EVM Unit 1 Revision- Rocks and Minerals and their exploitation

The Earth's (a)   is surrounded by the mantle.

The inner core is _________

• liquid

• solid

• hot

The crust is ________ layer.

• a thick

• a thin

• an extremely hot

There are (a)   types of rocks.

These rocks are formed "by fire".

• sedimentary

• metamorphic

• igneous

These rocks are NOT the result of changes in heat and pressure.

• sedimentary

• metamorphic

• igneous

What's the name of the outermost and thinnest layer of the Earth?

• Crust

• Mantle

• Core

What of the following properties doesn't belong to a mineral?

• Can be created by humans

• Is homogenous

• Have an abiotic origin

• Is always solid

Which type of rocks are formed by external geological processes?

• Sedimentary rocks

• Igneous rocks

• Metamorphic rocks

• All of them are formed in the surface of the Earth

What type of rock forms at the bottom of a water source such as a river and can contains smaller rocks itself?  

• Intrusive Igneous
• Extrusive Igneous
• Metamorphic
• Sedimentary