Grade 7 Science Pure Substances and Mixtures

For children in Grade 7 learning about matter and energy.

From the Curriculum:

By exploring the distinction between pure substances and mechanical mixtures and solutions, students will come to recognize that most matter is either a solution or a mechanical mixture – including most foods and drinks and many medicines, cosmetics, building materials, and cleaning agents.

Big Ideas:

  • Matter can be classified according to its physical characteristics.
  • The particle theory of matter helps to explain the physical characteristics of matter.
  • Pure substances and mixtures have an impact on society and the environment.
  • Understanding the characteristics of matter