Living Things and their Environment

Nutrition in plants - Parts of a leaf

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

- Identify the external parts of a leaf
- Draw and label the external parts of a leaf
- Show interest in the external parts of a leaf

- Collect leaves from different plants
- Observe the arrangement of leaves on plants
- Draw and label the external parts of a leaf

What are the external parts of a leaf?

- Oxford Integrated Science pg. 44
- Leaf specimens
- Charts showing leaf parts

- Observation - Oral questions - Drawings

Living Things and their Environment

Nutrition in plants - Internal structure of a leaf
Nutrition in plants - Adaptations of the leaf to photosynthesis

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

- Observe the internal structure of a leaf
- Identify the internal parts of a leaf
- Draw and label the internal parts of a leaf

- Mount a permanent slide on the stage of a light microscope
- Observe and identify the internal parts of a leaf
- Draw the transverse section of the leaf

How is a leaf structured internally?

- Oxford Integrated Science pg. 44
- Light microscope
- Permanent slide of leaf section
- Charts
- Oxford Integrated Science pg. 45
- Digital resources
- Charts showing leaf adaptations

- Observation - Drawings - Written questions

Living Things and their Environment

Nutrition in plants - Structure of chloroplast
Nutrition in plants - Process of photosynthesis

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

- Identify the parts of a chloroplast
- Draw and label the chloroplast
- Explain the functions of the parts of a chloroplast

- Study charts showing chloroplast structure
- Identify parts of the chloroplast
- Discuss functions of each part

What is the structure of a chloroplast?

- Oxford Integrated Science pg. 46
- Charts showing chloroplast structure
- Digital resources
- Oxford Integrated Science pg. 47
- Charts showing photosynthesis

- Observation - Drawings - Oral questions

Living Things and their Environment

Nutrition in plants - Testing for starch in a leaf
Nutrition in plants - Conditions necessary for photosynthesis (light)
Nutrition in plants - Conditions necessary for photosynthesis (carbon IV oxide)

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

- Test for the presence of starch in a leaf
- Explain the steps in testing for starch
- Appreciate the importance of testing for starch

- Collect a leaf exposed to sunlight
- Boil leaf in water and then in methylated spirit
- Test the leaf with iodine solution
- Observe and record results

How do we test for the presence of starch in a leaf?

- Oxford Integrated Science pg. 48
- Leaf specimens
- Methylated spirit
- Iodine solution
- Boiling tubes
- Heat source
- Oxford Integrated Science pg. 49
- Potted plant
- Aluminum foil
- Paper clips
- Materials for starch test
- Oxford Integrated Science pg. 50
- Potted plants
- Sodium hydroxide
- Polythene bags
- Rubber bands

- Observation - Practical skills - Oral questions - Written report

Living Things and their Environment

Nutrition in plants - Conditions necessary for photosynthesis (chlorophyll)
Nutrition in plants - Conditions necessary for photosynthesis (water)

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

- Show that chlorophyll is necessary for photosynthesis
- Test variegated leaves for starch
- Explain the importance of chlorophyll in photosynthesis

- Collect variegated leaves
- Test different parts of the leaf for starch
- Compare results from green and non-green parts
- Draw conclusions

Why is chlorophyll necessary for photosynthesis?

- Oxford Integrated Science pg. 51
- Variegated leaves
- Materials for starch test
- Oxford Integrated Science pg. 52
- Digital resources
- Textbooks

- Observation - Practical skills - Written report - Oral questions

Living Things and their Environment

Nutrition in plants - Importance of photosynthesis in nature
Nutrition in plants - Assessment

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

- Explain the importance of photosynthesis in nature
- Discuss how photosynthesis impacts the environment
- Appreciate the significance of photosynthesis

- Discuss how photosynthesis provides oxygen
- Explain how photosynthesis provides food
- Discuss role in reducing carbon (IV) oxide

What is the importance of photosynthesis in nature?

- Oxford Integrated Science pg. 53
- Digital resources
- Charts on importance of photosynthesis
- Oxford Integrated Science pg. 54
- Assessment questions
- Previous notes

- Oral questions - Written exercises - Group presentations

Living Things and their Environment

Nutrition in animals - Modes of nutrition
Nutrition in animals - Dentition in animals

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

- Outline different modes of nutrition in animals
- Differentiate between parasitic and saprophytic modes
- Show interest in modes of nutrition

- Search for information on modes of nutrition
- Discuss differences between modes of nutrition
- Identify examples of animals with different modes

How do different animals feed?

- Oxford Integrated Science pg. 58
- Reference textbooks
- Digital media
- Oxford Integrated Science pg. 59
- Models of different dentition
- Charts showing animal dentition
- Digital resources

- Oral questions - Written exercises - Group presentations

Living Things and their Environment

Nutrition in animals - Types of teeth
Nutrition in animals - Human digestive system
Nutrition in animals - Digestion in the mouth and stomach

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

- Identify different types of teeth in mammals
- Describe the structure and function of each type
- Draw different types of teeth

- Observe skull of cow/goat or human model
- Study charts showing different types of teeth
- Draw and label different types of teeth

What are the different types of teeth and their functions?

- Oxford Integrated Science pg. 61
- Model of human skull
- Charts showing types of teeth
- Oxford Integrated Science pg. 63
- Chart showing the human alimentary canal
- Model of human digestive system
- Oxford Integrated Science pg. 64
- Digital resources
- Charts showing digestion

- Observation - Drawings - Oral questions - Written exercises

Living Things and their Environment

Nutrition in animals - Digestion in small intestine
Nutrition in animals - Absorption and assimilation

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

- Describe digestion in the duodenum and ileum
- Explain the role of the liver and pancreas in digestion
- Show interest in the digestive process

- Discuss the role of bile and pancreatic juice
- Explain digestion in duodenum and ileum
- List the end products of digestion

How is food digested in the small intestine?

- Oxford Integrated Science pg. 65
- Digital resources
- Charts showing digestion in small intestine
- Oxford Integrated Science pg. 66
- Charts showing absorption

- Oral questions - Written exercises - Group presentations

Living Things and their Environment

Nutrition in animals - Egestion
Nutrition in animals - Importance of various modes of nutrition

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

- Explain the process of egestion
- Describe the fate of indigestible food substances
- Appreciate the role of egestion in nutrition

- Discuss the fate of undigested and indigestible food
- Explain how waste is processed in the colon
- Describe the importance of proper waste elimination

What happens to indigestible food substances?

- Oxford Integrated Science pg. 67
- Science textbooks
- Digital resources
- Oxford Integrated Science pg. 68

- Oral questions - Written exercises - Group discussions

Living Things and their Environment

Nutrition in animals - Assessment
Reproduction in plants - Parts of a flower
Reproduction in plants - Functions of flower parts

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

- Attempt questions on nutrition in animals
- Apply knowledge to explain animal nutrition
- Show confidence in their understanding

- Answer assessment questions on animal nutrition
- Discuss solutions to questions
- Review key concepts

How does understanding animal nutrition help explain food processing?

- Oxford Integrated Science pg. 68
- Assessment questions
- Previous notes
- Oxford Integrated Science pg. 71
- Flower specimens
- Hand lens
- Chart showing flower parts
- Oxford Integrated Science pg. 72
- Charts showing flower parts

- Written test - Peer assessment - Oral questions

Living Things and their Environment

Reproduction in plants - Types of pollination
Reproduction in plants - Adaptations to insect pollination

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

- Differentiate between self and cross-pollination
- Discuss characteristics of each type
- Appreciate the diversity in pollination

- Study charts showing types of pollination
- Discuss differences between self and cross-pollination
- Identify examples of each type

What are the different types of pollination?

- Oxford Integrated Science pg. 73
- Charts showing pollination
- Digital resources
- Oxford Integrated Science pg. 74
- Insect-pollinated flowers
- Hand lens
- Charts

- Oral questions - Written exercises - Group discussions

Living Things and their Environment

Reproduction in plants - Adaptations to wind pollination
Reproduction in plants - Effects of agrochemicals on pollination

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

- Identify adaptations of flowers to wind pollination
- Explain how these adaptations aid pollination
- Compare wind and insect pollination adaptations

- Collect wind-pollinated flowers
- Observe and identify adaptations
- Draw and label wind-pollinated flowers
- Compare with insect-pollinated flowers

How are flowers adapted to wind pollination?

- Oxford Integrated Science pg. 75
- Wind-pollinated flowers (grass)
- Charts showing wind pollination
- Hand lens
- Oxford Integrated Science pg. 76
- Science textbooks
- Magazines
- Digital resources

- Observation - Drawings - Oral questions - Written report

Living Things and their Environment

Reproduction in plants - Fertilization in flowering plants
Reproduction in plants - Seed and fruit formation
Reproduction in plants - Fruit and seed dispersal

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

- Describe fertilization in flowering plants
- Explain the process of pollen tube growth
- Appreciate the complexity of fertilization

- Read and discuss fertilization process
- Explain pollen tube growth and gamete fusion
- Describe steps from pollination to fertilization

How does fertilization occur in flowering plants?

- Oxford Integrated Science pg. 77
- Charts showing fertilization
- Digital resources
- Oxford Integrated Science pg. 78
- Charts showing fruit development
- Fruit specimens
- Oxford Integrated Science pg. 80
- Various fruits and seeds
- Charts showing dispersal methods

- Oral questions - Written exercises - Group discussions

Living Things and their Environment

Reproduction in plants - Importance of fruit and seed dispersal
Reproduction in plants - Role of flowers in nature

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

- Discuss the importance of fruit and seed dispersal
- Explain benefits to plant survival
- Show interest in plant reproduction strategies

- Observe plants in locality
- Compare plants with seedlings near and far
- Discuss benefits of dispersal
- Relate dispersal to survival

Why is fruit and seed dispersal important?

- Oxford Integrated Science pg. 82
- Plants in school compound
- Pictures of seedling distribution
- Oxford Integrated Science pg. 83
- Digital resources
- Flower specimens

- Oral questions - Written exercises - Group discussions

Living Things and their Environment

Reproduction in plants - Assessment
The interdependence of life - Biotic components

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

- Attempt questions on reproduction in plants
- Apply knowledge to explain plant reproduction
- Show confidence in their understanding

- Answer assessment questions on plant reproduction
- Discuss solutions to questions
- Review key concepts

How does understanding plant reproduction help explain biodiversity?

- Oxford Integrated Science pg. 84
- Assessment questions
- Previous notes
- Oxford Integrated Science pg. 91
- School compound
- Digital resources

- Written test - Peer assessment - Oral questions

Living Things and their Environment

The interdependence of life - Interrelationships between biotic components
The interdependence of life - Effects of biotic factors

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

- Identify interrelationships between biotic components
- Discuss competition, predation and parasitism
- Appreciate the complexity of interrelationships

- Study scenarios showing different interactions
- Identify types of interactions in photographs
- Discuss effects of interactions on organisms

How do living things interact with one another?

- Oxford Integrated Science pg. 92
- English dictionary
- Digital resources
- Photographs of interactions
- Oxford Integrated Science pg. 94
- Science textbooks

- Oral questions - Written exercises - Group discussions

Living Things and their Environment

The interdependence of life - Abiotic components
The interdependence of life - Energy flow (Food chains)
The interdependence of life - Energy flow (Food webs)

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

- Identify abiotic components of the environment
- Discuss effects of abiotic factors on living things
- Appreciate the role of abiotic factors

- Discuss effects of temperature, light, pH and minerals
- Study photographs of plants in different environments
- Compare plant growth under different conditions

How do non-living factors affect living organisms?

- Oxford Integrated Science pg. 96
- Digital resources
- Photographs of plants in different environments
- Oxford Integrated Science pg. 99
- School neighborhood
- Charts showing food chains
- Oxford Integrated Science pg. 100
- Charts showing food webs

- Oral questions - Written exercises - Group discussions

Living Things and their Environment

The interdependence of life - Role of decomposers
The interdependence of life - Recycling nutrients

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

- Discuss the role of decomposers in an ecosystem
- Explain how decomposers clean up the ecosystem
- Show interest in decomposition

- Study pictures of decomposition
- Identify organisms growing on a tree stump
- Discuss the role of decomposers
- Explain importance of decomposition

What is the role of decomposers in an ecosystem?

- Oxford Integrated Science pg. 102
- Pictures of decomposition
- Digital resources
- Chart showing nutrient recycling
- Science textbooks

- Oral questions - Written exercises - Group discussions

Living Things and their Environment

The interdependence of life - Effects of human activities
The interdependence of life - Effects of human activities on environment
The interdependence of life - Importance of interdependence
The interdependence of life - Assessment

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

- Identify human activities that affect the environment
- Discuss positive and negative effects of activities
- Show concern for environmental conservation

- Study charts showing human activities
- Identify activities in photographs
- List human activities affecting environment
- Categorize activities as positive or negative

How do human activities affect the environment?

- Oxford Integrated Science pg. 103
- Charts showing human activities
- Photographs
- Digital resources
- Oxford Integrated Science pg. 104
- Science textbooks
- Journals
- Oxford Integrated Science pg. 105
- Oxford Integrated Science pg. 107
- Assessment questions
- Previous notes

- Oral questions - Written exercises - Group discussions