Description:

This document provides a detailed, well-organized set of Grade 9 science notes covering all types of forces and related concepts in matter and particles. Perfect for students looking to master the foundations of physics and chemistry, these notes include:

	•	Types of forces: applied, friction, normal, gravitational, tension, and more

	•	Contact and non-contact forces explained with clear examples

	•	Particle concepts: protons, neutrons, electrons, and their roles in matter...