1) What is transparent? a) Glass b) Wood c) Metal d) Stone 2) What is opaque? a) Air b) Water c) Brick d) Plastic 3) What is translucent? a) Frosted glass b) Mirror c) Cardboard d) Steel 4) Which material casts shadows? a) Opaque b) Transparent c) Translucent d) All of them 5) Which lets all light pass? a) Opaque b) Transparent c) Translucent d) None 6) Which lets some light pass? a) Opaque b) Transparent c) Translucent d) None 7) What blocks all light? a) Opaque b) Transparent c) Translucent d) None 8) Example of translucent? a) Wax paper b) Clear glass c) Metal d) Brick 9) Example of opaque? a) Wood b) Plastic wrap c) Clear plastic d) Water 10) Example of transparent? a) Air b) Cardboard c) Frosted glass d) Stone

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