Amplify Science - U3Ch4 Test - 4th Grade

Which force of nature is eroding these canyons?

• Wind

• Water

• Plants

• Ice

Tags

NGSS.MS-ESS2-2

Which canyon is deeper?

• Desert Rocks Canyon

• Keller's Canyon

What was the BIG question we were trying to answer in this chapter?

• What is erosion?

• Why does water erode rocks?

• Why do Desert Rocks Canyon and Keller's Canyon have layers exposed?

• Why did more rock layers get exposed in Desert Rocks Canyon than in Keller’s Canyon?

Tags

NGSS.MS-ESS2-2

How were these rocks formed?

• Aliens

• People made them

• Erosion by forces of nature

• Water and wind

Tags

NGSS.MS-ESS2-2

The rocks in the White Desert are made out of _____ .

• Sodium

• Chalk

• Carbon

• Sand

Tags

NGSS.MS-ESS2-1

What caused the Black Canyon to form?

• Erosion by the Gunnison River

• Erosion by rocks

• Erosion by ice

• Erosion by plants

Tags

NGSS.MS-ESS2-2

What are the 2 things that affect how much rock a river can erode?

• Depth and Wind

• Time and Rock

• Time and Speed

• Speed and Distance

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

Which test caused the most erosion?

• Test 1 - Slow river for 20,000 years

• Test 2 - Slow river for 40,000 years

• Test 3 - Fast river for 20,000 years

• Test 4 - Fast river for 40,000 years

Tags

NGSS.MS-ESS2-2

This model helped us compare two rivers to show how ______.

• Rivers which are slower erode more rock.

• Rivers which flow for a longer time erode more rock.

• Rivers which flow for a shorter time erode more rock.

• Rivers which flow together erode more rock.

Tags

NGSS.MS-ESS2-2

Is this student's model correct?

• Yes, because slow rivers would erode more rock

• No, because rivers don't erode rock

• Yes, because the rivers eroded the same amount of rock

• No, because fast rivers would erode more rock

Tags

NGSS.MS-ESS2-2