Grade 7 Chapter 7 Study Guide

Chapter 7 Study Guide

Classes 7A, 7B, 7C, 7D have their test on Thursday February 19th
Class 7E has their test on Friday February 20th.

Key Terms

·         change of state

·         condensation

·         deposition

·         dissolve

·         evaporation (vaporization)

·         freezing (solidification)

·         gas

·         heat

·         heterogeneous

·         homogeneous

·         kinetic energy

·         liquid

·         matter

·         mechanical mixture

·         melting

·         mixture

·         particle

·         particle theory of matter

·         pure substance

·         solid

·         solidification

·         solution

·         sublimation

·         temperature

Please review the following:

1. Classifying mixtures: pure substances and mixtures, heterogeneous and homogeneous mixtures, provide examples of these substances
2. Review the "pure substances: worksheet in the package
3. The changes of state and the diagram in the package; review which changes of state require heat and which require heat to be removed to occur
4. Understand how and why substances change state according the the particle theory
5. The difference between heat and temperature
6. Review the motion and behaviour of particles in solids liquids and gases