Rapid Changes to the Earth's Surface

Rapid Changes to the Earth's Surface

Volcanic Eruptions

Multiple Choice

A force that causes new land to form --

• Earth's surface

• Earthquake

• Landslide

• Volcano

Multiple Choice

Something that happens quickly to Earth's surface to make it different--

• Earth's surface

• Rapid change

• A river forming

• A mountain forming

Multiple Choice

The picture shows an island in the middle of the ocean that increased in size in only a few weeks.

Which of the following most likely caused this rapid change in the island?

• Earthquake shaking the water

• Movement of waves

• Eruptions of a volcano

• Piling up of sand

Multiple Choice

Volcanoes create new land on the Earth’s surface when –

• lava flows then cools and hardens to form rock.

• an eruption destroys the side of a mountain.

• magma forms giant underground chambers.

• saltwater touches lava and changes into steam.

Earthquakes

Multiple Choice

The rock layers pictures here have split and been shifted. What most likely caused this change?

• river

• landslide

• earthquake

• volcano

Multiple Choice

Which of the following best describes how earthquakes change the Earth’s surface? Earthquakes –

• throw rocks and ash into the air.

• force lava through holes in the ground.

• violently shift the surface of the earth.

• cause clouds to form and rain to fall.

Multiple Choice

A volcano can directly change Earth’s surface by —

• adding heat to the atmosphere.

• building up layers of hardened lava.

• releasing water vapor into the air.

• shooting out clouds of ash and smoke.

Multiple Choice

Which of the following most likely caused the change to the Earth's surface illustrated?

• landslide

• thunderstorm

• sinkhole

• earthquake

Tsunamis

Multiple Choice

True or False: Although tsunamis are sometimes called tidal waves, they have nothing to do with the ocean's tides.

a. TRUE

b. FALSE

• a

• b

Multiple Choice

The bottom of a tsunami is called a

• trough

• floor

• hole

• cellar

Multiple Choice

The top of the tsunami is called a

• high

• peak

• crest

• ceiling

Multiple Choice

What does Tsunami mean?

• Big wave

• Harbour wave

• Earthquake wave

• Wave goodbye

Multiple Choice

A tsunami is caused by underwater

• Fish

• Explosions

• Earthquakes

• Exploration

Landslides

Multiple Choice

Why do so many landslides occur near mountains, rather than in flat areas?

• Mountains have lots of rocks.
• The trees on the mountains tend to push down the dirt.
• Mountains are big hills which allow the dirt to slide down them quickly.
• People like to build their houses near mountains.

Multiple Choice

What always plays the main role in a landslide, regardless of the cause?

• Mud
• Gravity
• Wind
• Earthquakes

Multiple Choice

True or False
Freezing and thawing of rocks can cause a landslide.

• True
• False

Floods

Multiple Choice

which among the following is NOT the Effect of Floods

• Destruction of standing crops

• Soil Erosion

• Emission of poisonous Gases and Lava

• Huge loss to life and property

Multiple Choice

Why should you never play in flood waters?

• The water will be cold.

• The water will stink.

• The water can make you sick from chemicals and bacteria.

Multiple Choice

You should play in flood water.

• TRUE

• FALSE

Multiple Choice

When a flood is in an area, which action should be taken?

• Go to low elevation
• Go to high elevation

Multiple Choice

Floods are caused by ______ rains

• hard

• heavy

• harm

• cloudy