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5 EDUCATIONAL AREAS

5.6 HUMANS AND NATURE

5.6.1 PHYSICS

Educational content of the educational field Stage 2

SUBSTANCES AND BODIES Expected outcomes

pupils will

use suitably chosen measuring instruments to make certain important physical measurements of substances and bodies

give specific examples of phenomena proving that substance’s particles are constantly moving and mutually influencing each other

predict an object’s change in length or volume given a specific change in temperature

knowledgeably apply the relationship between density, mass and volume in order to solve practical problems

Subject matter

measured quantities – length, volume, mass, temperature and change in temperature, time

states of substances – relationship of substances’ state to their molecular structure; diffusion

MOTION OF BODIES FORCES

Expected outcomes pupils will

determine the type of motion a body makes in relation to another body

knowledgeably apply the relationship between speed, direction and time for solving problems related to the uniform motion of bodies

measure the magnitude of a force

determine the types of forces acting on a body in certain simple situations, as well as their magnitude, direction and resultant force

apply Newton’s laws to simple situations in order to determine and predict changes in the motion of bodies in response to a constant resultant force

Subject matter

motion of bodies – uniform and non-uniform motion; rectilinear and curvilinear motion

gravitational field and force of gravity – direct proportion between gravitational force and a body’s mass

compressive force and pressure – relationship between compression force, pressure and the contents of a surface on which the force acts

force of friction – friction, influencing the magnitude of friction in practice

resultant of two forces of the same and opposite directions

Newton’s Laws – First, Second (qualitatively), Third Laws of Motion

equilibrium on a lever and fixed pulley

MECHANICAL PROPERTIES OF FLUIDS Expected outcomes

pupils will

apply their knowledge of pressure on a fluid at rest in order to solve specific practical problems

predict a body’s behaviour within a fluid at rest based on an analysis of the forces acting on the body

Subject matter

Pascal’s Law – hydraulic equipment

hydrostatic and atmospheric pressure – the connection between hydrostatic pressure, depth and the density of a liquid; the connection of atmospheric pressure and certain atmospheric processes

Archimedes’ Principle – buoyant force; immersion, suspension and floating in a fluid at rest

ENERGY

Expected outcomes pupils will

using simple examples, determine the work performed by a force and derive the resultant change in the body’s energy

knowledgeably apply the relationship between power, work and time

solve specific problems and tasks while applying their knowledge of mutual conversions of various forms of energy and energy transfer

using simple examples, determine the heat absorbed or emitted by a body

evaluate the advantages and disadvantages associated with the use of various sources of energy from the viewpoint of their environmental impact

Subject matter

forms of energy – kinetic and potential energy; internal energy; electrical energy and power;

production and transmission of electrical energy; nuclear energy, nuclear fission, nuclear reactor, nuclear power plant; protecting humans against radioactive radiationf

state changes – melting and solidification, latent heat of melting; evaporation and condensation; main factors influencing evaporation and boiling point of liquids

renewable and non-renewable sources of energy

SOUND-RELATED PROCESSES Expected outcomes

pupils will

identify sources of sound in their surroundings and qualitatively analyse a given environment’s suitability for sound diffusion

evaluate the possibility of reducing the environmental impact of excessive noise Subject matter

properties of sound – the necessity of a medium for the diffusion of sound, speed of sound in various mediums; deflection of sound from a barrier, echo; sound absorption; pitch

ELECTROMAGNETIC AND OPTICAL PROCESSES Expected outcomes

pupils will

use a diagram to build an electrical circuit and analyse a diagram of an actual circuit

differentiate between alternating and direct current and measure electrical current and voltage

differentiate between conductors, insulators and semiconductors on the basis of an analysis of their characteristics

use Ohm’s law for part of a circuit when solving practical problems

apply in practice their knowledge of the effects of a magnetic field on a magnet and a coil containing a current, as well as the influence of changes in the magnetic field surrounding a coil on the induction of voltage

properly connect a semiconductor diode

apply the law of the rectilinear propagation of light in a uniform optical medium and the law of reflection in order to solve problems and tasks

decide, based on their knowledge of the speed of light in two different media, whether light will be refracted towards the normal or away from it, an use this fact in analysing the path of light through a set of lenses

Subject matter

electrical circuit – source of voltage, elements, switch

electric and magnetic fields – electric and magnetic force; electric charge; heat effects of electric current; electric resistance; direct current electromotor; transformers; safe conduct when working with electrical devices and equipment

properties of light – sources of light; speed of light in a vacuum and in various mediums;

shadow, solar and lunar eclipses; reflection imaging on a plane, concave and convex mirrors (qualitative); refraction by thin converging and diverging lenses (qualitative); dispersion of white light by a prism

THE UNIVERSE Expected outcomes pupils will

using their knowledge of gravitational forces, qualitatively expound on the motion of the planets around the Sun and of moons around planets

differentiate stars from planets based on their characteristics Subject matter

the solar system – main components; phases of the Moon

stars – their composition