The relationship between the mass of objects and their velocityKeywords (English): mass – speed – momentum – motion – physics

The effect of the mass of bodies in collisionKeywords (English): mass effect – collision – momentum – impact force

Proving the law of levers by using spring balanceKeywords (English): lever law – spring balance – force – arm – fulcrum

Energy transformations in Newton's pendulumKeywords (English): Newton’s cradle – energy transfer – collision – motion

Effect of light on the appearance of chlorophyll in some plantsKeywords (English): chlorophyll – light – photosynthesis – plant pigments

Parallel Connection This video shows how to conduct the experimentKeywords (English): parallel connection – electric circuits – voltage – current

Series connection

ThermometerKeywords (English): thermal ammeter – current measurement – heating effect

Endothermic reactionsKeywords (English): endothermic reactions – energy absorption – thermal change

Electric CircuitKeywords (English): electric circuit – components – voltage – current

Energy transformations in devicesKeywords (English): energy transformations – electrical devices – heat – light – motion

Store energy in devicesKeywords (English): energy storage – batteries – chemical energy

Wind and water millsKeywords (English): wind turbines – watermills – kinetic energy – renewable energy

Series connection

Parallel connection

Gravity and MagnetismKeywords (English): gravity – magnetism – attractive forces – physics

Gravity between the sun, earth and moonKeywords (English): gravity – sun – Earth – moon – orbital motion

Direction of gravitational influenceKeywords (English): gravity direction – force – downward motion – mass

Water filter designKeywords (English): water filter model – purification – filtration – gravel – charcoal

The water cycleKeywords (English): water cycle – evaporation – condensation – precipitation

Moon phasesKeywords (English): moon phases – crescent – full moon – new moon

Investigate the movement of the sun using the shadowKeywords (English): sun movement – shadow tracking – time – direction

Compare densitiesKeywords (English): density comparison – mass – volume – materials

Keywords: Chemical change – Reaction – Reactants – Products – Evidence