Welcome to WeLearn.et — Ethiopia’s modern and student-centered learning platform designed to make Physics simple, enjoyable, and confidence-building for Grades 7–12. Our courses turn difficult ideas into clear, short explanations supported by animations, guided examples, worksheets, and exam-style practice. Whether you are studying for school assessments or preparing for future national exams, WeLearn.et gives you the support, clarity, and motivation you need to succeed.

Here, every student learns at their own pace, with easy explanations, real-life examples, and instant feedback that make Physics feel meaningful and exciting.

Grade – 9 Physics : Unit-by-Unit Summary

Unit 1: Physics and Human Society

Physics is introduced as a living science that shapes technology, communication, transportation, health, and daily life. Students learn how physics developed through history and why it remains essential for innovation. This unit builds curiosity and helps learners see physics everywhere around them.

Unit 2: Physical Quantities

Students learn the basic tools of all scientific work: units, measurement, precision, accuracy, and unit conversions. With simple explanations and guided practice, learners build strong foundational skills that make problem-solving easier throughout the year.

Unit 3: Motion in a Straight Line

This unit explains how things move—using distance, displacement, speed, velocity, acceleration, and graphs. Students use everyday examples to understand motion clearly and confidently. Easy step-by-step solutions help remove fear from numerical questions.

Unit 4: Force, Work, Energy, and Power

Learners explore how forces act on objects, how work is done, and how energy changes form. Newton’s laws, friction, kinetic energy, and power are introduced in simple, real-world language. This unit strengthens logical thinking and prepares students for engineering-style reasoning.

Unit 5: Simple Machines

Students discover how tools like levers, pulleys, gears, and inclined planes make work easier. They learn mechanical advantage and efficiency in a clear, practical way. This unit helps students understand how machines at home, school, and workplaces operate.

Unit 6: Mechanical Oscillations and Sound Waves

Students explore vibrations, waves, and how sound travels through different materials. Concepts like frequency, amplitude, echoes, and resonance are explained with musical, environmental, and everyday examples that make learning enjoyable and memorable.

Unit 7: Temperature and Thermometry

This unit introduces temperature scales, heat effects, different thermometers, and thermal expansion. Students learn how temperature measurement works in daily life—from cooking to weather to safety. Clear examples help them understand and apply the concepts easily.

Why Students Learn Better on WeLearn.et

Short, simple explanations for every topic
Clean summaries that reduce confusion
Step-by-step solved examples and exam-style practice questions
Interactive activities and animations that bring physics to life
Accessible learning for all students — slow, average, and fast learners
Confidence-building support that prepares students for higher grades and national exams

Join Us on WeLearn.et

Start learning physics the smart way, the easy way, and the enjoyable way.
Join thousands of students across Ethiopia who are improving their understanding, boosting their grades, and preparing for success with WeLearn.et.