Bella is running. and the graph tells about her journey. What can you tell about point B to C? what could possibly Bella do here?
stop. rest.
what stays the same in the graph? choose: amplitude / frequency / loudness / pitch
frequency and pitch
TRUE OR FALSE: the pitch is getting higher from X to Y.
False
TRUE OR FALSE: The loudness is decreasing from Y to X.
False
Describe the loudness of the sound from X to Y.
it is getting quieter / decreasing in loudness
This process shown here is called
dispersion
what is the word equation for this reaction?
iron + oxygen + water ----> hydrated iron oxide
Element.
2 / 6
mixtures of element
1 / 3
compound.
5
mixtures of element and compound
7
Mention the law of reflection.
the incident ray, normal line, and reflected ray, all lie on the same plane. The angle of incidence equals the angle of reflection.
TRUE OR FALSE: as the light goes through the glass block, it will bend toward the normal line.
true
