Question

Explain with the help of an activity that matter is made up of particles

Answer 1

There is a content match. The idea that all matter is made up of particles is stated explicitly a few times in theStudent Edition. Most of the instances are brief mentions made in the body of the text. The idea that “all forms of matter are made up of tiny particles that are in constant motion” is introduced as the particle model of matter in chapter 6 (p. 135s). Thereafter, the idea of particles is used to explain a few properties of substances (such as hardness and phases of matter). In chapter 7, before being introduced to the structure of the atom, students are reminded that all matter in the universe is made up of tiny particles: “A glass of water, for example, has many water particles, each too small to see” (p. 157s). The text continues by defining atoms as the building blocks of matter: