SALT WATER AND BUOYANCY L2

SALTWATER AND BUOYANCY L2

by Kidzone Center

C​lass Rules!

Be quiet​!

​C​lass Rules!

​Listen to teacher

​Raise your hand

​Water can be....

​Salty

Fresh

​How much water is on the Earth?

​Water covers 71% of the Earth.

​water

​Land

97% of water is salty water

​

3% of water is fresh water

​

​

Stream

Bodies of water - Matching pairs

You can open this webpage in a new tab.

Copy link

Open in new tab

​Dead Sea

​What can live in the Dead sea?

​

​

​Can we swim in the Dead Sea?

​Dead Sea

​Dead sea is the name of the lake

​Dead Sea is 9 times saltier than oceans

​9

​Dead Sea

​Dead sea is very salty.

No animals can live there.

​Dead sea is very salty.

We can't swim there.

We can only float.

​Lake Baikal is the biggest freshwater lake in the world.

Multiple Choice

Is Dead sea a sea?

Multiple Choice

Is Baikal lake a lake?

Multiple Choice

Do animals or plants live in the Dead Sea?

• Only plants can live in the Dead Sea

• Only animals can live in the Dead Sea

• No animals and plants can live in the Dead Sea

Multiple Choice

Why doesn’t anything live in the Dead Sea?

• It's very fresh

• It's very deep

• It's very salty

Multiple Choice

Can we swim in Dead sea?

Multiple Choice

Can we float in Dead sea?

Multiple Choice

How many times is the Dead Sea water saltier than the ocean?

• 3

• 100

• 9

Multiple Choice

Why can we float in the Dead Sea?

• It's very fresh

• It's very deep

• It's very salty

Multiple Choice

Is Baikal lake salty?

• Yes, It's very salty

• Yes, It's a little salty

• No, It's fresh

​Vapor

​​Step 1. Evaporation

When ​the Sun shines. The water evaporates and becomes vapour.

It goes up into the sky and gets caught by clouds.

​

​I'm cloud

​I'm vapour

​Cloud gets more and more vapor.

This is called condensation.

​Step 2 Condensation.

​When there's too much vapor in me, I get too heavy.

​I can't hold so much vapour so I get it out! This is called precipitation

​Step 3 Precipitation

​I can make rain...

​Step 4 Collection

​Rain falls into the ground, rivers and oceans.

This is called collection

The Water Cycle - Labelled diagram

You can open this webpage in a new tab.

Copy link

Open in new tab

Multiple Choice

In a hot day water starts to

• Jump around

• Rain

• Melt

• Evaporate

Multiple Choice

Clouds made of

• Sugar

• Vapor

• Salt

Multiple Choice

​Cloud gets more and more vapor. This calls

• Evaporation

• Condensation

• Collection

Multiple Choice

​Rain falls into the ground, rivers, and oceans. This calls

• Evaporation

• Condensation

• Collection

Multiple Choice

Rain begins to fall, this is called

• Evaporation

• Collection

• Precipitation

• Condensation

Multiple Choice

What is NOT a part of the water cycle?

• Evaporation

• Collection

• Condensation

• Swimming

​Hello, My name is ...

Today, I will tell you about ....

​

​Step 1 is .........

​When ​the Sun shines. The water evaporates and becomes vapour.

​Step 2 is.....

​​Cloud gets more and more vapor.

​Step 3 is.....

​The rain begins to fall.

​Step 4 is.....

​​Rain falls into the ground, rivers and oceans.