Atoms, Molecules and the Particulate Nature of Matter for SS 1
Matter consists of particles: atoms combine to form molecules, and particle spacing and motion help explain differences among solids, liquids and gases.
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Time Measurement, Units and Measuring Instruments for SS 1
Time is measured in seconds using clocks, stopwatches and timers. Accurate experiments require suitable instruments and consistent timing procedures.
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Electric Charge, Charging Methods and Electrostatics for SS 1
Electric charge may be positive or negative. Friction, contact and induction redistribute charge; unlike charges attract and like charges repel.
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Motion, Types of Motion, Forces and Friction for SS 1
Motion is a change in position over time; forces can alter movement. Friction opposes relative motion and may be useful for grip or…
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Speed, Velocity and Motion Graphs for SS 1
Speed measures distance travelled per unit time, whereas velocity includes direction. The gradient of a distance-time graph indicates speed.
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Rectilinear Acceleration and Equations of Motion for SS 1
Acceleration is the rate at which velocity changes. For constant acceleration, equations connect initial velocity, final velocity, time and distance.
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Scalar and Vector Quantities and Their Differences for SS 1
Scalars such as mass and time have magnitude only. Vectors such as force and displacement have both magnitude and direction and require directional…
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Fluids, Surface Tension, Viscosity and Fluid Flow for SS 1
Surface tension makes liquid surfaces resist stretching, while viscosity resists flow. Fluid speed and behaviour depend on these properties and conditions.
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Topographical Maps, Scale, Direction and Map Symbols for SS 1
Topographic maps use contours to show relief, symbols to represent features and scale to calculate distance. A north arrow helps establish direction.
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GIS, GPS and Geospatial Technologies for SS 1
GPS estimates positions from satellite signals; GIS combines spatial information into maps and analyses patterns useful for planning and navigation.
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Fundamental and Derived Quantities, SI Units and Conversions for SS 1
Fundamental SI quantities include length, mass and time. Derived quantities such as speed and force combine base units, so conversions must remain consistent.
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Position, Distance and Displacement on the Coordinate Plane for SS 1
Distance is the total length travelled, while displacement gives the straight-line change in position and direction between starting and finishing points.
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