BigBook-Book 5 Unit 05 (E)

15 카드 | CompassPublishing

세트공유

although

even if
although both objects weigh the same, the small and round object will sink and the flat and wide object will float.

before

ahead of something
An object can only float if it displaces its weight in water before it’s covered by the water.

bottom

the lowest part of something
What does the bottom of a ship look like?

cover

to extend over something
An object can only float if it displaces its weight in water before it’s covered by the water.

displace

to make something move
The weight of the ship pushes down on the water and it causes some water to be displaced.

ever

at any time
Have you ever wondered how a ship can float without sinking?

float

to rest on the surface of a liquid
Have you ever wondered how a ship can float without sinking?

imagine

to think about something
imagine a ship on the ocean.

round

in the shape of a circle
Both objects weigh the same but one is small and round and the other is flat and wide.

ship

a large boat
Have you ever wondered how a ship can float without sinking?

sink

to fall below a surface
Have you ever wondered how a ship can float without sinking?

spread

to stretch
The reason for this is because the surface of the small and round object is not spread out over the water.

surface

the outside of something
The reason for this is because the surface of the small and round object is not spread out over the water.

weight

the amount of heaviness of an object
The weight of the ship pushes down on the water and it causes some water to be displaced.

wide

very long from side to side
Both objects weigh the same but one is small and round and the other is flat and wide.