Science True/False and Multiple Choice Questions
Classified in Physics
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True/False
t: A strong acid is one that will completely ionize
f: When blue litmus paper is placed in a weak acid, it will turn a darker shade of blue
f: When pH paper provides a reading which says it has a pH of 9, the substance is considered a weak acid.
f: Alpha, Beta, and Gamma are all forms of nuclear radiation that contain either positive or negative charges.
t: Fission is the process where a large nucleus splits unto two smaller nuclei.
f: The most common isotope of carbon that is used for radioactive dating is carbon-13.
t: Static friction is friction that occurs when an object is not moving.
f: When an object is accelerating but it is not traveling in a straight line, it must be moving vertically.
t: Friction is force that always opposes the motion of an object.
f: When the mass of an object is doubled, the gravitational force is four times as great.
t: Projectile motion can be described as an object.
f: Rocket motion is an example of the application of Newton's third law of motion.
t: Simple machines can be classified into the lever family.
t: Gravitational potential energy can be calculated by knowing the mass of the object.
t: Stored chemical energy can be considered a type of non-mechanical potential energy.
t: A person's hand is good at sensing the direction of heat flow, it is not good at determining the temperature of the object.
t: When moisture evaporates from your skin, energy is required.
t: Radiation of heat can take place through empty space.
t: The equation v=fA is used to find the speed that a wave travels.
f: The period of a wave is defined as the number waves that pass a set point in 1 sec.
t: The Doppler effect is a result of constructive interference between two waves.
f: The law of reflection states that when a wave enters a different medium.
t: A diverging lens is used in glasses to correct vision when a person is near-sighted.
t: When light strikes a prism, light is refracted, undergoes dispersion.
f: When a fuse is put into a circuit, the purpose...
t: Parallel circuits allow for electricity to flow in multiple paths while series circuits allow for only one path.
t: Even though it is possible to have an object that is electrically charged positive.
t: An insulator is a substance that has a very high resistance to the movement of charges.
Short Answer
d: The label on a bottle indicates the substance inside has a pH of 13.
d: When a solution of an acid reacts with a solution of a base, hydronium ions react with hydroxide ions to form.
a: When a solution of an acid reacts with a solution of a base, the pH
a: Alpha particles
b: In radioactive decay, with each successive half-life, half the remaining sample decays to form another.
d: To treat certain brain tumors, doctors can use small beams.
b: The distance traveled by an object divided by the time it takes to travel that distance is called.
c: Acceleration is defined as the change in velocity divided by.
b: If the net force action on a stationary object is zero, then the object will.
d: Whenever an object is standing still, the value that is/are.
c: Weight is best described as.
a: The SI unit of force, named for the scientist who described the relationship.
c: Which of the following processes requires the most work?
b: What is the mechanical advantage of a ramp that is 10 m and 2 m high.
d: A machine is a device that
a: The transfer of energy by the movement of fluids.
b: Which of the following statements is true?
b: A combustion engine uses what kind of energy to do work?
a: Light waves
b: Sound waves
b: The wavelength of the wave in the diagram is.
c: The amplitude of the wave in the diagram is.
Formulas
Kinetic energy: 1/2mv2
Power: work over time
Work: f x d
Hydronium ions: H3O+ Hydroxide: OH-