The classification of stars according to their temperatures; sun is G

A small, hot, dim star that is the leftover center of an old star

A measure of how hot or cold something is, associated with the color of a star and plotted on the X-axis of an HR diagram

Measure of the size of the disturbance of a wave; height on the y-axis

Electromagnetic spectrum (EM)

The range of all types of electromagnetic radiation, including the wavelengths or frequencies of visible and invisible forms of energy, including radio, microwaves, infrared, visible, ultraviolet, X-rays, and gamma

The number of times a wave passes a certain point in a given amount of time

The linear distance between identical points on successive waves

A wave that moves the medium in a direction perpendicular to the direction in which the wave travels

Equal and opposite forces on an object that result in no change in position, direction, or motion; combined net force equals zero

The tendency of an object to resist change in motion unless acted upon by an outside net force

When an object that has a constant mass is acted upon by a force, the object will accelerate in the same direction as the force applied

For every action, there is an equal and opposite reaction

Unequal forces acting on an object that may result in a change in position, direction, or motion; combined net force does not equal zero

A force that acts in the opposite direction to movement

A force that pulls objects toward each other

The tendency of objects to resist a change in their state of rest or of uniform motion

A representation of a chemical reaction using chemical symbols, numbers, and a symbol

Law of conservation of mass

Matter is not created or destroyed, only rearranged

A change in matter that produces a new substance

A number in front of a chemical formula in an equation that indicates how many molecules

A pure substance made by chemically combining two or more elements; represented by a chemical formula

A pure substance composed of the same type of atom throughout

Change which alters the physical properties of a substance without changing its identity

A number written below and to the right of a chemical symbol that shows how many atoms of an element are in a compound

A mixture in which substances are evenly distributed throughout the mixture, uniform

Heterogeneous mixture

A mixture in which the composition is not uniform throughout

Attraction between molecules of the same substance

An attraction between molecules of different substances

The force that acts on the surface of a liquid, the cohesive property of water that causes it to resist external force

Any compound that forms H+ ions in solution, sour taste, red litmus paper, corrosive to metals, stings on skin, pH 1-6

A compound that produces hydroxide ions in solution, bitter taste, blue litmus paper, slippery when touched, pH 8-14

Continental Drift Theory

The theory proposed by Alfred Wegener that the continents have not always been in their present locations but have moved there over millions of years.

Plate Tectonic Theory

Theory that Earth's lithosphere is divided into tectonic plates that move slowly on top of the asthenosphere driven by convection currents.

The name of the single landmass that broke apart 200 million years ago and gave rise to today's continents.

A plate boundary where two plates move toward each other.

A plate boundary where two plates move away from each other.

The region where oceanic plates sink down into the asthenosphere.

A plate boundary where two plates move past each other in opposite directions.

Process by which, in a fluid being heated, the warmer part of the mass will rise and the cooler portions will sink; this is the motion that moves the plates.

The top rock layer and its fossils is the youngest and the bottom is the oldest.

Areas of volcanic activities that result from plumes of hot solid material that have risen from deep inside Earth's mantle.

Fall 24 Final Exam Terms Flashcards

Student preview

50 questions

Show all answers

1.

FLASHCARD QUESTION

Front

galaxy

Back

A system of stars and associated matter held together by gravitational attraction

2.

FLASHCARD QUESTION

Front

Hertzsprung-Russell diagram

Back

A diagram that shows the relationship between the brightness, surface temperature, and color of stars

3.

FLASHCARD QUESTION

Front

luminosity

Back

Total amount of light (energy) emitted by a star or other celestial body

4.

FLASHCARD QUESTION

Front

star

Back

Luminous globe of gas which produces its own heat and light by nuclear reaction made of mostly hydrogen and helium gas

5.

FLASHCARD QUESTION

Front

neutron star

Back

The small, dense remains of a high-mass star after a supernova

6.

FLASHCARD QUESTION

Front

protostar

Back

A contracting cloud of gas and dust with enough mass to form a star

7.

FLASHCARD QUESTION

Front

giant

Back

A very large star of high luminosity and low surface temperature

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