Review and Practical Applications of Matter

Grade 3 · General Science

Semester 2 | Period 5 | Week 29

Download the Lessonotes Mobile Liberia app for faster lesson access on Android and iPhone.

Subject: General Science

Semester: 2

Period: 5

Week: 29


School Name:
Teacher’s Name:
Subject: General Science
Grade Level: Grade 3
Date: Week 29
Lesson Duration: 45 minutes
Week & Period: Week 29, Period 5
Topic: Review and Practical Applications of Matter
Sub-topic: Consolidating Knowledge and Applying Concepts

Learning Objectives
By the end of the lesson, students should be able to:
 relate matter and its properties to daily life.
 solve simple problems involving measurement of matter.
 observe and explain examples of matter changes in real-life situations.

Previous Knowledge
Students already know:
Matter has properties like length, mass, volume, and temperature that can be measured and observed.

Instructional Materials
Various objects, measuring tools, worksheets, charts showing matter in daily life, examples of melting, freezing, evaporation.

Lesson Development – ABC Model

A – Anticipation (Warm-up / Starter)
Time: 5–10 minutes
Ask learners to give examples of matter they interact with daily and what changes they notice (e.g., ice melting, water boiling).

B – Building Knowledge (Main Lesson Body)
Time: 25–30 minutes

Learners’ Activities (Expanded):

  • Learners identify matter in daily life and describe its properties (color, texture, size, shape, mass). Examples include: fruits, water, air, rocks, and cooking oil.
  • Students solve simple measurement problems using:
    • Rulers to measure length of pencils or books
    • Scales to measure mass of fruits or classroom objects
    • Measuring cylinders or cups to measure volume of water or sand
    • Thermometers to measure temperature of water or air
  • Learners observe examples of matter changing state and explain the changes, such as:
    • Ice melting into water
    • Water boiling into steam
    • Condensation of steam into water droplets
  • Optional activity: learners draw a diagram showing a solid, liquid, and gas example and label the property changes.
  • Hands-on activity: learners estimate and measure mass, volume, or length, and then discuss the results.

Assessment Checks (Expanded):

  • Ask learners to solve one measurement problem (e.g., measure length or volume) and describe a real-life change in matter (e.g., melting ice).
  • Observe learners applying concepts to practical situations, ensuring correct use of tools and proper observation of changes.
  • Ask learners to explain how matter and its properties are important in daily life.

Notes (Expanded & Detailed):

  • Understanding matter and its properties is essential for daily activities such as cooking, building, and measuring objects.
  • Practical application reinforces learning:
    • Cooking: melting butter or boiling water
    • Building: measuring wood or bricks
    • Everyday observation: noticing air filling a balloon
  • Observing changes in states of matter (melting, freezing, evaporation, condensation) helps learners understand physical changes without altering the substance chemically.
  • Encouraging learners to connect lessons to their environment strengthens comprehension and retention.
  • Reinforce the use of measurement tools accurately and safely while making observations.

C – Consolidation (Conclusion & Assessment)
Time: 5–10 minutes

Summary:
Recap matter, its properties, measurement tools, and practical examples of changes in matter.

Evaluation Method (Expanded)
Exit slip/quiz: Learners describe one property of matter, solve a simple measurement problem, and give an example of matter changing state.
Teacher will collect slips and provide oral feedback.

Assignment (Expanded)
Observe two examples of matter changing state at home and record observations, including measurements if possible.

Follow-up Activity
Create a poster showing matter, its properties, measurement tools, and examples of changes in daily life.

Differentiation / Inclusive Strategies
Provide guided practice and visual aids. Pair learners for solving measurement problems. Offer extra support to learners needing help with observation or recording data.

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