7th Ch 14: Earth's Changing Surface

What makes up all soil?

When ___ reacts with iron, the iron rusts.

The presence of the same __ on several continents supports the hypothesis of continental drift

Which type of force is shown:

Which type of weathering: a rock slowly dissolves in water and breaks into separate elements

Which of the following causes chemical weathering?

When oceanic plates pull apart, making the crust thinner, hot rock pushes up and forms...

T or F: Earthquakes are the vibrations in the ground that result from severe storms.

T or F: Volcanoes can form on the ocean floor.

What happens when sediment eroded by water, ice, and wind slows down or stops moving?

Which of the following is NOT an example of chemical weathering?

How long does it take soil to form?

The hypothesis that continents move is called ___

If, after an eruption, the top of a volcano collapses down, a ___ forms.

Which type of stress occurs at a transform plate boundary?

T or F: The surface along which the crust moves is called a fracture.

Long streams of molten rock from volcanoes are called ...

What are formed when two continental plates collide?

T or F: A stress that squeezes is called tension.

What type of mountains are formed when molten rock erupts onto Earth's surface and hardens?

When an oceanic and continental plate collide, the denser oceanic plate is usually forced ___.

T or F: Acid rain causes mechanical weathering.

What often forms a mountain when layers of lava and volcanic ash erupt and build up?

Plates move apart at ___ boundaries.

Locations where volcanoes form far from plate boundaries are called ...

T or F: Weathering is a natural process that causes rock to change, break down, and crumble.

Which type of weathering: acid rain wears away the words on a tombstone

The boundary between two plates moving together is called a ___ boundary.

Which type of force is shown:

Plates slide past one another at ___.

What forms when two oceanic plates collide?

What is the area where one plate slides UNDER another?

Scientists have observed that the plates move at rates ranging from 1-12 cm per ___.

Sand dunes are an example of deposition by ___.

What causes tectonic plates to move?

T or F: Deposition occurs when water slows down & drops the materials it has been carrying.

The result of plate movement can be seen at ___.

Which type of weathering: plant roots force their way into a sidewalk crack and break it more

T or F: As plants grow, their roots can break rocks apart.

Which type of force is shown:

T or F: Mid-ocean ridges are formed along lines where two plates diverge under the water.

Which type of weathering: burrowing animals break apart rocks as they dig

Which is NOT evidence scientists use to support the theory of plate tectonics?

What is responsible for most of the damage to buildings after earthquakes?