Grade 7 Natural Science Term 2 Test + Memo
About this resource
Help your Grade 7 learner prepare for Term 2 Natural Science with this comprehensive 50-mark practice test, complete with a full memorandum. The test has a duration of 1½ hours and covers properties of materials, acids and bases, mixtures and separation methods, the Periodic Table and valence electrons.
The test covers:
- Physical properties of materials
- Strength and flexibility
- Choosing suitable materials for different purposes
- Conductors and insulators
- Density
- Melting and boiling points
- Expansion and contraction of materials
- Mixtures
- Methods of physical separation
- Sieving
- Filtration
- Magnetic separation
- Boiling point of water
- Acids, bases and neutral substances
- The pH scale
- Properties of acids and bases
- Litmus paper
- Different tastes sensed by the human tongue
- Metals and their properties
- The Periodic Table
- Metals, semi-metals and non-metals
- Elements and their symbols
- Atomic numbers
- Calcium and its role in the human body
- Boron, iodine, helium and lead
- Valence electrons
- Outer electron shells
- Valence electrons and chemical bonding
- Group 1 elements and alkali metals
- Oxygen and its valence electrons
- Carbon and its valence electrons
- Stable electron configurations
- Why some atoms are more or less reactive
Total: 50 marks | Duration: 1½ hours | Full memorandum included | PDF format.
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