HomePrimary 4Basic Science and TechnologyMeasuring liquids Basic Science Primary 4 Second Term Lesson Notes Week 9

Measuring liquids Basic Science Primary 4 Second Term Lesson Notes Week 9

Lesson Plan: Measuring Liquids

Subject: Basic Science and Technology

Class: Basic 4 / Year 4 / Primary 4

Term: Second Term

Week: 9

Age: 8–9 years

Topic: Measurement: Measuring Liquids

Sub-Topic:

  1. Materials for measuring liquids.
  2. Metric units for measuring liquids (ml, cl, dl, L, etc.).
  3. Measuring the volume of liquids.
  4. Improvising a measuring cylinder.

Duration: 40 minutes

Behavioral Objectives

By the end of this lesson, students should be able to:

  1. Identify materials for measuring liquids.
  2. List the metric units used for measuring liquids.
  3. Accurately measure liquids using appropriate tools.
  4. Improvise a measuring cylinder using available materials.

Keywords:

  • Measurement
  • Volume
  • Milliliters (ml)
  • Centiliters (cl)
  • Deciliters (dl)
  • Liters (L)

Set Induction (5 minutes):

The teacher starts by asking, “Have you ever poured water or measured juice at home? What did you use to measure it?” Allow pupils to share their experiences and tools they used (e.g., cups, bottles). Relate their responses to today’s topic.

Entry Behavior:

Students have prior knowledge of the importance of measurement in daily life, particularly in science and cooking activities.

Learning Resources and Materials:

  • Measuring cups
  • Measuring cylinders
  • Plastic bottles with narrow necks
  • Water, food coloring, and other liquids
  • Whiteboard and markers

Embedded Core Skills:

  1. Communication and Collaboration
  2. Creativity and Imagination
  3. Critical Thinking and Problem-Solving
  4. Personal Development

Reference Materials:

  1. Lagos State Scheme of Work
  2. 9-Year Basic Education Curriculum
  3. Science and Technology Textbooks

Instructional Materials:

  1. Measuring cups
  2. Graduated measuring cylinders
  3. Improvised measuring cylinders (plastic bottles with markings)
  4. Worksheets

Measuring liquids

Content Development

  1. Definition of Liquid Measurement:
    Liquid measurement refers to determining the amount or volume of a liquid using specific tools and units of measurement.
  2. Materials for Measuring Liquids:
  • Measuring cylinders
  • Measuring cups
  • Graduated jars
  • Improvised measuring cylinders (e.g., marked plastic bottles).
  1. Metric Units of Measurement:
  • Milliliters (ml): Used for small quantities like medicine or perfumes.
  • Centiliters (cl): Suitable for small amounts of liquids in recipes.
  • Deciliters (dl): Slightly larger quantities, such as juice or milk.
  • Liters (L): Larger quantities, like water in bottles or gallons.
  1. Steps to Measure Liquids Using a Measuring Cylinder:
  • Pour the liquid into the cylinder.
  • Place the cylinder on a flat surface.
  • Check the scale at eye level to read the measurement.
  1. Improvising a Measuring Cylinder:
  • Use a plastic bottle with a narrow neck.
  • Mark the bottle with units (ml, cl) using a permanent marker.
  • Ensure markings are evenly spaced for accuracy.

Examples:

  1. A measuring spoon can measure 5 ml of syrup.
  2. A measuring cup can measure 250 ml of milk for baking.
  3. A water bottle can hold 1 L of water.
  4. 10 cl of juice can fill a small glass.
  5. A 2 L container can store soda for a party.

Evaluation

15 Fill-in-the-Blank Questions with Options

  1. The smallest unit of measurement for liquids is _______.
    a) Kiloliters b) Deciliters c) Centiliters d) Milliliters
    Answer: d) Milliliters
  2. The largest unit of measurement for liquids is _______.
    a) Milliliters b) Centiliters c) Deciliters d) Liters
    Answer: d) Liters
  3. A tool used to measure the volume of liquids is a _______.
    a) Measuring tape b) Measuring cylinder c) Ruler d) Compass
    Answer: b) Measuring cylinder
  4. Milliliters are used to measure _______ amounts of liquids.
    a) Large b) Small c) Medium d) Infinite
    Answer: b) Small
  5. Centiliters are often used in _______.
    a) Architecture b) Cooking c) Engineering d) Printing
    Answer: b) Cooking
  6. A liter is equivalent to _______ milliliters.
    a) 100 b) 500 c) 1000 d) 10
    Answer: c) 1000
  7. An improvised measuring tool can be made using _______.
    a) Ruler b) Plastic bottle c) Measuring tape d) Paper cup
    Answer: b) Plastic bottle
  8. Accurate liquid measurement is crucial in _______.
    a) Painting b) Science experiments c) Drawing d) Writing
    Answer: b) Science experiments
  9. Deciliters are commonly used for _______.
    a) Construction b) Science c) Recipes d) Cleaning
    Answer: c) Recipes
  10. The scale on a measuring cylinder is read at _______ level.
    a) Head b) Eye c) Knee d) Shoulder
    Answer: b) Eye

Class Activity Discussion

15 FAQs with Answers

  1. Q: What is the purpose of measuring liquids?
    A: To determine the accurate volume needed for tasks like cooking or experiments.
  2. Q: What tools can measure liquids?
    A: Measuring cups, measuring cylinders, and improvised tools.
  3. Q: How many milliliters are in a liter?
    A: 1,000 ml.
  4. Q: What is the most accurate tool for measuring liquids?
    A: A measuring cylinder.
  5. Q: Why must the cylinder be on a flat surface?
    A: To ensure accurate measurement.
  6. Q: What do you do if you don’t have a measuring cylinder?
    A: Use an improvised tool like a marked plastic bottle.
  7. Q: What is the abbreviation for liters?
    A: L.
  8. Q: Which unit is best for large amounts of liquid?
    A: Liters.
  9. Q: Can you measure solids with these tools?
    A: No, they are for liquids only.
  10. Q: What is the largest metric unit of liquid?
    A: Kiloliters.

Presentation Steps:

  1. Revising the Previous Topic: The teacher briefly reviews the human body’s feeding system.
  2. Introducing the New Topic: The teacher explains that today’s topic is about measuring liquids accurately.
  3. Pupil Contributions: Students share ideas about tools for measuring liquids.
  4. Teacher’s Activities: Demonstrates with tools like measuring cylinders.
  5. Learners’ Activities: Practice measuring liquids in groups.

Evaluation Questions (10 Short Answers):

  1. Name two tools used to measure liquids.
  2. What is the abbreviation for milliliters?
  3. How many milliliters are in 1 liter?
  4. What should you do before reading a measuring cylinder?
  5. What is an improvised tool for measuring liquids?
  6. Why is accuracy important in measuring liquids?
  7. Which unit is smaller: cl or dl?
  8. Name one use of liters.
  9. How do you ensure a measuring cylinder is accurate?
  10. What is the most common use of milliliters?

Conclusion:

The teacher goes around to review student measurements, marks their worksheets, and provides feedback.

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