THE FINAL SCIENCE PACE OF ALL TIME (Q&B) Flashcards

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1
Q

The four most common types of stresses

A

stretching
bending
compressing
twisting

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2
Q

the two necessary ingredients of work

A

force

distance

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3
Q

The six simple machines

A
wheel and axle 
lever
pulley
wedge
inclined plane
screw
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4
Q

The three methods of heat transfer

A

conduction
convection
radiation

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5
Q

How an airplane flies

A

Air travels over the wings at high velocity, creating a region of low pressure. The region of high pressure beneath the wings moves toward the region of low pressure, lifting the plane

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6
Q

The three basic assumptions of the kinetic theory of gases

A

gas molecules are widely separated
gas molecules move rapidly and freely in all directions
gas molecules frequently undergo elastic collisions with one another and the walls of their container

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7
Q

When light strikes a surface, it may be _________

A

reflected, absorbed, or transmitted

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8
Q

The three different spectra used by physicists

A

absorption, continuous, and emission

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9
Q

The energy of electrons emitted by the photoelectric effect is determined by

A

the color of light

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10
Q

The number of electrons emitted by the photoelectric effect is determined by

A

the brightness of light

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11
Q

The photoelectric effect (not in checkup but whatever)

A

the emission of electrons by light falling upon the surface of certain metals

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12
Q

the three laws of static electricity

A

charged bodies attract uncharged bodies
like charges repel
unlike charges attract

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13
Q

three ways an object can acquire a static charge

A

friction
induction
direct contact

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14
Q

two basic types of current electricity

A

direct current

alternating current

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15
Q

Voltage of a series battery cell

A

total of all individual cells

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16
Q

Voltage of an alternating battery cell

A

voltage of an individual cell

17
Q

Resistance of a series battery cell

A

Increases with number of cells

18
Q

Resistance of an alternating battery cell

A

less than that of any single cell in the circuit

19
Q

A __________ is a semiconductor that amplifies alternating current

A

transistor

20
Q

The three laws of magnetism

A

a nonmagnetic ferromagnetic metal is attracted by either pole of a magnet
like magnetic poles repel one another
unlike magnetic poles attract one another

21
Q

Three ways in which magnetism can be affected by outside influences

A

heat
interaction with another magnetic field
mechanical action

22
Q

Magnetic field of a solenoid is directly proportional to

A

turns of wire

current passing through

23
Q

Magnetic field of a solenoid is inversely proportional to

A

the length of the solenoid

24
Q

Three types of nuclear reactions

A

fission
fusion
radioactive decay

25
Q

Three most common radioactive emissions

A

beta particles
alpha particles
gamma rays

26
Q

The law of conservation of mass and the law of the conservation of energy are two fundamental laws of _______-

A

classical physics