Unit 5 Earth & Space

What is a planet?

• It is a star

• It is a celestial body that revolves around the sun

• It is a moon

• The sun

Which is NOT a benefit of Earth's position in the solar system?

• It is able to sustain life

• The average temperature is 14°C.

• Water can exist in all three states

• It takes 365 days to orbit the sun

It is the centre of the Earth. It is the hottest part of the planet. It is made up of a solid inner part and a liquid outer part. It is mainly iron and nickel.

• Mantle

• Core

• Crust

• Earth

It is sandwiched between two other parts of the earth. Near the top is is mostly solid rock but underneath the rock is partially melted.

• Mantle

• Core

• Crust

• Earth

The external part of the earth. It is made up of solid rock.

• Crust

• Mantle

• Core

• Inner Core

The Earth's temperature increases as you travel from the core to the crust.

• TRUE

• FALSE

The inner core is what state of matter?

• Solid

• Liquid

• Gas

• Plasma

The outer core is what state of matter?

• Solid

• Liquid

• Gas

• Plasma

What is the lithosphere?

• Land

• Water

• Air

• Living Things

What is the hydrosphere?

• Water

• Land

• Air

• Living Things