SS4 unit 7 -8 Midterm review + Grammar | Baamboozle - Baamboozle

English 38 Public

Simple machines, Bicycle parts,

Study Slideshow

Which of the following is not true?

Gear - to move objects easily

Pulley - to lift objects to a higher place

Wheel and axle - to cut or separate objects

Lever - to carry or move heavy objects easily

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What is a machine?

Any instrument that uses a motor to function

Any instrument invented by humans

Any instrument that helps us to do work easily

Any instrument that helps us move from a place to another pl

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A machine is something we use to make work

more difficult

slower

easier

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A simple machine...

is made up of simple machines

has few or no moving parts

is something we use to make work easier

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A complex machine...

has few or no moving parts

is made up of simple machines

is something we use to make work easier

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A tap is a simple machine that has...

wheel and axle

lever

pulley

inclined plane

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This complex machine uses...

electricity from batteries

electricity from the mains

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A wrist-watch is a complex machine which...

uses electricity from the mains

uses a battery

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We push these with our feet. They make the wheels turn around.

pedals

tyre

brakes

front wheel

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A bicycle is a ....

complex machine

simple machine

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A bicycle needs our _________ to work

thermal energy

kinetic energy

potential energy

chemical energy

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We use our hands to change these when we want to go up or down a hill.

gears

pedals

brakes

gear controls

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The gears are ______

levers

pulleys

wheel and axle

wedge

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We hold the _________ and use these to change direction.

brakes

gears

handlebars

gear controls

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The pedals are....

levers

pulleys

inclined planes

wedges

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The handlebars are....

levers

inclined planes

wedges

pulleys

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