Chemistry : Chemical Reactions 2
Overview
This topic focusses on what chemical reactions are and how to evidence a chemial change occurring. Students will build upon their knowledge from year 7 (Chemical reactions 1) and touch upon different types of chemical reactions. There will be a practical element to this topic and the students will look at a variety of exothermic and endothermic chemical reactions and be able to show from their results which type of reaction has occurred.Towards the end of this topic students will appreciate why different methods are needed to extract metals from their ores.
The main SMSC/Personal Development content of this topic includes:PD15 – Sense of enjoyment and fascination in learning about themselves, others and the world around them, PD16 – Use of imagination and creativity in their learning and PD17 – Willingness to reflect on their experiences.
The main UN Rights of a Child covered are No.13 – sharing thought freely and No. 28 – Access to Education.
Example Key Words
Endothermic
A chemical reaction which absorbs energy from the surroundings.
Exothermic
A chemical reaction which releases energy to the surroundings.
Reactant
A substance that takes part in and undergoes change during a reaction.
Product
Products are the substances formed from chemical reactions.
Oxidation
Oxidation is the loss of electrons during a reaction by a molecule, atom or ion.
Rusting
Iron oxidsing in the prescene of water to form hydrated iron (III) oxide. A form of corrosion.