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Rocks & Soil

Authored by Natasha DeVenuti

Science

9th - 12th Grade

NGSS covered

Used 3+ times

Rocks & Soil
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88 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Media Image

The O Horizon contains mostly..

Organic Matter

Rocks

Boulders

Houses

Answer explanation

Remember that the O Horizon is made up mainly of organic matter such as leaf litter. A trick to remember..... O Horizon & (O)rganic.

Tags

NGSS.MS-LS2-3

2.

REORDER QUESTION

2 mins • 5 pts

Media Image

Reorder the following soil layers from BOTTOM layer to TOP layer.

Humus

Topsoil

Bedrock

Subsoil

Parent Material

3.

DRAG AND DROP QUESTION

1 min • 2 pts

The A Horizon is to the ​ (a)   , the B Horizon is to the ​ (b)   .

topsoil
subsoil
parent material
humus

Answer explanation

The A Horizon belongs to the topsoil, containing rich organic matter, microorganism activity and the place where seed germination takes place.

The B Horizon belongs to the subsoil, containing less humus and organic matter, it is more compacted, and good at storing water!

4.

DROPDOWN QUESTION

1 min • 1 pt

Media Image

The R Horizon contains mostly ​ (a)  

solid rock
Humus
Organic Matter
Broken tree roots
Microorganisms

Answer explanation

The R Horizon is the bottom layer of the soil, containing solid rock, and sheets of granite, quartzite, basalt and sandstone.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

NGSS.MS-ESS1-4

5.

MATCH QUESTION

2 mins • 5 pts

Media Image

Match the following soil horizons to their features.

rich in organic matter, where seed germination takes place

O Horizon

more compacted soil

C Horizon

large broken rocks, broken tree roots

A Horizon

organic matter and leaf litter

B Horizon

pale color, leaching nutrients from upper layers

E Horizon

Tags

NGSS.MS-LS2-3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Which is NOT a layer of the soil?

Topsoil

Subsoil

Bottom Soil

Parent Material

Answer explanation

Bottom soil is NOT a layer of the soil.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is HUMUS made from?

The remains of decayed plants.

Both

The remains of decayed animals.

Tags

NGSS.MS-LS2-1

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