# SNC1D Grade 9 Science Physics Test

• Static Electricity
• Different means of creating an electric charge
• Friction
• Contact
• Induction
• Law of Electric Charge
• Reading Electrostatic Series Charts
• Insulators vs. Conductors
• Induced Charge Separation & Charging conductors by Induction
• Uses of Static Electricity
• Cleaning Air Pollution
• Spray-Painting
• Lightning Rods
• Photocopiers
• Current Electricity
• Difference between Static and Current Electricity
• Parts of an Electric Circuit
• Sources of Energy
• Connectors
• Switches

Open vs. Closed Circuits

• Voltmeters
• How to attach them, what they do, S.I. units
• Ammeters
• How to attach them, what they do, S.I. units
• Calculations:
• Ohm’s Law: V=IR
• Graphing Voltage vs. Current
• Drawing Electric Circuit Diagrams
• Series vs. Parallel circuits
• Cells in series vs. cells in parallel – how are they attached?
• Patterns for current and voltage for both series and parallel:
• Series: Vtotal = ?, Itotal = ?, Rtotal = ?
• Parallel: Vtotal = ?, Itotal =?
• Resistance and Resistors – Factors and their effects, Definitions, Equations
• Electrical Energy – definition and calculations
• Electrical Power – definition and calculations
• Percentage Efficiency – definition and calculations