Fast Changes to Earth's Surface

Which sentence about volcanoes is FALSE?

• Volcanoes give rich soil that is good for farming.

• Volcanoes can erupt and the lava can form islands.

• Volcanoes can spit out ash, molten rock, and gases.

• Volcanoes are all active and can erupt at any time.

Both magma and lava are molten rocks. How are they different?

• Lava is very cold and hard, and magma is very hot.

• Magma is underground, and lava is on the surface.

• Lava flows to the mantle, and magma flows to the crust.

• Magma can cool to form hills, but lava cannot form hills.

What happens FIRST?

• The wave travels across the sea and gets bigger.

• The earthquake causes a big wave to form.

• An earthquake occurs in the middle of the sea.

• A big wave hits a coast and causes flooding.

Which sentence about tectonic plates is TRUE?

• They lie on top of all the continents and the oceans.

• Earthquakes happen when they slip against each other.

• There are five major tectonic plates and two minor ones.

• The tectonic plates are part of the Earth's center core.

Sometimes during a storm, water can rise up very quickly and cause a flood. What do you think this type of flood is called?

• gradual flood

• flash flood

• lazy flood

• wet flood

Tags

NGSS.MS-ESS3-2