Year 9 Semester 2 Exam Revision Statements PDF
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This document is a revision guide for a Year 9 science exam. It contains a list of key concepts that students should be able to demonstrate understanding of. Topics covered include atoms and elements, the Earth's processes, and ecosystems.
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**Year 9 Semester 2 Exam "I can" Statements** To go into the Year 9 semester 2 exam with maximum confidence, make sure you can answer "yes" to each of the "I can..." statements below. There will be three 6 mark SOLO style longer response questions, 20 marks of skills questions and 30 marks of mult...
**Year 9 Semester 2 Exam "I can" Statements** To go into the Year 9 semester 2 exam with maximum confidence, make sure you can answer "yes" to each of the "I can..." statements below. There will be three 6 mark SOLO style longer response questions, 20 marks of skills questions and 30 marks of multiple choice style questions. ------------------------------------------------------------------------------------------------------------------------------ **I can...** **Can I?** ----------------------------------------------------------------------------------------------------------------- ------------ **Atoms and Elements, and Matter and Society** Identify the number of protons and neutrons in an atom from atomic number and atomic mass Identify how the number of protons, neutrons and electrons determine the type of atom (element), isotope or ion Describe the arrangement of protons, neutrons and electrons inside atoms Identify types of radiation and what materials they penetrate Explain what makes radiation dangerous to living organisms Identify the benefits and disadvantages of nuclear power generation Identify the reactions occurs in nuclear reactors, atomic bombs and inside stars Identify some scientists who pioneered work on the periodic table and radiation **The Changing World** Identify the structure and layers of the Earth Explain evidence for plate tectonics Identify what causes continental plate movement Identify the structures and processes that occur in seafloor spreading Identify types of plate boundaries and what occurs at each using diagrams Identify how plate boundaries contribute to seismic and volcanic activity Define the terms active, dormant and extinct volcano **Ecosystems** Identify abiotic and biotic features of ecosystems Define the terms autotroph, heterotroph, producer, consumer and decomposer Define the terms habitat, community, ecosystem, food chain, and food web Describe energy transfer in an ecological pyramid Outline using examples how matter is cycled through ecosystems\ e.g. the water cycle, carbon cycle **Working Scientifically** Interpret diagrams to extract meaning Draw a graph and use it to predict missing information and trends Identify data represented as a graph from data in a table Use logical reasoning to solve problems ------------------------------------------------------------------------------------------------------------------------------