Physical Properties of Matter

Grade 1 · General Science

Semester 1 | Period 1 | Week 5

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Subject: General Science

Semester: 1

Period: 1

Week: 5


School Name:
Teacher’s Name:
Subject: General Science
Grade Level: Grade 1
Date: Week 5
Lesson Duration: 45 minutes
Week & Period: Week 5, Period 1
Topic: Physical Properties of Matter
Sub-topic: Colour and Weight

Learning Objectives
By the end of the lesson, students should be able to:
• Identify and name common colours (red, blue, green, yellow, etc.)
• Sort objects by colour
• Compare objects by weight (light and heavy)
• Sort classroom objects into light and heavy groups

Previous Knowledge
Students already know:
• They see colours in their clothes, books, and environment
• They notice that some objects are easier to carry (light) and some are harder (heavy)

Instructional Materials
• Colour flashcards (red, blue, green, yellow, black, white)
• Coloured classroom objects (crayons, balls, books, cups)
• Objects of different weights (stone vs. feather, book vs. paper, empty bottle vs. filled bottle)
• Chart showing colour names

Lesson Development – ABC Model

A – Anticipation (Warm-up / Starter)
Time: 5–10 minutes
• Teacher shows a red crayon and asks: “What colour is this?”
• Teacher shows a green ball and asks: “What colour is this?”
• Teacher gives a big book and a small feather to two pupils: “Which one is heavy? Which one is light?”
• Teacher says: “Today we will learn about colour and weight.”

B – Building Knowledge (Main Lesson Body)

Time: 25–30 minutes

Teacher’s Role and Explanation

  • Teacher introduces: “Today we will learn about colour and weight. Every object around us has a colour, and every object is either heavy or light.”
  • Teacher explains in simple words:
    • Colour tells us how something looks to our eyes.
    • Weight tells us if something is heavy (hard to carry) or light (easy to carry).
  • Teacher writes on the board: Colours: red, blue, green, yellow, black, white. Weight: heavy and light.

 

Illustrations and Demonstrations

  • For Colour:
    • Teacher shows crayons of different colours (red, blue, green, yellow, black, white).
    • Teacher holds up classroom objects: chalk (white), leaves (green), sky picture (blue), sun picture (yellow), bag (black).
    • Pupils call out the colours aloud.
  • For Weight:
    • Teacher brings a stone and a piece of paper. Pupils compare: “Stone is heavy, paper is light.”
    • Teacher shows a filled bottle of water and an empty bottle. Pupils say: “Filled bottle is heavy, empty bottle is light.”
    • Teacher lifts a chair and a book: “Chair is heavy, book is light.”

 

Learners’ Activities (Expanded)

  1. Choral Repetition (Colour Names):
    • Pupils repeat after teacher: “Red, Blue, Green, Yellow, Black, White.”
  2. Colour Matching Game:
    • Teacher places flashcards or crayons on the floor.
    • Pupils pick and match them with classroom objects of the same colour.
    • Example: Blue crayon → pupil points to a blue pen or book cover.
  3. Sorting by Colour:
    • Pupils sort crayons, toys, or books into groups (all red together, all green together).
  4. Heavy or Light Activity:
    • Pupils carry two different objects (e.g., stone and chalk box, book and feather).
    • Pupils say which one is heavy and which one is light.
  5. Sorting by Weight:
    • Teacher places two baskets labeled “HEAVY” and “LIGHT.”
    • Pupils put objects into the correct basket.
    • Example: Stone → heavy, Paper → light.
  6. Outdoor Activity (if possible):
    • Pupils look at natural things and say their colours (sky = blue, leaves = green, sun = yellow).
    • Pupils lift outdoor objects (small stick vs. big stone) and compare weights.

 

Assessment Checks (Expanded)

Teacher asks pupils orally:

  1. What colour is this crayon? (Teacher shows red, blue, or green crayon)
  2. Show me something blue in the classroom. (Book cover, pen, bag, etc.)
  3. Mention two colours you know. (Red and yellow, green and white, etc.)
  4. Which object is heavy? Which is light? (Stone vs. paper, filled bottle vs. empty bottle)
  5. Is chalk heavy or light? (Light)
  6. Is your school bag heavy or light? (Depends if full or empty)

 

Notes (Expanded & Detailed for Pupils)

  • Objects have colour and weight.
  • Colour tells us how an object looks:
    • The sun is yellow.
    • The sky is blue.
    • Leaves are green.
    • Chalk is white.
    • Some bags are black.
    • Flowers can be red.
  • Weight tells us how heavy or light something is:
    • A stone is heavy.
    • A piece of paper is light.
    • A filled bottle is heavy.
    • An empty bottle is light.
    • A chair is heavy, but a feather is light.

C – Consolidation (Conclusion & Assessment)
Time: 5–10 minutes
Summary:
• Teacher revises:
– Colours: red, blue, green, yellow, black, white
– Weight: heavy and light
• Students point to coloured objects around them and say if they are heavy or light.

Evaluation Method (Expanded):
• Exit slip/quiz: Each child names one colour and shows one object that is heavy or light.
• Teacher listens and gives oral feedback.

Assignment (Expanded):
• At home, find one object that is heavy and one object that is light. Tell your parents their colours. Share in class tomorrow.

Follow-up Activity:
• Teacher will prepare a “Colour and Weight Corner” in class with crayons, toys, stones, and papers for sorting activities.

Differentiation / Inclusive Strategies
• Use real objects for learners who struggle with flashcards.
• Allow children to point and show instead of only speaking.
• Group work for sorting tasks to ensure participation of slower learners.

Teacher’s Reflection (After Class)
• What worked well? ___________________________________________
• What needs improvement? ____________________________________
• Students’ engagement level: ☑ High ☑ Medium ☑ Low