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WorksheetsPLTW POE Vocabulary
Total questions: 57
Worksheet time: 47mins
______ - A device that transmits motion or force.
Mechanism
Battery
Sensor
Conductor
______ - A push or pull that causes an object to move, stop, or change direction.
Force
Energy
Mass
Friction
______ - A twisting force that causes rotation.
Torque
Momentum
Friction
Gravity
______ - The relationship between the number of teeth on two gears in mesh.
Gear Ratio
Pitch Circle
Module
Pressure Angle
______ - The ratio of useful output to total input.
Efficiency
Power
Force
Energy
______ - Force applied over a distance.
Work
Power
Energy
Pressure
______ - The rate at which work is done.
Power
Force
Energy
Velocity
______ - When all forces acting on an object are balanced.
Equilibrium
Acceleration
Friction
Momentum
______ - The turning effect of a force applied at a distance from a pivot point.
Moment
Force
Velocity
Impulse
______ - A framework made of triangles used to support loads.
Truss
Beam
Column
Arch
______ - The weight or force applied to a structure.
Load
Span
Joint
Beam
______ - A force that pulls or stretches material.
Tension
Compression
Shear
Torsion
______ - A force that squeezes or compacts material.
Compression
Tension
Shear
Gravity
______ - A force that causes materials to slide past one another.
Shear
Tension
Compression
Gravity
______ - How much stronger a system is than it needs to be.
Factor of Safety
Yield Strength
Elastic Limit
Ultimate Strength
______ - The ability to do work.
Energy
Force
Power
Mass
______ - Energy of motion.
Kinetic Energy
Potential Energy
Thermal Energy
Chemical Energy
______ - Stored energy based on position or condition.
Potential Energy
Kinetic Energy
Thermal Energy
Chemical Energy
______ - Energy from natural sources that can be replenished.
Renewable Energy
Non-renewable Energy
Fossil Fuel Energy
Nuclear Energy
______ - Energy sources that cannot be replenished within a human timescale.
Non-renewable Energy
Renewable Energy
Solar Energy
Geothermal Energy
______ - The use of liquids to transmit power.
Hydraulics
Pneumatics
Electronics
Mechanics
______ - The use of compressed air to transmit power.
Pneumatics
Hydraulics
Electronics
Mechanics
______ - The volume of fluid moving per unit of time.
Flow Rate
Pressure
Density
Viscosity
______ - Force applied per unit area.
Pressure
Density
Volume
Mass
______ - Pressure applied to a confined fluid is transmitted equally in all directions.
Pascal's Law
Boyle's Law
Archimedes' Principle
Bernoulli's Principle
Electrical potential difference; the “push” behind current. Fill in the blank: ________
Voltage
Resistance
Current
Power
The flow of electric charge. Fill in the blank: ________
Current
Voltage
Resistance
Power
Opposition to current flow. Fill in the blank: ________
Resistance
Capacitance
Inductance
Conductance
A closed loop that allows current to flow. Fill in the blank: ________
Circuit
Battery
Switch
Wire
A circuit where components are connected end-to-end, one path for current. Fill in the blank: ________
Series Circuit
Parallel Circuit
Closed Circuit
Open Circuit
A circuit with multiple paths for current. Fill in the blank: ________
Parallel Circuit
Series Circuit
Open Circuit
Short Circuit
V = IR; relationship between voltage, current, and resistance. Fill in the blank: ________
Ohm’s Law
Newton’s Law
Boyle’s Law
Faraday’s Law
The rate at which electrical energy is used (P = IV). Fill in the blank: ________
Power (Electrical)
Voltage
Current
Resistance
An unbroken electrical path. Fill in the blank: ________
Continuity
Resistance
Capacitance
Impedance
Internal force per unit area within materials. Fill in the blank: ________
Stress
Strain
Pressure
Force
Deformation caused by stress. Fill in the blank: ________
Strain
Density
Elasticity
Tension
Ability of a material to return to its original shape. Fill in the blank: ________
Elasticity
Plasticity
Viscosity
Brittleness
Permanent change in shape caused by stress. Fill in the blank: ________
Plastic Deformation
Elastic Deformation
Fracture
Fatigue
Ability to be stretched into wire. Fill in the blank: ________
Ductility
Malleability
Elasticity
Brittleness
Breaks without significant deformation. Fill in the blank: ________
Brittle
Ductile
Elastic
Flexible
Ability to absorb energy and deform without breaking. Fill in the blank: ________
Toughness
Hardness
Elasticity
Brittleness
A set of coded instructions a robot follows. Fill in the blank: ________
Program
Battery
Wheel
Sensor
A device that detects input from the environment. Fill in the blank: ________
Sensor
Actuator
Transmitter
Receiver
A device that converts energy into mechanical motion. Fill in the blank: ________
Actuator
Resistor
Transistor
Capacitor
The brain of the robot; interprets sensor data and runs programs. Fill in the blank: ________
Controller
Sensor
Actuator
Frame
A tool attached to the end of a robotic arm (e.g., gripper). Fill in the blank: ________
End Effector
Actuator
Sensor
Controller
An early working model of a design. Fill in the blank: ________
Prototype
Blueprint
Draft
Mold
A repeated cycle used to improve a design. Fill in the blank: ________
Iteration
Calculation
Decoration
Isolation
Making a system as effective or functional as possible. Fill in the blank: ________
Optimization
Minimization
Complication
Reduction
Limits or restrictions in design (time, cost, materials). Fill in the blank: ________
Constraints
Resources
Objectives
Solutions
Requirements the design must meet. Fill in the blank: ________
Criteria
Materials
Dimensions
Budget
Match Newton's laws with the description that best fits it.
An object at rest and an object in motion will both maintain a constant state of motion - unless acted upon by an unbalanced force.
For every applied Force, there is an equal and opposite reactive Force.
Newton's 3rd Law
The acceleration of a mass is proportional to the Net Force acting on it
Newton's 2nd Law
Are the forces acting on the object balanced or unbalanced? The man does a flip on the fly board.
(a)
Match the following variables with their units
Velocity
m/s
Acceleration
m/s^2
Distance
m
Time
s
Force
N
Match the following
Watt
Power
Meter
Distance
Newton
Force
Newton Meter
Torque
Joules
Work
Match the following
Hp
Power
Feet
Distance
lb
Force
ft*lb ⟂
Torque
ft*lb
Work
Match the following
Kilo
1000 Base Units
Deca
10 Base Units
Base
Meters, Liters, Grams
Centi
1/100 Base Units
Milli
1/1000 Base Units
