why the earth is called „blue planet“?. instructions now teacher should present few pictures for...

Why the Earth is called „BLUE

PLANET“?

Instructions

Now teacher should present few pictures for example: snow, rain, clouds, iceberg, snow flake, hail, spruit, pond, river, etc.

• Rain in the street• Clouds forming tornado• Sunset over the water• Iceberg in the sea • Glacier• Shingle ocean floor• Small clouds

• Top of clouds seen from a plane• Falling water drop creating ripples• Snowflake• Hailstones• Rime• Frost forming on a glass

What have we seen?For example:

Experiments

• 1. The plant in a plastic bag • 2. Ice cube melting in beaker• 3. Mirror with dew on it.

Water• Different forms of water on the Earth:

cloud, vapour, snow, ice, hail, drop, rain, sea, river, puddle, rime, …

• What are the names of different states of water?

• Solid – ice, snow, hail, …• Liquid – water, drop, rain, …• Gas – vapour, cloud, …

Water• Under what conditions does ice form?• Under what conditions does vapour form?

Do you know yet why the Earth is called „Blue PLANET “?