•    Question 1


A transverse wave causes particles of a material to move

•    Question 2


The kilowatt-hour is a unit of

•    Question 3
1 out of 1 points


If an experiment gives the same results repeatedly, scientists describe the results as

•    Question 4
1 out of 1 points


A tentative explanation for a natural phenomenon is known as a scientific

•    Question 5


Which statement below is a true description of the relationship between fundamental and standard units?

•    Question 6


An efficient transfer of energy that takes place at a natural frequency is known as

•    Question 7


Most all energy comes to and leaves the earth in the form of

•    Question 8

Which question below could potentially be answered by science?

•    Question 9


A Nm/s is a unit of

•    Question 10


Which statement below describes a relationship between mass or volume and density?

•    Question 11


Ignoring air resistance, an object falling toward the surface of the earth has a velocity that is

•    Question 12


The two temperature scales with the same interval size are the

•    Question 13


The time required for one cycle of any repeating event is called one

•    Question 14


Power is

•    Question 15


Which of the following is NOT a physical property that a scientist might use to describe gold?

•    Question 16


Both constructive and destructive interference is necessary to produce the sound phenomena known as

•    Question 17


The first requirement in the measurement process is to

•    Question 18


If you increase the energy that goes into starting a vibration, you will increase the

•    Question 36


The extent of displacement of a vibrating tuning fork is related to the resulting sound wave characteristic of

•    Question 37


The metric unit of a joule (J) is a unit of

•    Question 38


A fundamental property cannot be measured

•    Question 39

Which of the following is not a standard unit?

•    Question 40


Doubling the distance between an orbiting satellite and the earth will result in what change in the gravitational attraction between the two?

•    Question 41


The transfer of energy from molecule to molecule is called

•    Question 42


The potential energy of a box on a shelf, relative to the floor, is a measure of

•    Question 43


With all other factors equal, if you double the unbalanced force on an object of a given mass the acceleration will be

•    Question 44

If a ball swinging in a circle on a string is moved twice as fast the force on the string will be

•    Question 45

To communicate and duplicate measurements, scientists must use

•    Question 46


The law of conservation of energy is a statement that

•    Question 47


The silvered wall of a vacuum bottle takes care of heat flow by

•    Question 48


No water vapor is added to or removed from a sample of air that is cooling, so the relative humidity of this sample of air will

•    Question 49


Which property listed below is not a fundamental property?

•    Question 50


As a solid goes through a phase change to a liquid, heat is absorbed and the temperature

•    Question 51


Which of the following is an important feature of ratios? The use of ratios

•    Question 19


A heavy object and a light object are dropped from rest at the same time in a vacuum. The heavier object will reach the ground

•    Question 20


The metric system uses prefixes to represent larger or smaller amounts based on the number

•    Question 21


Anytime a temperature difference occurs, you can expect

•    Question 22


Energy is

•    Question 23


Ignoring air resistance, an object falling toward the surface of the earth has an acceleration that is

•    Question 24


Pseudoscience refers to

•    Question 25


A ball rolling across the floor slows to a stop because

•    Question 26

What is the density of a 61.8 g cube that is 2.3 cm wide, 4.0 cm tall, and 3.2 cm long?

•    Question 27


Which quantity has the greatest influence on the amount of kinetic energy that a large truck has while moving down the highway?

•    Question 28


A broad working hypothesis based on extensive experimental evidence that forms the framework of scientific thought is termed a scientific

•    Question 29


The vacuum in the doubled-walled vacuum bottle takes care of heat flow by

•    Question 30


With all other factors equal, if you double the mass of an object while a constant unbalanced force is applied, the acceleration will be

•    Question 31


You hear a higher pitch when a sound wave has a greater

•    Question 32


A longitudinal wave causes particles of a material to move

•    Question 33


Measurements in science are communicated by using

•    Question 34


Sound waves travel faster in

•    Question 35


A large and a small container of water with the same temperature have