A) sound B) water C) energy D) inertia
A) false B) true
A) reflected B) absorbed C) all of these D) refracted
A) transferred B) absorbed C) reflected D) refracted
A) a lens that is thicker in the center and thinner at the edges and bends light inward B) a form of energy that can travel in waves and can move through empty space C) a lens that is thinner in the center and thicker at the edges and bends light outward D) the bending of light waves as they travel from one surface to another
A) a form of energy that can travel in waves and can move through empty space B) a lens that is thicker in the center and thinner at the edges and bends light inward C) the bending of light waves as they travel from one surface to another D) a lens that is thinner in the center and thicker at the edges and bends light outward
A) true B) false
A) white light B) a solar eclipse C) a rainbow D) singing in the rain
A) orange B) indigo C) brown D) green
A) it reflects blue and yellow B) it absorbs every colour of light except green C) it is recyclable D) it reflects every colour of light except green
A) blue B) violet C) green D) yellow E) red
A) convex B) asymmetrical C) concave D) opaque
A) changes from one colour to another B) moves from one medium to another C) becomes absorbed D) changes from one wavelength to another
A) it's transparent B) it's translucent C) it's blue D) it reflects
A) transparent B) opaque C) convex D) translucent
A) absorb B) translucent C) opaque D) transparent
A) transmit B) reflect C) refract D) absorb
A) They are made of cotton B) They are blue and refect white C) They reflect all colours D) They absorb all colours
A) They spread out and bend B) They switch to white light C) They slow down D) They change speed, direction, and bend |