A fact or situation that is observed to exist or happen, especially one whose cause or explanation is in question.

The branch of science and technology concerned with the design, building, and use of engines, machines, and structures.

A system that can exchange both matter and energy with its surrounding environment.

Closed physical system

A system that does not exchange any matter with its surroundings.

A three-dimensional representation of a person or thing or of a proposed structure, typically on a smaller scale than the original.

The rate at which an object changes position.

The rate at which an object changes position when traveling in a certain direction, expressed as a rate: the distance an object traveled from one position to the next divided by the time it took to travel the distance.

Rate of change in velocity, which is the change in velocity divided by the change in time.

A push or pull; any quantity that produces, or is capable of producing, motion.

Electromagnetic force

Attractive or repulsive force acting between charged particles.

Properties and interactions of objects with electric and magnetic fields.

Force of resistance acting between objects in contact and tending to dampen their motion.

Force of attraction between all masses in the universe.

An object's resistance to a change in motion.

Acceleration in the opposite direction as the velocity of the object; results in speed decreasing.

An object's resistance to its motion changing, expressed as the object's mass times the object's velocity.

The unit of force in the metric system; it is a unit derived from mass and acceleration (speed over time in a direction).

The amount of matter an object is made up of and the measure of the amount of inertia the object has, measured in grams.

A measure of the force of gravity on an object, expressed as mass of the object times acceleration due to gravity.

The center-seeking gravitational effect that causes an object to travel in a circle.

A numerical quantity, expressed by standard unit/s of measurement.

Refers to the application of more than one force on an object and, therefore, the combined effect (sum of forces) on its motion.

A number (rate) with a direction; a quantity that has both magnitude and direction, expressed as a rate.

Stored, or available, energy; also, the energy of position.

The state reached when a higher-temperature object in contact with a lower-temperature object transfers its heat to the lower-temperature object until the two objects approach the same temperature.

Amount of energy transferred to or from an object as a result of forces acting upon the object, causing displacement of the object.

Law of Conservation of Energy

Energy is not lost, it is transformed from one form to another.

Elastic Potential Energy

Potential energy an object possesses due to its elasticity; elasticity is an object's tendency to return to its original shape after it has been compressed or stretched.

A form of energy transferred by way of conduction, convection, or radiation by virtue of a difference in temperature; heat is energy in transit.

Theory in physics based on the fact that particles of matter are in vigorous motion and that the temperature of a substance increases with an increase in either the average kinetic energy of the particles or the average potential energy of separation of the particles, or in both, when heat is added.

The amount of heat needed to raise the temperature of a substance 1°C; the greater the specific heat, the greater the heat it takes to raise a substance's temperature; also specific heat capacity.

A measure of how hot or cold something is; a measure of the average kinetic energy of the particles of a substance.

In physics, the study of the nature of heat and its conversion or relationship to other energy forms.

The transfer of heat through matter by way of the collision of molecules.

The process in which heat energy is transferred through the movement of matter.

Electromagnetic radiation

Waves of energy associated with electric and magnetic fields; results from the acceleration of an electric charge.

The process in which energy is emitted by one body, transmitted through an intervening medium or space, and absorbed by another body.

The state reached when a higher-temperature object in contact with a lower-temperature object transfers its heat to the lower-temperature object until the two objects approach the same temperature.

For mechanical waves, waves in which the movement in the medium is parallel to the direction the wave is traveling.

Substance that is the means of transmission of a force or effect; in the case of waves, air, water, other gases, and solid earth are all mediums through which different types of waves can travel.

A wave that travels on the surface of a medium in both transverse and longitudinal motions, resulting in circular movement of the particles of medium through which the wave is traveling.

Physical Science Flashcards Flashcards

Student preview

95 questions

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1.

FLASHCARD QUESTION

Front

Physical Science

Back

The sciences concerned with the study of inanimate natural objects, including physics, chemistry, astronomy, and related subjects.

2.

FLASHCARD QUESTION

Front

Matter

Back

Physical substance in general, as distinct from mind and spirit; in physics, it occupies space and possesses rest mass, especially as distinct from energy.

3.

FLASHCARD QUESTION

Front

Energy

Back

The ability to do work.

4.

FLASHCARD QUESTION

Front

Observations

Back

The action or process of observing something or someone carefully or in order to gain information.

5.

FLASHCARD QUESTION

Front

Hypothesis

Back

A testable statement.

6.

FLASHCARD QUESTION

Front

Theory

Back

A statement of ideas intended to explain something; based on general principles of the thing to be explained.

7.

FLASHCARD QUESTION

Front

Law

Back

A statement that describes a natural phenomenon that appears to always be true under certain conditions.

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