Resource Description

GR 9 NS FINAL EXAM REVISION QUESTIONS & ANSWERS (27 PAGES)
First 13 pages only questions and next 14 pages with answers. Students can try first, then check their answers.

Matter and Materials – Elements and compounds – The Periodic Table- Names of compounds – CHEMICAL REACTIONS-  FORCES -ELECTRIC CELLS AS ENERGY SYSTEMS-RESISTANCE – SERIES AND PARALLEL CIRCUITS -SAFETY WITH ELECTRICITY – ENERGY AND THE NATIONAL ELECTRICITY GRID-  COST OF ELECTRICAL ENERGY- THE EARTH AS A SYSTEM – THE LITHOSPHERE –  Topic 17 MINING OF MINERAL RESOURCES  – THE ATMOSPHERE – BIRTH, LIFE AND DEATH OF A STAR

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R30.00