Plant, Soil Layers & Soil Life

Non-mineral nutrients come from the _____ and _____.

• water and plants

• plants and air

• air and sun

• air and water

Which is not true about calcium?

• it is a micronutrient

• it is a macronutrient

• it helps give the plant structure

What two ways can people (farmers, gardners) add nutrients to the soil?

• watering and composting

• composting and fertilizing

• fertilizing and heating the soil

• heating and watering the soil

Tags

NGSS.MS-LS2-1

Which nutrients do plants need in small quantities?

• macronutrients

• micronutrients

Which is inorganic?

• minerals

• leaves

• earthworms

• bacteria

Draw what the process of weathering looks like.

Tags

NGSS.MS-ESS2-2

_________ help remove nitrogen from the air and make it into something plants can use.

Tags

NGSS.MS-LS2-3

Which one of the following is NOT one of the 3 main organic things found in healthy soil?

• dead matter

• larger organisms

• nitrogen

• microorganisms

Explain what needs to happen to have healthy soil?

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What is the top layer of soil called?

• topsoil

• subsoil

• humus