ScalesofChangeEarth's Surface - TCI Planet Earth Lesson 2

An example of a small scale change is __________

• a landslide covering houses in mud.

• a volcano erupting and depositing lava around it.

• a wave rubbing sand against a rock, weathering it.

• an earthquake causing a cliff to fall into the ocean.

Tags

NGSS.MS-ESS2-2

How long does it take small changes to create something big like the Namib Desert?

• a week

• a year

• millions of years

• hundreds of years

Tags

NGSS.MS-ESS2-2

When rock is broken down in place it is called _________, but if material is removed, it is called _________.

• weathering; erosion

• breaking; transportation

• sanding; sedimentation

• reacting; deposition

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

Which of the following is NOT a way ice would play a role in small scale changes?

• A glacier grates over a boulder slowly, weathering the rock.

• An ice shelf breaks off Antarctica and crashes into the ocean.

• As ice slowly melts on a mountainside, it slides some topsoil downhill.

• A small piece of a glacier melts, dropping the small stones it had picked up as it moved.

Tags

NGSS.MS-ESS2-2

How are sand dunes formed?

• Eroded sand is carried by the wind and deposited.

• A large flood leaves the sand behind in wave shapes.

• Beetles walk across the sand and it forms big ripples.

• The ground beneath the dunes is already shaped like hills.

Tags

NGSS.MS-ESS2-2

On what time scale does fossil preservation occur?

• days

• years

• billions of years

• thousands of years

Tags

NGSS.MS-LS4-1

What is a hoodoo?

• a religious artifact

• a type of mushroom cap

• a legendary goblin native to Utah

• a type of unusual rock formation

Why are hoodoos significant to scientists?

• Because of their unusual shape, they prove that there are unnatural forces at work.

• Because of their unusual shape, they prove that we do not understand all the processes at work.

• They’re found all over the world, proving that natural processes act the same way all over Earth.

• They’re only found in Utah, proving that natural processes do not act uniformly across Earth.

Tags

NGSS.HS-ESS2-1

NGSS.HS-ESS2-2

The natural processes that happen now have always happened and will continue to happen. This idea is called ________.

• sameness

• unvaryism

• constantism

• uniformitarianism

Tags

NGSS.MS-ESS2-1

NGSS.MS-LS4-1

Changes to Earth’s surface happen at _______ time scales and _______ spatial scales.

• all; all

• only fast; only small

• only slow; only small

• only fast; large and small

Tags

NGSS.MS-ESS2-2