An acid is a chemical species that donates protons or hydrogen ions and/or accepts electrons. Acids are usually sour in taste.

Learning objective:

After completing this module, you will be able to:
- Define acids.
- List some common acids.
- Identify the properties of acids.

Keywords Acids , Litmus Paper , Sourness
Controller Required Yes
Languages English - US , 中文 , عربي , Español , Tiếng Việt
Domain K-12
Topic Code HS200059
Devices Google Cardboard with controller , Google Daydream , Samsung Gear VR , Oculus Go , Pico Goblin , EduPro , WebXR