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Science 2017

Describe the structure of atoms. Electrons and protons make up the nucleus.
Name some of the historical developments of the atomic theory. J.J Thompson - Plum Pudding Model. John Dalton - electrified water using a battery.
What can atoms be represented by? What part of an element is an atom? Their atomic number. The smallest unit of an element.
What is the organisation of the of the elements in the periodic table using their atomic number? It reads from left to right. Hydrogen is on the very left, then helium is on the very right etc. It reads from left to right.
What is the structural formula, empirical formula and structure? SF - CH3CH2CH3, EP - C3H8, S - H-C-C-C-H
What is the definition of abiotic? Non-living
What is the definition of biotic? Living
Describe how energy flows through ecosystems. Approx 10% etc.
What is an example a biotic and abiotic factor? Biotic is digestion, abiotic is the water cycle.
Strategies used to conserve the environment include... International collaboration, re-using and recycling, and raising awareness of the environmental issues.
Created by: T Greenfield