Which of the following would cause a slow change to Earth's surface?

• volcano
• earthquake
• landslide
• weathering

Which of the following would cause a rapid change to Earth's surface?

• erosion
• weathering
• volcano
• none of these

Which of these words describes shaking of the ground caused by a sudden shift in Earth's crust?

• landslide
• volcano
• earthquake
• none of these

What does this mineral show?

• cleavage
• streak
• magnetism
• crystals

What causes erosion?

• wind
• water
• gravity
• all of these

All rocks contain one or more

• patterns
• sediments
• minerals
• shells

Melted rocks that cool and harden are called

• sedimentary rocks
• igneous rocks
• quartz
• metamorphic rocks

Which is not a substance that all soil contains?

• clay
• air
• water
• humus

Which is a type of mineral?

• compost
• igneous rock
• loam 
• copper

Which is a way that valleys form?

• A river cuts through rock
• Lava flowing from a volcano
• Ocean waves move sand
• Lava cools and hardens