How can an eruption change Earth’s surface? (choose more than one)

True or False: The shapes of the rocks can be changed by water in just a few days.

Fill in blank: There are three types of weathering: physical, chemical, and _________.

Fill in blank: Wind and water can __________ rock pieces.

Some areas in Ho Chi Minh City flood easily during heavy rain because they are built low, similar to New Orleans. If the nearby canals and rivers get too full, what happens?

Fill in blank: Erosion is very _______________ to humans.

True or False: Flood water is safe and cannot damage buildings and roads.

True or False: Wind can wear away rock and change Earth's surface

Fill in blank: Weathering occurs slowly but __________.

Which of the following materials can erupt from a volcano?

When playing in a stream in Ba Vi National Park, you find beautiful, smooth rocks. How did they get so smooth?

True or False: Grains of sand are huge pieces of rocks.

Why is the city of New Orleans geographically at high risk for flooding?