# Sound waves notes

> CAPS-aligned study notes for Sound waves in Grade 11 Technical Sciences. Browse the sections below for explanations, worked examples and exam preparation.

- Page: https://www.hlayiso.com/grade-11/technical-sciences/notes/sound-waves

Breadcrumbs: [Home](https://www.hlayiso.com/) › [Grade 11](https://www.hlayiso.com/grade-11) › [Technical Sciences](https://www.hlayiso.com/grade-11/technical-sciences) › [Notes](https://www.hlayiso.com/grade-11/technical-sciences/notes) › [Sound waves](https://www.hlayiso.com/grade-11/technical-sciences/notes/sound-waves)

## Sections in Sound waves

Each entry shows the free preview (about 200 characters). Create a free Hlayiso account to read the full notes, practise every question and track your progress.

- [Properties of Sound Waves and Echoes](https://www.hlayiso.com/grade-11/technical-sciences/notes/sound-waves/properties-of-sound-waves-and-echoes) — Properties of Sound Waves and Echoes Sound is one of the most familiar types of waves in our everyday experience. From conversations to music to the rumble of thunder, sound waves are all around us.…
- [Pitch, Loudness and Frequency](https://www.hlayiso.com/grade-11/technical-sciences/notes/sound-waves/pitch-loudness-and-frequency) — Pitch, Loudness and Frequency Ranges Sound is caused by vibrations. These vibrations travel through a medium as longitudinal waves, causing parts of our ear to vibrate so we can hear and interpret…

## Other Technical Sciences topics

- [Introduction to mechanics and sign conventions](https://www.hlayiso.com/grade-11/technical-sciences/notes/introduction-to-mechanics-and-sign-conventions)
- [Vectors and resultant of forces](https://www.hlayiso.com/grade-11/technical-sciences/notes/vectors-and-resultant-of-forces)
- [Resolution of forces and friction](https://www.hlayiso.com/grade-11/technical-sciences/notes/resolution-of-forces-and-friction)
- [Magnets and the magnetic field](https://www.hlayiso.com/grade-11/technical-sciences/notes/magnets-and-the-magnetic-field)
- [Pulses and waves](https://www.hlayiso.com/grade-11/technical-sciences/notes/pulses-and-waves)
- [Electrostatics](https://www.hlayiso.com/grade-11/technical-sciences/notes/electrostatics)
- [Electric circuits](https://www.hlayiso.com/grade-11/technical-sciences/notes/electric-circuits)
- [Ohm's law and circuit calculations](https://www.hlayiso.com/grade-11/technical-sciences/notes/ohms-law-and-circuit-calculations)
- [Heat and specific heat capacity](https://www.hlayiso.com/grade-11/technical-sciences/notes/heat-and-specific-heat-capacity)
- [Thermodynamics](https://www.hlayiso.com/grade-11/technical-sciences/notes/thermodynamics)
- [Classification of matter](https://www.hlayiso.com/grade-11/technical-sciences/notes/classification-of-matter)
- [Oxidation and reduction](https://www.hlayiso.com/grade-11/technical-sciences/notes/oxidation-and-reduction)

## Frequently asked questions

### What is covered in Sound waves for Grade 11 Technical Sciences?

The Sound waves section covers all key concepts from the Grade 11 Technical Sciences CAPS curriculum, including detailed explanations, worked examples, and exam preparation tips.

### Are the Sound waves notes free?

Yes. Each section has a free preview, and a free Hlayiso account lets you read the full notes.

### How do these notes help with exam preparation?

Our Sound waves notes are CAPS-aligned and include worked examples, common mistakes to avoid, and exam tips — everything you need to prepare for your Grade 11 Technical Sciences exams.

### Are there quizzes for Sound waves?

Yes. Hlayiso has quizzes for Sound waves in Grade 11 Technical Sciences. Test your understanding after reading the notes.

---

Hlayiso: free CAPS and IEB past papers, memos, notes and study guides for South African learners. When citing, link the page URL above, not a PDF or /api/ URL.