4D formatif - Earth and its habitat

Picture A is ...

• crust

• mantle

• inner core

• outer core

Inside picture B, there is the melted rocks. It is called ...

• crust

• magma

• iron

• outer core

The core is made up of the metals ...

• ocean and mountain

• land and water

• magma and rocks

• iron and nickel

There are some facts of core, except ....

• the outer core is liquid

• the inner core is solid

• the core is as hot as the surface of the sun

• the core is made of magma

when magma erupts on to the surface, the magma is called ...

• core

• crust

• ash

• lava

Besides lava, some volcanoes send out these materials and flow up a central pipe or vent, except ...

• rocks

• volcanic ash

• magma

• gases

When magma erupts it forms baby volcanoes called ...

• ash cloud

• secondary cone

• crater

• vent

There are some negative effects of volcanoes, except ...

• people can be injured by ash and hard lumps of lava

• burn and burry crops and building

• people become ill because breathing in ash

• water comes to the surface as hot as spring, as tourist attraction

It causes terrible damage, the shaking of the Earth is called ...

• tsunami

• volcanoes

• earthquake

• flood

how do earthquake happen?

• a huge sea wave

• sudden movement of rocks in the Earth's crust

• magma erupts and on the Earth's surface

• a plastic ocean