Review for the Final Part 1-Grade 8

Which of the following is not one of the three types of rock?

• igneous
• sedimentary
• volcanic
• metamorphic

• D
• Q
• Z
• L

How do weathering and erosion change a rock?

• Heat and pressure give it layers
• Change rock into sediment
• Melt into lava or magam
• Prevents rock from changing

What process causes less dense, hot magma to rise in the mantle?

• conduction
• seismic waves
• convection
• radiation

Why is Earth's inner core solid?

• the pressure is very high
• the % of metals is very high
• the temperature is very high
• the chemicals are radioactive

Which best describes Earth's mantle?

• center of Earth
• solid, brittle
• contains fossils
• properties of solids & liquids

Which layer of Earth is the coolest, in temperature not popularity ;)

• inner core
• outer core
• mantle
• crust

What is Earth's core made of?

• liquid inner, solid outer
• solid inner, liquid outer
• completely solid
• completely liquid

What are the characteristics of Earth's crust?

• stationary, does not move
• thicker than the mantle
• located between the inner and outer core
• composed of continental and oceanic crust

What evidence shows that the continents are different today than they were long ago?

• Penguins
• Fossils
• Volcanoes
• Rivers