How to learn Vuosiluokat 7–9: Science
Perusopetuksen opetussuunnitelman perusteet 2014 (Finnish national core curriculum for basic education): Kemia (Chemistry), Vuosiluokat 7–9
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1. Aineiden ominaisuudet ja rakenne
- Pure Substances & Mixtures: Distinguish between pure substances and mixtures, identify formulations as useful mixtures with precise compositions, and use melting and boiling points to test for purity
- The Carbon Cycle: Describe the carbon cycle, tracing carbon through photosynthesis, respiration, feeding, decomposition, and combustion, and explain the role of each process
2. Aineiden ominaisuudet ja muutokset
- Physical vs Chemical Changes: Distinguish between physical changes (reversible, no new substances formed) and chemical changes (new substances formed, often irreversible), using conservation of mass to understand both types
- Acids, Alkalis & pH: Define acids and alkalis in terms of hydrogen ion concentration, describe the pH scale (0–14), and explain how indicators are used to identify and measure acidity or alkalinity