Science Unit 5 Test

a device that consists of a number of elements that work together to make work easier to perform

• Efficiency

• Machine

• Mechanical Advantage

the ability of a machine to do work with less force

• Efficiency

• Machine

• Mechanical Advantage

the percent of work put into a machine by a user that becomes work done by the machine

• Efficiency

• Machine

• Mechanical Advantage

Tags

NGSS.MS-ETS1-1

a simple machine consisting of a flat surface with one end that is higher than the other, allowing objects to be pushed rather than lifted

• Inclined Plane

• Lever

• Pulley

• Wedge

• Screw

a simple machine consisting of a triangular shape with a sharp edge that is used to push two objects apart

• Inclined Plane

• Lever

• Pulley

• Wedge

• Screw

a simple machine consisting of an inclined plane wrapped around a cylinder with a flat head and pointed tip that is used to lift things or hold them together

• Wheel & Axle

• Lever

• Pulley

• Wedge

• Screw

Tags

NGSS.MS-PS2-1

a simple machine consisting of a rigid bar that pivots on a support and is used to lift a load with less effort

• Inclined Plane

• Lever

• Wheel & Axle

• Wedge

• Screw

simple machine consisting of two wheels with a rod connecting them in the center; used to move objects horizontally more easily by decreasing friction

• Inclined Plane

• Lever

• Pulley

• Wheel & Axle

• Screw

a simple machine that consists of a fixed axle and a wheel with a groove that guides a rope or cable and is used to lift and lower heavy objects

• Inclined Plane

• Lever

• Pulley

• Wedge

• Screw

the ridges that form the inclined plane around the cylinder of a screw

• Fulcrum

• Block & Tackle

• Pitch

• Thread

• Bolt