Biology!

The Earth is the_____ planet from the Sun.

• waka waka

• third

• second

• fourth

the Earth is the only planet in our Solar

System with water in its three states.

• true

• false

Which planets are the only planets in which there is life?

• Earth, Saturn and Pluto

• Earth and Jupiter

• Earth and the moon

• Earth

The Earth is the third planet from the_____. It’s the only planet in our Solar

System with ____ in its three states. The Earth is also the only planet where

there is ____. Our planet’s unique conditions formed over millions of years.

• sun / life / water

• milky way / life / sunlight

• sun / water / life

The Sun formed_______

• 4600

  million years ago.

• 460

  million years ago.

• 46000

  million years ago.

• 46

  million years ago.

Our planet has four main subsystems we call_____

• layers

• espheres:

• spheres:

• geospheres

The ______ crust is between 10 and 70 km

thick. It’s made of rocks, such as granite, clay

and slate.

The _______ crust is between 6 and 70 km thick.

It includes the ocean floor, which contains rocks

such as basalt.

• upper / lower

• oceanic / continental

• continental / oceanic

• outer / inner

which are the 4 subsystems called?

• 1. Thinky Winkie

  2. Dypsy

  3. La La

  4. Po

• 1. the atmosfere,

  2. the hydrosfere,

  3. the geosfere,

  4. the biosfere,

• 1. the atmosphere,

  2. the hidrosphere

  3. the geosphere,

  4. the byosphere,

• 1. the atmosphere,

  2. the hydrosphere,

  3. the geosphere,

  4. the biosphere,

which one is the gaseous layer?

• atmosphere

• hydrosphere

• geosphere

• biosphere

where does life occur?

• atmosphere

• hydrosphere

• geosphere

• biosphere