MATTER, ENERGY AND LIGHT

WHAT IS MATTER?

NATURAL AND ARTIFICIAL MATERIALS

LET´S PLAY

PLAY

RENEWABLE AND NON- RENEWABLE  SOURCES OF ENERGY

LIGHT ENERGY 

(WHAT IS WHITE LIGHT?)

NATURAL AND ARTIFICIAL SOURCES OF LIGHT

OPAQUE, TRANSPARENT AND TRANSLUCENT MATERIALS

REFRACTION OF LIGHT

REFLECTION OF LIGHT

ANOTHER VIDEO FOR REFLECTION AND REFRACTION

CONCAVE MIRRORS

SOUND ENERGY

WHAT IS SOUND?

WHERE DOES ENERGY COME FROM?