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1.2-Mineral salts

Benard Barasa

Created on September 1, 2021

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Transcript

1.2 Minerals and plant growth

Objectives

Understand what minerals and their importance in plants.Identify key minerals needed for healthy plant

Warmer-Group discusion

What do you think plants need to grow?

Feed back

They need water, air,sunlight and minerals.

Focus and be ready for questions.

Watch

Individual activity-Write answers in the note book

1. State one reason plant need minerals.2. Write down two minerals that plant need. 3.Which nutrient makes chlorophyll for green plant? 4. Where do plants get minerals from?

Feed back

1. makes the plant grow larger/increase yield.2. Magnesium, nitrates, potassium, phosporous. 3. Magnesium. 4. Soil and adding fertiliser.

Think like A scientistWhich mineral is lacking in leaf A?

LEAF B

LEAF A

Feed back

1 The leaf is yellow because it lacks magnesium and nitrates.

poster creation-Group work

Each group to create a poster about one key mineral. . Include the role it plays in plant growth. . The symptoms of deficiency.

Plenary

Write down one thing that has suprised you in this lesson.

Thanks!