Type
Crossword
Description

The time rate of work power
Energy cannot be created or destroyed; it may be transformed from one form onto another, but the total amount of energy never changes. law of conservation of energy
A device, such as a lever or pulley, that increases (or decreases) a force or simply changes the direction of a force. machine
Energy due to the position of something or the movement of something. mechanical energy
The work done on an object equals the change in the kinetic energy of the object. work energy theorem
Energy that something possesses because of its motion, quantified by the relationship kinetic energy
the product of the force and the distance moved by the force work
A simple machine consisting of a rigid rod pivoted at a fixed point called the fulcrum lever
the property of a system that enables it to do work energy
Energy that something possesses because of its position potential energy

## Work and Machines Crossword Puzzle

Type
Crossword
Description

The object that is moved or lifted (known as the output force) Load
The unit used to measure force Newton
The transfer of energy that occurs when a force makes an object move Work
The unit of work Joule
A device that uses energy to perform an activity Machine
The force applied to the machine and the force you exert Input Force
The weight of the object of which force is being exerted to known as the load Output Force
Output force ÷ input force; the number of times a machine multiplies the effort force Mechanical Advantage
Ration of output work done by the machine to input work done on the machine expressed as a percentage Efficiency
A sloping surface that reduces the amount of force required to do work inclined plane
A simple machine that is an inclined plane with one or two sloping sides Wedge
A simple machine that consists of an inclined plane wrapped in a spiral around a cylindrical post Screw
A simple machine consisting of a bar free to pivot about a fixed point called a fulcrum lever
The point on which a lever rests or is supported and on which it pivots Fulcrum
A circular object that revolves on an axle and is fixed below a vehicle or other object to enable it to move easily over the ground wheel
A rod or spindle passing through the center of a wheel or group of wheels. axle
A group of wheels with a rope, chain, or cable running along a groove Pulley
Two or more simple machines that operate together Compound machine
A type of lever that looks like a wheel with teeth gear
The forces that oppose the relative motion of an object through a fluid air resistance
A machine designed to make work easier by increasing the distance and decreasing effort Simple machine
The force which an effort force must overcome in order to do work on an object via a simple machine resistance
a force that acts upon all objects gravity
An influence that causes a free body to undergo acceleration; a push or a pull force
The overall force on an object when all the individual forces acting on it are added together net force
Forces that cause a change in the motion of an object unbalanced forces
Two forces acting in opposite directions on an object, and equal in size balanced forces
The resistance of any physical object to any change in its state of motion inertia
A force that opposes motion friction
measured as a product of an objects mass and velocity momentum

## simple machines Crossword

Type
Crossword
Description

it has three classes. the classes have to do with load,fulcrum, and effort lever
This simple machine must have a chain , a rope or a belt pulley
This simple machine has two ciruclar objects wheel and axle
What type of simple machine is a ram inclined plane
What type of simple machine is an axe wedge
What is an inclined plane that is wrapped around a cylinder screw
Its made of two or more simple machines compound machine
What type of lever is the fulcrum in the middle first class lever
the work we do on an object input force
work the simple machine does output
what class lever is the load in the middle second class lever
what lever class is the effort in the middle third class lever
What is a pulley with an load on it fixed pulley
What is it called when you make an object move work
what is the equation for work forcexdistance

## Work, Energy, and Machines Crossword

Type
Crossword
Description

A simple machine that has a bar that pivots at a fixed point. Lever
The fixed point at which a lever pivots. Fulcrum
A see-saw is an example of what class of lever? First
A stapler is an example of what class of lever? Second
A softball bat is an example of what class of lever? Third
A simple machine that is made of a wheel connected to a smaller cylindrical object. Wheel and Axle
A simple machine that has a grooved wheel that holds a rope or cable. Pulley
The type of pulley that is used on a flag pole is called _? fixed
The tyoe of pulley that is attached to the object being moved is called what? Moveable
A set of pulleys that multiplies the input force by 4 is called what? Block and Tackle
A simple machine that is a straight, slanted surface. (2 words) Inclined Plane
A pair of inclined planes that move. Wedge
An inclined plane that is wrapped in a spiral around a cylinder. Screw
The ability to do work. Energy
The energy of an object that is due to the object's motion. Kinetic
A device that helps do work by changing the magnitude and or direction of an applied force. Machine
A number that tells how many times a machine multiplies the input force. Mechanical Advantage
A quantity, usually expressed as a percentage, that measures the ratio of work output to work input in a machine. Mechanical Efficiency
The sum of an object's kinetic energy and potential energy due to gravity. Mechanical energy
The energy that an object has because of the position, condition, or chemical composition of the object. Potential
The rate at which work is done. Power
The transfer of energy to an object by using a force that causes the object to move in the direction of the force. Work

## Energy, Motion and Forces Word Search

Type
Word Search
Description

fulcrum
pulley
lever
machine
inertia
net force
force
centripetal acceleration
acceleration
velocity
reference point
position
vector
speed
motion
convection
calorie
insulator
conductor
conduction
heat
thermal energy
thermometer
degree
temperature
energy transformation
mechanical energy
potential energy
kinetic energy
energy

## Work and Machines Crossword Puzzle

Type
Crossword
Description

force x distance Work
unit when calculating energy Joule
makes work easier by increasing distance and decreasing force Machine
the effort Input Force
ratio of the force to the force applied to it Mechanical Advantage
useful work produced by a machine Efficiency
example; a ramp Inclined Plane
example; an axe Wedge
a wedge and inclined plane joined together Screw
example; seesaw Lever
where it pivots Fulcrum
example; a tire Wheel
reduces friction Axle
used to balance or move objects Pulley
consists of more than one simple machine Compound Machine
wheels with teeth Gears
can help make work easier Simple Machine

## Work, Energy, and Power Crossword

Type
Crossword
Description

stored energy potential energy
energy of a moving object kinetic energy
the ability to do work energy
work done in a certain amount of time power
friction converts kinetic energy to nonmechanical
the sum of kinetic energy and all forms of potential energy total energy
a push or pull force
SI unit of work joule
the force that opposes motion between two surfaces that are in contact friction
the product of the force exerted on an object and the distance the object moves in the direction of the force work
the sum of an object's potential and kinetic energy mechanical
energy that is stored in chemical bonds chemical
the net work done on an object is equal to its change in kinetic and potential energy work energy theorem
he unit of power equal to one joule of energy transferred in one second watt
form of energy involved in weighing fruit on a spring energy gravitational
a stretched rubber band or a stretched or compressed spring are examples of which potential energy elastic
states that energy cannot be created nor destroyed, but only transformed from one form into another conservation of energy
a roller coaster track is an example of a closed path
the gravitation force is called a conservative force
friction and air resistance is an example of what type of force nonconservative

## Simple Machines Crossword

Type
Crossword
Description

The FE/FR AMA
Two simples machines made into one Compound Machine
Most common type of lever First Class Lever
The type of pulley where the effort force is the same but the direction is changed Fixed Pulley
The DE/DR IMA
Simple machine that has a straight, slanted surface Inclined Plane
Simple machine that has a bar and pivots at a fixed point Lever
Simple machine that uses a wheek to pull a rope or cable Pulley
All inclined planes must have this kind of angle Right Angle
Made up of a twisted inclined plane Screw
A lever where the resistance force is between the effort force and fulcrum Second Class Lever
A machine that makes life easier Simple Machine
A lever where the effort force is between the resistance force and the fulcrum Third Class Lever
Made up of two inclined planes Wedge
Has two circular objects that are different sizes Wheel And Axle

Type
Word Search
Description

Compound
Conservation
Efficiency
Effort
Energy
Fulcrum
Kinetic
Lever
Meter
Newton
Potential
Power
Pulley
Screw
Simplemachine
Thermal
Watt
Wedge
Work

## Newton's Laws of Motion Crossword

Type
Crossword
Description

An object at rest stays at rest and an object in motion stays in motino unless acted upon by an outside force Inertia
Mass times Acceleration Force
For every action there is an equal and opposite reaction. Third Law
Distance per Time Speed
Change in Speed per Time Acceleration
Distance per Time with Direction Velocity
A push or pull Force
Mass times Speed Momentum
The pull of one object on another object Gravity
The overall force exerted on an object Net Force
The overall force has zero force on an object Balanced Force
Stored energy that results from the position or shape of an object Potential Energy
The unit measuring the affects gravity has on mass Weight
The force that one surface exerts on another when the two surfaces rub against each other Friction
Energy that an object has due to its motion Kinetic Energy
The name often given to the force exerted by the first object on a second object Action Force
The name often given to the force exerted by the second object back on the first object Reaction Force
The force of air pushing against a moving object. Air Resistance
The ability to produce change Energy
A number that tells how much of something there is. Magnitude

## Simple Machines Vocabulary Crossword

Type
Crossword
Description

Something done whenever a force moves an object Work
1 of 6 kinds of tools that make work easyer Simple Machine
a simple machine made of a bar or a board lever
the fixed point on which a lever is supported and moves Fulcrum
a simple machine that is flat Inclined Plane
a simple machine used to hold objects together screw
a simple machine made of a wheel and a rope pulley
a simple machine that has a center rod to a wheel wheel and axle
a simple machine used to cut or split an oject wedge
push or pull force