8 Science Week 2 Homework Term 1

What are the three main layers of the Earth, starting from the outermost layer?

• Crust, Mantle, Core

• Core, Mantle, Crust

• Mantle, Crust, Core

• Crust, Core, Mantle

Granite and basalt are examples of which type of rock?

• Sedimentary

• Igneous

• Metamorphic

• Hybrid

Which layer of the Earth is responsible for generating the planet's magnetic field?

• Crust

• Mantle

• Outer Core

• Inner Core

What type of rock primarily makes up the Earth's crust?

• Igneous

• Sedimentary

• Metamorphic

• All of the above

What is the primary process that forms sedimentary rocks?

• Heat and pressure

• Cooling and solidification of molten material

• Compression and recrystallization

• Accumulation and cementation of sediments

Marble, a rock formed from limestone undergoing intense heat and pressure, belongs to which rock category?

• Igneous

• Sedimentary

• Metamorphic

• Sedimentary-Metamorphic Hybrid

What is the basic building block of rocks, composed of a specific combination of elements and possessing a unique crystalline structure?

• Sediment

• Mineral

• Pebble

• Composite

Which of the following is NOT a property commonly used to identify minerals?

• Colour

• Taste

• Hardness

• Cleavage

When minerals are combined in varying proportions, they create different types of rocks. Which term refers to the texture and size of mineral crystals in a rock?

• Consistency

• Grain

• Blend

• Aggregate