Quiz about Test 3

Question 1

What is a conclusion based on reasoning from evidence?

Accepted Answer

inference

Answer

hypothesis

Answer

criteria

Answer

affirming the antecedent

Question 2

What is the ability of a scientist to obtain consistent results from an experiment?

Accepted Answer

repeatability

Answer

reproducibility

Question 3

What are factors that are the same in all experimental groups?

Accepted Answer

controlled variable

Answer

independent variable

Answer

criteria

Answer

constraints

Question 4

What are the minimum characteristics that a design must have to function?

Accepted Answer

criteria

Answer

constraints

Answer

controlled variable

Answer

independent variable

Question 5

Which form of inference supposes that when the consequent is false the antecedent must be false?

Accepted Answer

denying the consequent

Answer

affirming the consequent

Answer

inference

Answer

independent variable

Question 6

What is a tentative explanation to describe a process?

Accepted Answer

hypothesis

Answer

inference

Answer

criteria

Answer

constraints

Question 7

What is the factor that is changed to test the hypothesis?

Accepted Answer

independent variable

Answer

controlled variables

Answer

criteria

Answer

constraints

Question 8

Which form of inference supposes that when the antecedent is true the consequent must also be true?

Accepted Answer

affirming the antecedent

Answer

denying the consequence

Answer

reproducibility

Answer

repeatability

Question 9

What are any additional characteristics required to solve the problem?

Accepted Answer

constraints

Answer

criteria

Answer

controlled variables

Answer

independent variable

Question 10

What is the amount of matter in an object?

Accepted Answer

mass

Answer

criteria

Answer

inference

Answer

hypothesis

Question 11

What is the ability of other scientists to reach the same conclusion by performing the same experiment under different conditions?

Accepted Answer

REPRODUCIBILITY

Answer

REPEATABILITY

Answer

criteria

Answer

hypothesis

Question 12

What system of measurement was invented by French scientists and uses prefixes?

Accepted Answer

metric system

Answer

SI system

Answer

FPS system

Question 13

What is the SI unit of mass?

Accepted Answer

kilogram

Answer

watt

Answer

liter

Answer

second

Question 14

What refers to how closely several measurements match each other?

Accepted Answer

precision

Answer

accuracy

Question 15

What system of measurement is commonly used in the US?

Accepted Answer

FPS system

Answer

metric system

Answer

SI system

Question 16

What is the SI unit of time?

Accepted Answer

second

Answer

hour

Answer

minute

Answer

kilogram

Question 17

What is the amount of space matter takes up?

Accepted Answer

volume

Answer

mass

Answer

meter

Answer

metric

Question 18

What is the SI unit of length?

Accepted Answer

meter

Answer

centimeter

Answer

second

Answer

mass

Question 19

What is the SI unit of volume?

Accepted Answer

liter

Answer

kilogram

Answer

second

Answer

watt

Question 20

What is the amount of matter in a certain volume?

Accepted Answer

density

Answer

mass

Answer

accuracy

Answer

meter

Question 21

What is the gravitational force exerted on an object?

Accepted Answer

weight

Answer

displacement

Answer

speed

Answer

acceleration

Question 22

Who discovered the laws of motion?

Accepted Answer

Sir Newton

Answer

Einstein

Answer

Pascal

Answer

Archimedes

Question 23

What is the distance traveled by an object per unit time?

Accepted Answer

speed

Answer

displacement

Answer

weight

Answer

acceleration

Question 24

Which law states that for every action, there is an equal and opposite reaction?

Accepted Answer

3rd law of motion

Answer

2nd law of motion

Answer

1st law of motion

Question 25

What is the force that causes an object to travel in a curved path rather than a straight line?

Accepted Answer

centripetal force

Answer

displacement

Answer

acceleration

Answer

terminal velocity

Question 26

Which law states that the velocity of an object does not change unless the object is acted upon by an external force?

Accepted Answer

1st law of motion

Answer

2nd law of motion

Answer

3rd law of motion

Question 27

What is any change in velocity?

Accepted Answer

acceleration

Answer

displacement

Answer

speed

Answer

weight

Question 28

What class of lever has input and output forces on opposite sides of the fulcrum? Give an example of this class of lever.

Accepted Answer

class 1, see saw

Answer

class 2, wheelbarrow

Answer

class 3, tongs

Question 29

What is the SI unit of work?

Accepted Answer

joule

Answer

watt

Answer

Newton

Answer

efficiency

Question 30

Which simple machine is an inclined plane wrapped around a rod?

Accepted Answer

screw

Answer

pulley

Answer

wedge

Answer

lever

Question 31

What is the transfer of energy from one object to another by a force?

Accepted Answer

work

Answer

power

Answer

momentum

Answer

efficiency

Question 32

What is the ratio of input distance to output distance?

Accepted Answer

IMA

Answer

AMA

Answer

work

Answer

efficiency

Question 33

What is the ratio of work output to work input?

Accepted Answer

efficiency

Answer

IMA

Answer

AMA

Answer

work

Question 34

What is the rate of doing work?

Accepted Answer

power

Answer

IMA

Answer

AMA

Answer

efficiency

Question 35

What class of lever has the input force applied between the output and the fulcrum? Give an example of this class of lever.

Accepted Answer

class 3, tongs

Answer

class 2, wheelbarrow

Answer

class 1, see saw

Question 36

What is the SI unit of power?

Accepted Answer

watt

Answer

joule

Answer

Newton

Answer

pascal

Question 37

Which simple machine modifies the applied force and directs it to the side?

Accepted Answer

wedge

Answer

screw

Answer

pulley

Answer

lever

Question 38

What is the multiplication of input force that a machine provides?

Accepted Answer

AMA

Answer

IMA

Answer

efficiency

Answer

power

Question 39

Which simple machine consists of a wheel over which a rope passes?

Accepted Answer

pulley

Answer

screw

Answer

wedge

Answer

lever

Question 40

Which class of lever has the output force between the input and the fulcrum? Give an example of this class of lever.

Accepted Answer

class 2, wheelbarrow

Answer

class 1, see saw

Answer

class 3, tongs

Question 41

What is the ability of gas to be compacted?

Accepted Answer

compressibility

Answer

density

Answer

capillarity

Answer

cohesion

Question 42

In which state of matter are the molecules practically unaffected by cohesion?

Accepted Answer

gas

Answer

liquid

Answer

solid

Answer

plasma

Question 43

What is the attraction of molecules to other molecules of the same substance?

Accepted Answer

cohesion

Answer

adhesion

Question 44

What are the two factors that affect gravitational pressure?

Accepted Answer

depth

Answer

fluid density

Question 45

What is the tendency of a liquid to pull molecules near the surface back into the liquid?

Accepted Answer

surface tension

Answer

depth

Answer

pressure

Answer

compressibility

Question 46

In which state of matter are the molecules held together in a fixed position?

Accepted Answer

solid

Answer

liquid

Answer

gas

Answer

plasma

Question 47

What is the phenomenon in which liquids in thin tubes rise above or fall beneath their own levels?

Accepted Answer

capillarity

Answer

compressibility

Answer

cohesion

Answer

pressure

Question 48

What is the force exerted per unit of area?

Accepted Answer

pressure

Answer

surface tension

Answer

capillarity

Answer

cohesion

Question 49

What is the attraction of molecules to other substances?

Accepted Answer

adhesion

Answer

cohesion

Answer

surface tension

Answer

pressure

Question 50

In which state of matter are the molecules able to move freely but remain attracted to each other?

Accepted Answer

liquid

Answer

gas

Answer

solid

Answer

plasma

Question 51

What is the SI unit of pressure?

Accepted Answer

pascal

Answer

watt

Answer

joule

Answer

Newton

Question 52

What is the upward force exerted by a fluid on a solid object?

Accepted Answer

buoyancy

Answer

lift

Answer

weight

Answer

gravity

Question 53

What is an airtight metal box with thin, flexible walls to measure pressure?

Accepted Answer

aneroid barometer

Answer

barometer

Answer

altimeter

Answer

submarine

Question 54

What is the force on an object generated by relative motion between the object and a fluid and perpendicular to the direction of fluid flow?

Accepted Answer

lift

Answer

drag

Answer

weight

Answer

friction

Question 55

What is the principle that the buoyant force experienced by an object is exactly equal to the weight of the fluid displaced?

Accepted Answer

Archimedes' principle

Answer

Pascal's principle

Answer

Magnus effect

Answer

Bernoulli effect

Question 56

What is the fluid friction that tends to slow an object as it moves through a fluid?

Accepted Answer

drag

Answer

lift

Answer

weight

Answer

gravity

Question 57

What is a vessel that can float on top of the water or maneuver beneath the surface by changing its buoyancy?

Accepted Answer

submarine

Answer

foil

Answer

lift

Answer

Magnus effect

Question 58

What is the phenomenon of a spinning cylinder or ball causing lift?

Accepted Answer

Magnus effect

Answer

Bernoulli effect

Answer

Pascal's principle

Answer

Archimedes' principle

Question 59

What is the science of shaping objects to allow the smooth flow of fluids around them and reduce drag?

Accepted Answer

stream-lining

Answer

drag-reducing

Answer

buoyancy

Answer

angle of attack

Question 60

What is a device used to measure air pressure?

Accepted Answer

barometer

Answer

altimeter

Answer

foil

Answer

Magnus effect

Question 61

What is a structure designed to produce lift as it moves through fluid?

Accepted Answer

foil

Answer

submarine

Answer

barometer

Answer

altimeter

Question 62

What is the angle of the foil relative to fluid flow?

Accepted Answer

angle of attack

Answer

streamlining

Answer

altimeter

Answer

buoyancy

Question 63

What is a device used to measure altitude?

Accepted Answer

altimeter

Answer

barometer

Answer

aneroid barometer

Answer

submarine

Question 64

What is the principle that if pressure is applied to a fluid inside a closed container, the pressure increase will be distributed equally through the container?

Accepted Answer

Pascal's principle

Answer

Magnus effect

Answer

Bernoulli effect

Answer

Archimedes' principle

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