Revision Basic Science Primary 4 First Term Lesson Notes Week 11

Basic Science Primary 4 First Term Revision

Week: 11
Class: Primary 4
Term: First Term


Part A: Review and Revision

15 FAQs with Answers

  1. Q: What is evaporation?
    A: Evaporation is when water changes from a liquid to a gas.
  2. Q: How does condensation occur?
    A: Condensation happens when water vapor cools down and turns back into liquid water.
  3. Q: What is freezing?
    A: Freezing is the process where water changes from a liquid to a solid.
  4. Q: What makes water pure?
    A: Pure water has no color, taste, or smell.
  5. Q: What are weather symbols?
    A: Weather symbols represent different weather conditions like sun, rain, and clouds.
  6. Q: What is the role of a thermometer?
    A: A thermometer measures the temperature.
  7. Q: What do we use a rain gauge for?
    A: A rain gauge measures the amount of rain that falls.
  8. Q: How can you see condensation?
    A: You can see condensation on a cold glass when water droplets form on the outside.
  9. Q: What is a life cycle?
    A: A life cycle is the series of stages an insect goes through from egg to adult.
  10. Q: Why do plants change?
    A: Plants change due to growth, weather, and seasons.
  11. Q: What does a cloud symbol mean?
    A: A cloud symbol means there might be clouds in the sky, sometimes indicating rain.
  12. Q: What is the main difference between temporary and permanent changes?
    A: Temporary changes can be reversed, but permanent changes cannot.
  13. Q: What happens during the melting process?
    A: Melting is when a solid turns into a liquid, like ice turning into water.
  14. Q: What do we call the change of water from gas to liquid?
    A: This process is called condensation.
  15. Q: How do insects change as they grow?
    A: Insects change through stages like egg, larva, pupa, and adult.

Part B: Objective Questions

15 Fill-in-the-Blank Questions

  1. Evaporation changes water from a liquid to a ________.
    a) Solid
    b) Gas
    c) Liquid
    d) Vapor
  2. Condensation turns water vapor into ________.
    a) Ice
    b) Gas
    c) Liquid
    d) Steam
  3. ________ is the process where water changes from a liquid to a solid.
    a) Melting
    b) Freezing
    c) Evaporation
    d) Condensation
  4. Pure water has no ________, taste, or smell.
    a) Color
    b) Temperature
    c) Sound
    d) Shape
  5. A ________ measures the temperature of the air.
    a) Rain gauge
    b) Thermometer
    c) Barometer
    d) Wind vane
  6. The symbol for rain is usually shown as a ________.
    a) Sun
    b) Cloud with drops
    c) Snowflake
    d) Thermometer
  7. ________ happens when you cool water below 0°C.
    a) Condensation
    b) Freezing
    c) Evaporation
    d) Melting
  8. A rain gauge helps us measure ________.
    a) Temperature
    b) Wind speed
    c) Rainfall
    d) Air pressure
  9. ________ is the process where ice turns into water.
    a) Freezing
    b) Melting
    c) Condensation
    d) Evaporation
  10. To observe condensation, use a ________ surface.
    a) Hot
    b) Warm
    c) Cold
    d) Dry
  11. The symbol for wind is usually a ________.
    a) Cloud
    b) Arrow
    c) Sun
    d) Thermometer
  12. The life cycle of an insect includes stages like egg, ________, pupa, and adult.
    a) Larva
    b) Seed
    c) Leaf
    d) Flower
  13. Water changing from a gas to a liquid is called ________.
    a) Freezing
    b) Melting
    c) Condensation
    d) Evaporation
  14. To show evaporation, you should heat ________.
    a) Ice
    b) Water
    c) Air
    d) Soil
  15. A simple weather symbol for snow is often shown as a ________.
    a) Snowflake
    b) Sun
    c) Cloud
    d) Raindrop

Part C: Theory Questions

15 Short Answer Questions

  1. Explain what happens during evaporation.
  2. Describe how condensation can be observed on a cold glass.
  3. What is freezing and how does it affect water?
  4. Why is pure water considered pure?
  5. How do weather symbols help in understanding weather conditions?
  6. What is the function of a rain gauge?
  7. Describe the life cycle stages of an insect.
  8. How can you demonstrate condensation at home?
  9. What is the main difference between temporary and permanent changes?
  10. How does temperature affect the state of water?
  11. What is the purpose of a thermometer?
  12. How do plants change with the seasons?
  13. Explain how freezing is different from melting.
  14. What do weather symbols for clouds and rain look like?
  15. How do insects change as they grow from larvae to adults?

Part D: True or False Questions

15 True or False Questions

  1. True or False: Evaporation changes water from a liquid to a gas.
  2. True or False: Condensation happens when water vapor turns into ice.
  3. True or False: Freezing turns water from a solid to a liquid.
  4. True or False: Pure water has a distinct taste and smell.
  5. True or False: A rain gauge measures the amount of rain.
  6. True or False: The symbol for snow is a sun.
  7. True or False: Melting occurs when ice turns into water.
  8. True or False: A thermometer measures wind speed.
  9. True or False: The life cycle of an insect includes the pupa stage.
  10. True or False: Condensation can be seen as droplets on a cold glass.
  11. True or False: Water vapor is a form of liquid water.
  12. True or False: Freezing occurs when water turns into a solid.
  13. True or False: Weather symbols help us understand what kind of weather to expect.
  14. True or False: The symbol for rain is usually shown as a cloud with drops.
  15. True or False: Insects change through stages like egg, larva, pupa, and adult.

These questions and answers cover the key concepts taught this term, providing a comprehensive review to help students consolidate their knowledge

  1. Weather refers to the conditions in the __________ at a particular place and time.
    • a) Oceans
    • b) Atmosphere
    • c) Mountains
    • d) Deserts
  2. A tool used to measure temperature in weather is called a __________.
    • a) Barometer
    • b) Compass
    • c) Thermometer
    • d) Hydrometer
  3. In weather forecasting, a cloud with raindrops symbolizes __________ weather.
    • a) Sunny
    • b) Snowy
    • c) Rainy
    • d) Windy
  4. Keeping weather records helps scientists track and understand __________ weather patterns.
    • a) Daily
    • b) Monthly
    • c) Long-term
    • d) Weekly
  5. The symbol for clear skies and sunny weather on a forecast is usually a __________.
    • a) Moon
    • b) Sun
    • c) Star
    • d) Cloud
  6. The amount of moisture in the air is known as __________.
    • a) Wind
    • b) Humidity
    • c) Temperature
    • d) Precipitation
  7. Weather instruments help us measure different aspects of the __________.
    • a) Earth
    • b) Ocean
    • c) Atmosphere
    • d) Soil
  8. A weather vane is used to measure the __________ of the wind.
    • a) Direction
    • b) Speed
    • c) Temperature
    • d) Humidity
  9. Weather records are essential for making accurate __________ about future conditions.
    • a) Predictions
    • b) Observations
    • c) Experiments
    • d) Measurements
  10. The symbol for a thunderstorm on a weather forecast is often represented by a __________.
    • a) Lightning bolt
    • b) Snowflake
    • c) Sun
    • d) Wind
  11. A hygrometer is a weather instrument used to measure __________ in the air.
    • a) Temperature
    • b) Wind speed
    • c) Humidity
    • d) Precipitation
  12. Weather conditions can change from day to day and __________.
    • a) Hour to hour
    • b) Month to month
    • c) Year to year
    • d) Week to week
  13. In weather forecasts, a symbol with a cloud and a snowflake represents __________.
    • a) Sunny weather
    • b) Rainy weather
    • c) Snowy weather
    • d) Foggy weather
  14. The study of weather and climate is known as __________.
    • a) Geology
    • b) Meteorology
    • c) Astronomy
    • d) Ecology
  15. Weather records include information on temperature, precipitation, wind speed, and __________.
    • a) Cloud types
    • b) Ocean currents
    • c) Soil composition
    • d) Mountain ranges

Content:

  1. Introduction (5 minutes):
    • Recap the importance of studying weather.
    • Discuss the relevance of weather in our daily lives.
  2. Presentation (15 minutes):
    • Display visual aids showing different weather conditions and symbols.
    • Introduce common weather instruments and their uses.
  3. Teacher’s Activities (15 minutes):
    • Explain the meanings of various weather symbols.
    • Demonstrate how to use basic weather instruments.
    • Discuss the importance of maintaining weather records.
  4. Learners’ Activities (10 minutes):
    • Engage students in a Q&A session about weather concepts.
    • Allow hands-on exploration of weather instruments

Assessment:

  • Participation in class discussions.
  • Observation of students’ interaction with weather instruments.

Evaluation:

  • Assess students based on their ability to define weather terms.
  • Evaluate their understanding of weather symbols and instruments

Conclusion:

  • Summarize key points about weather concepts.
  • Reinforce the significance of observing and recording weather patterns.

Homework:

  • Ask students to keep a simple weather diary for a week, noting daily conditions.