Physics T/F

Physics is the study of the natural world.

TRUE

The purpose of physics is to use concepts and equations to describe many different phenomena.

TRUE

Physics is the most basic of the sciences.

TRUE

Chemistry is the most basic of the sciences.

FALSE

Biology is the most basic of the sciences.

FALSE

Mathematics deals with number patterns.

TRUE

Chemistry can be considered to be applied physics.

TRUE

Physics uses math principles that have been found to apply to the physical universe.

TRUE

Mechanics deals with forces acting on everyday objects, and also the motion of those objects.

TRUE

Optics investigates topics such as accurately predicting the decay rate of radioactive nuclei.

FALSE

Optics involves the study of topics such as light, mirrors, and lenses.

TRUE

Electromagnetism involves the study of topics such as light, mirrors, and lenses.

FALSE

Mechanics involves the study of topics such as light, mirrors, and lenses.

FALSE

Relativity involves the study of topics such as light, mirrors, and lenses.

FALSE

Optics involves the study of heat, light, mirrors, and lenses.

FALSE

Electromagnetism involves the closely related phenomena of electricity and magnetism.

TRUE

Relativity explores properties of space and time that defy our everyday common sense.

TRUE

Optics explores properties of space and time that defy our everyday common sense.

FALSE

Quantum mechanics investigates topics such as accurately predicting the decay rate of radioactive nuclei.

TRUE

Relativity investigates topics such as accurately predicting the decay rate of radioactive nuclei.

FALSE

Thermodynamics deals with heat, work, and order versus disorder.

TRUE

Quantum mechanics deals with heat, work, and order versus disorder.

FALSE

Science investigates the observable universe, while religion deals with cosmic purpose.

TRUE

Religion investigates the observable universe, while science deals with cosmic purpose.

FALSE

Science studies cause and effect, and it demands observable evidence.

TRUE

Religion studies cause and effect, and it demands observable evidence.

FALSE

Pure science deals with the search for new knowledge.

TRUE

Applied science deals with the search for new knowledge.

FALSE

Applied science deals with using knowledge in a practical manner to do useful work in the world.

TRUE

Pure science deals with using knowledge in a practical manner to do useful work in the world.

FALSE

A scientific law attempts to explain why or how something happens.

FALSE

A scientific law merely states what happens.

TRUE

A scientific theory merely states what happens.

FALSE

A scientific theory attempts to explain why or how something happens.

TRUE

Theories can be revised or discarded completely if found to be inaccurate.

TRUE

Theories remain unchanged over the centuries.

FALSE

Theories cannot be revised.

FALSE

Religion and science have similar approaches to studying the world.

FALSE

Religion and science have different approaches to studying the world.

TRUE

Galileo and Sir Francis Bacon are credited with the discovery of the scientific method.

TRUE

The scientific method involves only qualitative data, and not quantitative data.

FALSE

The scientific method involves only quantitative data, and not qualitative data.

FALSE

The scientific method should involve both qualitative and quantitative data.

TRUE

Quantitative data allow us to use mathematics to gain a better understanding of phenomena.

TRUE

Qualitative data allow us to use mathematics to gain a better understanding of phenomena.

FALSE

In the scientific method, a hypothesis is an untestable answer or explanation.

FALSE

In the scientific method, a hypothesis is a testable guess or explanation.

TRUE

A scientific hypothesis merely states what happens.

FALSE

Controlled experiments involve the experimental and control groups having two or more variables that are different.

FALSE

Controlled experiments involve the experimental and control groups having only one variable that is different.

TRUE

Controlled experiments involve the experimental and control groups having multiple variables that are exactly the same as each other.

FALSE

Drawing valid conclusions is the final step in the scientific method.

TRUE

Drawing valid conclusions is the first step in the scientific method.

FALSE

The system refers to everything that we AREN'T studying.

FALSE

The surroundings refers to everything that we AREN'T studying.

TRUE

The system refers to what is being studied.

TRUE

The surroundings refers to what is being studied.

FALSE

Models are not necessary to help us simplify and understand complex phenomena in science.

FALSE

Models are necessary to help us simplify and understand complex phenomena in science.

TRUE

In measurements, the dimension gives the quantity and the unit gives the scale.

TRUE

In measurements, the unit gives the quantity and the dimension gives the scale.

FALSE

The base unit of time in the SI system is the hour.

FALSE

The base unit of time in the SI system is the second.

TRUE

The base unit of time in the SI system is the minute.

FALSE

The base unit of length/distance in the SI system is the meter.

TRUE

The base unit of length/distance in the SI system is the centimeter.

FALSE

The base unit of length/distance in the SI system is the millimeter.

FALSE

The base unit of length/distance in the SI system is the kilometer.

FALSE

The base unit of mass in the SI system is the gram.

FALSE

The base unit of mass in the SI system is the kilogram.

TRUE

The base unit of mass in the SI system is the milligram.

FALSE

Density is a derived quantity resulting from dividing mass by time.

FALSE

Density is a derived quantity resulting from dividing mass by volume.

TRUE

Density is a derived quantity resulting from dividing volume by mass.

FALSE

Derived units are formed by adding or subtracting base units.

FALSE

Derived units are formed by multiplying or dividing base units.

TRUE

Area might have the unit meters squared.

TRUE

Area might have the unit meters cubed.

FALSE

Volume might have the unit cubic meters.

TRUE

Volume might have the unit square meters.

FALSE

Force is an example of a derived quantity in physics.

TRUE

Energy is an example of a derived quantity in physics.

TRUE

Momentum is an example of a derived quantity in physics.

TRUE

Area is an example of a derived quantity in physics.

TRUE

Volume is an example of a derived quantity in physics.

TRUE

Precision refers to the degree of fineness of a measurement.

TRUE

Accuracy refers to the degree of fineness of a measurement.

FALSE

Precision and accuracy are interchangeable terms; they mean exactly the same thing.

FALSE

Precision and accuracy mean different things.

TRUE

A measurement of 10.00 m is less precise than a measurement of 10 m.

FALSE

A measurement of 10.00 m is more precise than a measurement of 10 m.

TRUE

A measurement of 10.00 m is less precise than a measurement of 10.0 m.

FALSE

A measurement of 10.00 m is more precise than a measurement of 10.0 m.

TRUE

A measurement of 10.00 m is less precise than a measurement of 10.000 m.

TRUE

A measurement of 10.00 m is more precise than a measurement of 10.000 m.

FALSE

Precise measurements are those that yield similar results each time.

TRUE

Multiple measurements are precise if they yield similar results each time.

TRUE

Multiple measurements are accurate if they yield similar results each time.

FALSE

Accurate measurements are defined as those that yield similar results each time.

FALSE

Human error arises from improper calibration of measuring instruments.

FALSE