Machines and Energy

Machines and Energy | Quizalize

145 questions

Any device that changes the amount of force you have to use to get something done

30 sec

wedge, lever, pulley, incline plane, wheel/axle, screw

30 sec

A wheel with teeth along its edge

30 sec

A bar that goes up and down over a point

30 sec

A simple machine that lets you pull down a rope, chain, or wire to lift something

30 sec

A lever that has the fulcrum between the load and the effort

30 sec

A flat surface whose ends are at different heights

30 sec

A rigid bar that's inserted through a hole in a wheel

30 sec

A belt that turns more than one wheel

30 sec

A combination of different simple machines working together

30 sec

A lever that has the load between the fulcrum and the effort

30 sec

The point that a lever goes over

30 sec

A pulley system that uses one wheel

30 sec

A lever that has the effort between the fulcrum and the load

30 sec

A machine consisting of one or more pulleys and a wide flat belt

30 sec

An inclined plane wrapped around a cylinder or cone

30 sec

A simple machine used to push things apart

30 sec

a flat surface

30 sec

a pulley system with two wheels that are connected

30 sec

a group of two or more gears that are meshed together; transmission

30 sec

first wheel in a gear train

30 sec

last wheel in a gear train

30 sec

third wheel in a gear train; found between the driver and the follower

30 sec

Heat transfer through direct contact

30 sec

Heat transfer through fluids (liquids or gases) moving

30 sec

Heat transfer through heat waves

30 sec

The circular flow of a fluid

30 sec

Something that passes heat well

30 sec

Something that DOES NOT transfer heat well

30 sec

Solid > Liquid

30 sec

https://farm1.staticflickr.com/20/71922825_32c10588c2_m.jpg

30 sec

Liquid > Solid

30 sec

Liquid > Gas

30 sec

Gas > Liquid

30 sec

Solid > Gas

30 sec

Gas > Solid

30 sec

Amount of energy needed to raise temperature

30 sec

Transfer of thermal energy from HOT TO COLD substance

30 sec

Kinetic energy, how fast particles are moving

30 sec

Burning of fossil fuels

30 sec

Used nearly everywhere. 0 C freezing, 100 C boiling

30 sec

Used in science, 273 more than Celsius

30 sec

Coldest possible temp, no more energy can be removed

30 sec

Things expand when heated

30 sec

32 F liquid freezes or solid melts

30 sec

212 F liquid boils

30 sec

Liquid becomes gas on SURFACE

30 sec

Liquid becomes gas UNDER SURFACE

30 sec

Total particles in substance

30 sec

The state in which one objects distance from another is changing

30 sec

Basic SI unit of length

30 sec

Distance an object travels in a certain time

30 sec

Speed in a given direction

30 sec

Rate at which velocity changes

30 sec

Measures a force

30 sec

Push or pull on an object

30 sec

Overall or total force on an object

30 sec

Equal forces acting in opposite directions

30 sec

Changes an objects motion due to a nonzero total force

30 sec

Tendency of object to continue doing what it already was

30 sec

Amount of matter in object

30 sec

Mass x velocity

30 sec

Force a surface exerts on an object when they rub together

30 sec

Force that pulls objects toward each other based on their weight and distance

30 sec

How strongly gravity forces you down to Earth

30 sec

Mass of a substance contained in its volume

30 sec

Upward force acting on an object submerged

30 sec

Force you put in

30 sec

Force the machine puts out

30 sec

When a force moves an object

30 sec

Measures work and energy

30 sec

How productive a machine is. Output divided by input

30 sec

Straight object that pivots to do work

30 sec

Inclined plane wrapped around central cylinder

30 sec

Flat surface with one end higher than the other

30 sec

Fixed point a lever rotates around

30 sec

How quickly work is done, measured in watts

30 sec

Ability to do work

30 sec

Energy of objects stretched or compressed

30 sec

Energy of objects with mass and height

30 sec

Energy of electrical moving charges

30 sec

Energy stored in nucleus of an atom

30 sec

Energy that is stored, many different types

30 sec

Energy an object has when it's moving

30 sec

the ability of someone or something to do work.

30 sec

energy in motion

30 sec

energy that is stored up

30 sec

A type of potential energy that is dependent on gravity

30 sec

states that energy is protected and preserved

30 sec

most of the potential energy around you

30 sec

fossilized forms of energy

30 sec

lakes of oil deep in the earth

30 sec

dead plants turned into carbon

30 sec

gas that is made naturally

30 sec

the energy inside the nucleus of an atom

30 sec

produces nuclear energy

30 sec

energy made from sources that don't run out

30 sec

energy that doesn't produce chemicals and waste

30 sec

the power of water

30 sec

is the electricity for water or falling water

100

30 sec

energy from the sun

101

30 sec

designed to collect the sun's heat piping it to homes and buildings

102

30 sec

thin plates that turn solar energy into electricity

103

30 sec

energy types that come from living things

104

30 sec

Anything we use in order to use force in a convenient way.

105

30 sec

A decimal based measuring system used by the scientific world.

106

30 sec

The combination of the amount of force it takes to move an object and how far the object moves. Work=ForceXdistance.

107

30 sec

A machine becomes a lever when it has a fulcrum point.

108

30 sec

A fulcrum point is the pivot point on a lever.

109

30 sec

The amount of work you can do during a certain length of time.

110

30 sec

Work is measured in?

111

30 sec

A simple machine that has an inclined surface, like a ramp.

112

30 sec

A simple machine consisting of a wheel with a groove in it allowing a rope to be pulled over it.

113

30 sec

A special gear with angled teeth that determines the gear ratio.

114

30 sec

A combination of an axle with a lever.

115

30 sec

The ratio of the speed of rotation of the powered gear to the final driven gear.

116

30 sec

Visible energy that comes from the sun or another light generating object.

117

30 sec

Energy cannot be created or destroyed, it can only change forms.

118

30 sec

Stored energy

119

30 sec

The energy of motion

120

30 sec

Anything that allows us to use force in a convenient way

121

30 sec

A simple machine consisting of a wheel with a groove in it allowing a rope to be pulled over it

122

30 sec

A decimal-based measuring system used by most of the world and the scientific community

123

30 sec

Energy can never be created or destroyed

124

30 sec

A simple machine consisting of a wheel with a groove in it which allows a rope (string, wire, etc.) to be pulled around it.

125

30 sec

A decimal-based measuring system used by much of the world and the entire scientific community.

126

30 sec

A special type of gear that has its ratio measured by the angle of its threads.

127

30 sec

A surface used for joining two different levels.

128

30 sec

When a force (push or pull) moves an object.

129

30 sec

The ratio of the speed of rotation of the powered gear to that of the final driven gear.

130

30 sec

A simple machine that uses a fulcrum point.

131

30 sec

The pivot point on a lever.

132

30 sec

The amount of work you can do during a certain length of time.

133

30 sec

The metric measurement most scientists use to measure work.

134

30 sec

A simple machine that has an inclined surface, like a ramp.

135

30 sec

A pulley that can freely move. Example is elevators.

136

30 sec

Visible energy.

137

30 sec

In science, the idea that energy can never be created or destroyed.

138

30 sec

Stored energy.

139

30 sec

The Energy of Motion.

140

30 sec

A machine that uses an axle and a lever to gether to lift objects.

141

30 sec

Energy stored as chemical potential, such as a battery.

142

30 sec

The ability to do work.

143

30 sec

The ratio of the density of a substance to the density of a standard, usually water for a liquid.

144

30 sec

An instrument that measures the specific gravity (relative density) of liquids.

145

30 sec

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