1) Perfume is sprayed in one part of a room, yet soon it spreads so that you can smell it everywhere. a) Diffusion b) Osmosis 2) The movement of particles from an area of high concentration to low concentration a) Diffusion b) Osmosis 3) The movement of water molecules across a selectively permeable membrane is called a) Diffusion b) Osmosis 4) Osmosis occurs across a cell membrane a) True b) False 5) If you place a wilted carrot stick in water, water will go across the cell membrane into the plant, making it firm again a) Diffusion b) Osmosis 6) Water goes across the cell membrane into cooking noodles, making them bigger and softer. a) Diffusion b) Osmosis 7) Diffussion can occur with or without a cell membrane a) True b) False 8) A drop of food coloring spreads throughout the water in a glass so that, eventually, the entire glass will be colored. a) Diffusion b) Osmosis 9) When cooking and salt is placed in water, the salt dissolves and the particles move until they are evenly distributed even throughout stirring a) Diffusion b) Osmosis 10) Diffusion is a special form of Osmosis  a) True b) False 11) When making a cup of tea, particles from the tea cross the cell membrane from the tea bag and spread throughout the cup of water. a) Diffusion b) Osmosis 12) Osmosis is a special form of Diffusion a) True b) False 13) Carbon dioxide bubbles will leave from an open soda, causing it to taste flat. a) Diffusion b) Osmosis 14) A helium balloon deflates a little bit every day as helium diffuses through the cell membrane of the balloon into the air. a) Diffusion b) Osmsosis 15) When prefume is sprayed in a room, it will a) disappear into your nose b) spread throughout the room c) sink into the ground 16) When ink is added into water, it will a) spread to one side b) disappear immediately c) spread until even on all sides 17) When a raisin is place in PURE water, it will a) get bigger and turgid (firm) b) get smaller and flacid (flimsy) c) NOT change at all 18) When a raisin is place in SALT water, it will a) get bigger and turgid (firm) b) get smaller and flacid (flimsy) c) NOT change at all

Diffusion and Osmosis Quiz

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