Year 9 Chemistry Reactions Test - Holy Cross College 2024 PDF

Year 9 Science - Chemistry Success Criteria **Topic Test: Chemical Reactions (15%)** **Learning intentions:** Energy appears in different forms, including movement (kinetic energy), heat and potential energy, and energy transformations and transfers cause change within systems [(ACSSU155)](https:...

Year 9 Science - Chemistry Success Criteria **Topic Test: Chemical Reactions (15%)** **Learning intentions:** Energy appears in different forms, including movement (kinetic energy), heat and potential energy, and energy transformations and transfers cause change within systems [(ACSSU155)](https://k10outline.scsa.wa.edu.au/home/teaching/codes/science/year-8/acssu155) Number Success Criteria Completed -------------------------------------- ----------------------------------------------------------------------------------------------- ----------- Acid and Bases 1 Describe the main properties of acids and bases 2 Describe acids and bases at the atomic level. 3 Use the pH scale to compare the strength of acids and bases 4 Use indicators to compare the acidity of solutions 5 Describe reactions of acids with bases (neutralisation reactions) **Chemical Reactions and equations** 6 Define products, reactants, physical, chemical change, molecule, mixture, element, compounds. 7 Describe chemical reactions. 8 Identify properties of physical and chemical changes. 9 Identify reactants and products in reactions. 10 Explain how atoms are rearranged in a chemical reaction. 11 Represent chemical equations as word and symbol equations. 12 Define Law of conservation of matter, balanced and unbalanced equation, coefficient, subscript. 13 Add up the number of atoms in an equation. 14 Identify whether a chemical equation is balanced, balance a chemical equation Acid Chemical Reactions 15 Describe the reaction of acids with bicarbonates 16 Describe the reaction of acids with metals Exothermic and Endothermic Reactions 17 Identify the basic combustion reactions 18 Incomplete or complete combustion. 19 Define endothermic and exothermic. 20 Compare the energy changes in endothermic and exothermic reactions 21 Interpret energy level diagrams.