WHY THINGS FLOAT L2

WHY THINGS FLOAT L2

by Kidzone Center

C​lass Rules!

Be quiet​!

​C​lass Rules!

​Listen to teacher

​Raise your hand

​Water can be....

​Salty

Fresh

​Some things can float and some things can sink. Why?

​Sink

Float

​The light things will float and heavy things will sink

​Buoyancy

​If things are light buoyant force pushes them up!

FLOAT AND SINK - True or false

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​Sink or Float?

​Displacement

​When we put an object in the water, it will DISPLACE the water.

​Archimedes discovered the displacement when he was taking a bath.

​The bigger things push more water out.

Multiple Choice

Objects displace water

Multiple Choice

Bigger objects push less water out

Multiple Choice

​Archimedes discovered the displacement when he was taking a bath.

Multiple Choice

Who discovered displasment?

• ​Archimedes

• Steve Jobs

• Teacher Kate

​float or sink

​Why does the ball float?

​The ball will float because it has air inside

Multiple Choice

• Float

• Sink

Multiple Choice

• Float

• Sink

Multiple Choice

• Float

• Sink

Multiple Choice

• Float

• Sink

Multiple Choice

• Float

• Sink

Multiple Choice

• Float

• Sink

​Full bottle

​Half-full bottle

​Empty bottle

​Which one will float?

Which one will sink?

​1

​2

​3

​Full bottle

​Will sink because it doesn't have air inside

​Half-full bottle

​Will half float and half sink because it has half water and half air inside

​Empty bottle

​Will float because it has air inside

​1

​2

​3

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​Hello, My name is ...

Today, I will tell you about ....

​

​Some things can float and some things can sink.

​

​When we put an object in the water, it will DISPLACE the water.

​Air helps things to float.

​______ ​Will sink because it doesn't have air inside.

​_______Will half float and half sink because it has half water and half air inside

​

​_______Will float because it has air inside