5th Grade Unit 1 Constructive Forces

Define constructive forces.

• Forces that destroy and dismantle surrounding land.

• Items such as paper, glue, and scissors.

• Forces that build up surrounding land.

• Forces that block water from flooding the surrounding area.

What is deposition?

• Dropping sediment or particles.

• Caused by water, wind, or ice.

• When dirt is carried along and placed somewhere else.

• All the above.

What is the term for deposits that build up at a river's mouth?

• channel

• bank

• mouth soot

• delta

Tags

NGSS.MS-ESS2-4

A delta is where the river meets a _______________.

• school of fish.

• larger body of water.

• levee or dam.

• small fishing town.

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NGSS.MS-ESS2-4

Sediment left beyond the banks of the river after a flood are ________.

• floodplains.

• low-lying planis.

• mud pockets.

• mosquito nests.

Tags

NGSS.MS-ESS2-2

• Levee - Man-built structure to protect local businesses from flooding.

• Barrier Islands - sediment deposited along the coast by waves

• Tropical Island - warm, leafy area near the equator

• Sand Dunes - Sand picked up and carried by small marine animals

Tags

NGSS.MS-ESS2-2

Deposits left on the shore by waves and currents.

• delta

• flood plains

• levee

• beach

What natural force is responsible for sand dunes?

• ice

• wind

• humans

• water

Tags

NGSS.MS-ESS2-6

A ridge of sediment or rock left behind when glaciers melt.

• moraine

• ridge

• migraine

• snow dune

Tags

NGSS.MS-ESS2-2

A volcano is both a constructive force and a destructive force. Which statement proves that it is a CONSTRUCTIVE FORCE?

• Lava burns and disintegrates surrounding structures.

• Cooling lava creates rock layers that turn into islands.

• Large pieces of break apart from the top of the volcano.

• Heat from the volcano can burn surrounding structures.

Tags

NGSS.MS-ESS2-2