Teaching science topics – kindergarten lessons, When teaching science topics to young children, provide them with lots of objects to observe, touch and ask questions about. children develop an awareness of the world around them as they explore and investigate it..
Science 4-5 – solpass, Sol 4.2 motion — key concepts: motion is described by an object’s direction and speed; changes in motion are related to force and mass;.
What wave?, So waves are everywhere. but what makes a wave a wave?what characteristics, properties, or behaviors are shared by the phenomena that we typically characterize as being a wave?.
Magnetism – physics tutorials, Magnetism ancient times greece people rock attracts iron, nickel cobalt. call “magnet “ magnetism . rocks chinese people compasses..
Similarities metals nonmetals – answers., A metal chemical element good conductor electricity heat forms cations ionic bonds -metals. cations formed electron … oss..
Atmospheric electricity – electric universe theory, Cloud ground lightning global atmospheric electrical circuit. plasma present earth’ surface. typically, lightning discharges 30,000 amperes, 100 million volts, emits light, radio waves, -rays gamma rays ..