the energy of motion?
Kinetic energy
What type of heat transfer occurs when a fan is blowing air in a room?
A. Conduction
B. Convection
C. Radiation
B. Convection
What is the heat required to change a mass of solid into a liquid?
A. heat of vaporization B. heat of fusion
C. boiling point elevation D. freezing point depression
B. heat of fusion
What is the number of waves that pass a given point per unit time?
A. intensity B. frequency
C. interval D. pitch
B. frequency
What is the process of dissipating the energy of a sound wave in matter; such as using padded wall panels to minimize reflections of sound waves?
A. absorption B. acoustics
C. echo ranging D. reverberation
A. absorption
Which of the fundamental forces is the weakest of the four?
A. Gravitational B. Weak Nuclear C. Electromagnetic D. Strong Nuclear
A. Gravitational
What type of heat transfer occurs there is a transfer of energy without matter?
A. Conduction
B. Convection
C. Radiation
C. Radiation
What is the process of changing a gas into a liquid?
A. condensation B. evaporation
C. boiling D. melting
A. condensation
What is the strength of a sound wave?
A. intensity B. frequency
C. interval D. pitch
A. intensity
What is the term for the bending of a wave as a result of a change in wave speed?
refraction
Which of the fundamental forces is the strongest of the four?
A. Gravitational B. Weak Nuclear C. Electromagnetic D. Strong Nuclear
D. Strong Nuclear
What is the device designed to measure the heat involved in physical and chemical changes?
A. calorimeter B. thermometer
C. thermostat D. bimetallic strip
A. calorimeter
What happens to the freezing point of a liquid when a solute is added; such as antifreeze used in cars to keep the engine from freezing in the winter?
It decreases or goes down
What is the musical distance between two notes?
A. intensity B. frequency
C. interval D. pitch
C. interval
Calculate the frequency of a wave if in 5.0s, 555 waves pass through a certain point.
f = N/t
111 Hz
Which of the fundamental forces is responsible for elastic potential energy?
A. Gravitational B. Weak Nuclear C. Electromagnetic D. Strong Nuclear
C. Electromagnetic
What is the amount of heat needed to change an object's temperature by a certain amount?
A. thermal equilibrium B. specific heat
C. heat capacity D. latent heat
C. heat capacity
What is the term used to measure the amount of disorder in a system?
entropy
What is the effect of frequency on the way the human ear perceives sound?
A. intensity B. frequency
C. interval D. pitch
D. pitch
What is the change in frequency of sound caused by an object's motion; such as an ambulance driving by with it's siren on?
Doppler effect