BigBook-Book 1 Unit 18 (E)

14 카드 | CompassPublishing

세트공유

bicycle

a type of transportation with two wheels
Do you own a bicycle?

chain

a series of objects connected together
A pulley is a wheel that moves by pulling a chain.

compound

made up of two or more parts
But did you know your bicycle is a compound machine?

easy

not difficult
Simple machines are tools used to make work easier.

a word that shows a choice
A compound machine is made up of two or more simple machines.

pedal

a lever operated using the foot
The pedals of your bicycle are part of a pulley system.

play

an activity for pleasure
Bicycles are used for work and play.

pulley

a small wheel with a grooved rim used with a chain
A third simple machine is a pulley.

simple

easy to understand
A compound machine is made up of two or more simple machines.

system

a combination of parts that make a whole
The pedals of your bicycle are part of a pulley system.

third

being next after the second in order
A third simple machine is a pulley.

turn

to rotate around a center
An axle holds the wheel and allows the wheel to turn.

wheel

a circle that rotates
Another simple machine is a wheel and axle.

work

labor
Bicycles are used for work and play.

학생

가장 빠르게 암기하도록 도와주는 암기학습 〉
제대로 외웠나 바로 확인하는 리콜학습 〉
철자까지 외우려면 스펠학습 〉
재미있게 복습하려면 매칭 게임 〉
주관식으로도 재미있는 복습, 크래시 게임 〉

선생님

수업 중 이 단어장을 보고 듣고 질문하는 슬라이드 〉
수업시간이 들썩 들썩 퀴즈배틀 (로그인) 〉
클릭만으로 종이낭비 없이 시험지 인쇄 (로그인) 〉
필요한 세트를 직접 만드는 단어장 만들기 (로그인) 〉
선생님들이 만드신 30만개 단어장 검색하기 〉