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Grade 8 Science Exam Review June 2012 Part A: Definitions This part of the exam will consist of both matching definitions and written definitions. All of these words will be used throughout the exam; if not in the definition section, they will be in the diagrams section or multiple-choice section. Cells & Systems Animalcule Unicellular Multicellular Plant Cell Animal Cell Organelles Nucleus Nucleolus Golgi Body Cell Membrane Cell Wall Vacuoles Chromosomes Mitochondria Lysosomes Cytoplasm Microscope Turgor Pressure Osmosis Diffusion Impermeable Permeable Selective Permeability Systems Organs Tissues Arteries Veins Capillaries Fluids Fluid Solid Liquid Gas Viscosity Density Buoyancy Pressure Viscometer Flow rate Dynamic Aerodynamic Hydrodynamic Laminar Flow Turbulent Flow Drag Streamlined Compressible Hydraulics Pneumatics Positive Negative Neutral Archimedes’ Principle Chemistry mixture solution solute solvent concentration dissolve soluble insoluble dilute saturated unsaturated supersaturated heterogeneous homogeneous concentration boiling point melting point freezing point condensation evaporation solidification vapourization qualitative quantitative filter filtrate residue 1 Name & Date: _______________________________________________________________________________ Grade 8 Science Exam Review June 2012 Part B: Diagrams Know how to complete the following charts or diagrams; some of them will be on the exam. Parts of a Microscope Plant Cell (Electron Microscope) Animal Cell (Electron Microscope) Photosynthesis Diagram Carbon Dioxide Diagram Cellular Respiration Diagram Laminar & Turbulent Flow Chart Buoyancy Diagram – pg. 111 Pressurized Fluid Systems – Hydraulic System & Heart – Pgs. 126 & 127 Venn Diagram Comparing Lungs & Pneumatic systems Changing States of Matter Classification of Matter Drawing Hetero & Homogeneous Mixtures / Solutions Methods of Separating Mixtures Qualitative & Quantitative Descriptions Part C: Multiple Choice Read all of your notes, study all of your homework questions. Reread the following text book pages as well: 1.1 – Characteristics of Living Things – Pgs. 16 & 17 1.5 – Technological Advances of the Microscope – Pgs. 24 & 25 1.7 – Cells in Their Environment – Pgs. 28 & 29 1. 12 – Cells and Cell Systems – Pgs. 40 & 41 Fluids - Power Point Handout 2.1 & 2.2– Fluid Flow 2.11 – Ups & Downs of Buoyancy 2.20 & 2.21 – Pressurized Systems The Particle Theory of Matter - Handout Pure Substances & Mixtures – Handout Saturated or Unsaturated – Handout Separating Mixtures – Handout Temperature, Heat & the Particle Theory - Handout 2 Name & Date: _______________________________________________________________________________ Grade 8 Science Exam Review June 2012 Part D: Short/Long Answer Questions Know how to answer the following questions. Some questions, from this list, will be on your exam. What are the 6 characteristics of living things? Describe Cell Theory. Who is Anton Van Leewenhoek and why is he important? What are the similarities between plant and animal cells? What are the differences between plant and animal cells? What determines the direction of water movement into or out of the cell? What are the 6 major systems of the human body? Describe cellular respiration. Describe photosynthesis. What are the four properties of fluids? Use Particle Theory to explain liquids and gases with external forces. How does the thickness of a fluid compare to its viscosity? Give an example. What does the viscosity of a fluid tell you about its flow rate? What makes and controls fluid flow in a pressurized system? What is the difference between a hydraulic and pneumatic system? Give an example of each. List the 4 points of the Particle Theory of Matter Describe a solution and how it can transition through the process of saturation. Describe the difference between a mechanical mixture and a solution. List 3 ways that heat can be produced. How can you dilute a solution? 3 Name & Date: _______________________________________________________________________________