G7 - Inside our Earth

The thinnest layer of the Earth is the __________

• crust

• mantle

• outer core

• inner core

The average radius of the mantle is about

• 2300 km

• 2900 km

• 3500 km

• 3900 m

What is the other name of the core?

• Lithosphere

• Biosphere

• Barysphere

• Hydrosphere

Granite, Chalk, clay and salt are examples of ___________

• rocks

• minerals

• fossils

• metals

The rocks which are formed from molten magma are called ____________ rocks

• igneous

• sedimentary

• metamorphic

• metallic

The fossil fuels are found in ____________ rocks

• igneous

• sedimentary

• metamorphic

• volcanic

The solid outermost layer of the earth is called (a)  

Geography is the study of Earth's interior

• True

• False

The change of one type of rock into another is know as (a)  

Marble is a type of ___________ rock

• metamorphic

• igneous

• expensive

• sedimentary