Revision and Review Basic Science Primary 5 First Term Lesson Notes Week 12

Week 12: Revision of All Topics Covered

Term: First Term
Week: 12
Subject: Basic Science
Class: Primary 5
Duration: 1 hour 30 minutes

Part A: Review and Revision

15 FAQs with Answers

1. What is environmental quality?
   Environmental quality refers to the state of the environment, including air, water, and land. A healthy environment means clean air, safe water, and uncontaminated land.
2. What are some advantages of a healthy environment?
   A healthy environment provides clean air to breathe, clean water to drink, and safe land to grow food. It also supports wildlife and helps people stay healthy.
3. What is erosion?
   Erosion is the process where soil and rock are worn away by wind, water, or ice. It can change landscapes and damage land.
4. What causes erosion?
   Erosion is caused by factors like heavy rainfall, strong winds, and human activities such as deforestation and construction.
5. How can we control erosion?
   Erosion can be controlled by planting trees, using erosion barriers, and managing land use carefully.
6. What is land pollution?
   Land pollution occurs when waste materials like litter and chemicals contaminate the land. It can harm plants, animals, and humans.
7. How does noise pollution affect us?
   Noise pollution, like loud sounds from traffic or factories, can cause hearing loss, stress, and sleep problems.
8. What are the types of waste?
   Types of waste include organic waste (like food scraps), recyclable waste (like paper and plastic), and non-biodegradable waste (like batteries).
9. What is pollination?
   Pollination is the transfer of pollen from the male part of a flower to the female part. It helps plants reproduce and grow fruits and seeds.
10. What are some agents of pollination?
    Agents of pollination include insects (like bees), wind, and water.
11. How can we recycle waste?
    We can recycle waste by sorting materials like paper, plastic, and glass, and then processing them to make new products.
12. Why is it important to prevent water pollution?
    Preventing water pollution keeps our water clean and safe for drinking, swimming, and supporting aquatic life.
13. What are some sources of air pollution?
    Sources of air pollution include car exhaust, factory smoke, and burning of waste.
14. How does waste affect the environment?
    Waste can pollute the land, water, and air, and harm plants, animals, and people. Proper disposal and recycling help reduce this impact.
15. What are some ways to maintain a healthy environment?
    Ways to maintain a healthy environment include recycling, reducing waste, conserving water, and planting trees.

Part B: Objective Questions (15 Marks)

Instruction: Fill in the blanks with the correct option (a, b, c, or d).

1. The process where soil and rock are worn away by natural forces is called ______.
   a) Recycling
   b) Erosion
   c) Pollution
   d) Composting
2. ______ is an example of land pollution.
   a) Factory smoke
   b) Littering
   c) Noise from traffic
   d) Dirty water
3. The main agents of pollination are ______.
   a) Wind and water
   b) Plants and soil
   c) Rocks and soil
   d) Light and heat
4. To control erosion, you can ______.
   a) Plant trees
   b) Cut down trees
   c) Leave land bare
   d) Increase deforestation
5. The part of a flower that attracts pollinators is called the ______.
   a) Sepal
   b) Petal
   c) Stigma
   d) Anther
6. ______ is a common effect of noise pollution.
   a) Clean air
   b) Hearing loss
   c) Healthy plants
   d) Freshwater
7. Materials that decompose naturally are called ______.
   a) Recyclable waste
   b) Biodegradable waste
   c) Non-biodegradable waste
   d) Hazardous waste
8. Pollination by insects is known as ______.
   a) Anemophily
   b) Entomophily
   c) Hydrophily
   d) Zoophily
9. The process of turning waste into new products is called ______.
   a) Incineration
   b) Composting
   c) Recycling
   d) Disposal
10. A source of air pollution is ______.
    a) Wind
    b) Car exhaust
    c) Flowers
    d) Sunlight
11. The process of transferring pollen from one flower to another is called ______.
    a) Self-pollination
    b) Cross-pollination
    c) Germination
    d) Photosynthesis
12. Water pollution can be caused by ______.
    a) Factory smoke
    b) Noise
    c) Chemicals in water
    d) Land littering
13. Waste that cannot be broken down by nature is called ______.
    a) Biodegradable
    b) Recyclable
    c) Non-biodegradable
    d) Organic
14. A way to dispose of waste safely is to ______.
    a) Burn it
    b) Bury it
    c) Recycle it
    d) Leave it on the ground
15. To prevent air pollution, you should ______.
    a) Increase use of vehicles
    b) Plant more trees
    c) Burn more waste
    d) Use more plastic bags

Part C: Theory Questions (15 Marks)

Instruction: Answer the following short answer questions.

1. What is the meaning of erosion?
2. How can we control land pollution in our community?
3. Name two effects of noise pollution on human health.
4. What are the different types of waste, and how can they be managed?
5. Describe the process of pollination in flowers.
6. What are the main sources of water pollution?
7. How can recycling help in reducing waste?
8. List three ways to prevent air pollution.
9. Explain the importance of maintaining a healthy environment.
10. What materials are often used to keep a school environment clean?
11. How does erosion affect the environment?
12. Name and describe one method of waste disposal.
13. What is the role of petals in a flower?
14. How can composting benefit the environment?
15. Why is it important to prevent water pollution?

Part D: True or False Questions (15 Marks)

Instruction: Write True or False for each statement.

1. Erosion only affects plants.
2. Recycling helps to reduce the amount of waste in landfills.
3. Noise pollution can be caused by loud music.
4. All types of waste decompose easily.
5. Pollination helps plants to reproduce.
6. Water pollution can be caused by chemicals.
7. The petals of a flower help to attract pollinators.
8. Air pollution can improve plant growth.
9. Composting is a method of recycling waste.
10. Land pollution includes pollution from water and air.
11. All plants use insects for pollination.
12. Biodegradable waste does not decompose over time.
13. Pollination by wind is called anemophily.
14. Recycling is not helpful in reducing waste.
15. Plants cannot grow in polluted soil.

Note to Teacher: Ensure that pupils attempt all parts of the assessment. Review the answers with them and provide feedback to help improve their understanding of the topics covered.