What Is Physics?
Explore branches of physics and how it affects daily life.
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Physics Is All Around Us
Physics is the study of matter and energy and how they interact. It asks: why do things move? Why is the sky blue? How does a phone work?
Branches of Physics
- Mechanics — motion and forces
- Heat (Thermodynamics) — temperature and energy
- Waves, Sound and Light — vibrations and optics
- Electricity and Magnetism — circuits and magnets
- Modern physics — atoms, nuclei and relativity
In daily life: a ceiling fan uses mechanics; a fridge uses heat transfer; a phone uses electricity and waves.
Physics Methods
Physicists observe, measure, form hypotheses, experiment and analyse data. Measurement is the heart of physics.
Practice
List five gadgets in your home and state which branch of physics each relies on. Share and discuss with a classmate.
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Course contents
Introduction to Physics
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