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PRIMARY 1: AGRIC SCIENCES – FIRST TERM | WEEK 7

Updated September 16, 2026Agricultural Science, First Term, Primary 1

TOPIC: DANGEROUS AND HARMFUL PLANTS

A: TEACHING AND LEARNING MATERIALS

  1. Pictures of thorny plants.
  2. Pictures of unknown wild fruits.
  3. Safety picture cards.
  4. Plant samples where safe.
  5. Flashcards.

B: REFERENCE MATERIALS

  1. Scheme of work.
  2. Recommended Agric Sciences textbook for Primary 1.
  3. Online educational resources.

C: PREVIOUS KNOWLEDGE

The pupils have learnt that plants are useful for food, medicine, shade and other purposes.

D: PERFORMANCE OBJECTIVES

By the end of the lesson, pupils should be able to:

  1. Explain what a harmful plant is.
  2. Identify some dangerous plants.
  3. Mention dangers of thorny plants.
  4. State why unknown fruits should not be eaten.
  5. Mention simple safety rules around unfamiliar plants.

E: CONTENT

Meaning of Harmful Plants

Harmful plants are plants that may hurt or harm people or animals.

Thorny Plants

Some plants have sharp thorns. 🌵 Thorns can:

  • scratch the skin
  • cause cuts
  • cause pain

Plants That Cause Itching

Some plants may make the skin itch when touched.

Unknown Fruits

Children should not eat fruits or leaves they do not know. Some may be harmful.

Safety Rules

  1. Do not touch unknown plants carelessly.
  2. Do not eat unknown fruits.
  3. Do not play with thorny plants.
  4. Tell an adult when you see a strange plant.

F: LESSON PRESENTATION

F1: Teachers’ Activities

  1. Shows pictures of harmful plants.
  2. Explains what makes some plants dangerous.
  3. Discusses thorny plants.
  4. Warns pupils against eating unknown fruits.
  5. Demonstrates safe behaviour around plants.

F2: Pupils’ Activities

  1. Observe pictures.
  2. Identify thorny plants.
  3. Mention dangers of sharp thorns.
  4. Repeat safety rules.
  5. Answer oral questions.

G: CONCLUSION

The teacher reminds pupils that not every plant should be touched or eaten. The teacher emphasizes asking an adult before touching or eating unfamiliar plants.

H: EVALUATION GUIDE

Pupils should be able to answer the following questions:

  1. What is a harmful plant?
  2. What can thorns do to our skin?
  3. Should you eat an unknown fruit?
  4. Mention two safety rules around plants.
  5. What should you do when you see a strange plant?