1. The state of matter that has a definite volume, but NOT a definite shape, assuming...

 

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1. The state of matter that has a definite volume, but NOT a definite shape, assuming the shape of whatever container it occupies, is called a 2. (2 pts) Elements are pure substances whose Atoms CAN/CANNOT (Circle the correct word) be broken down or decomposed into simpler substances by chemical means. 3. (3 pts) Write the names of the elements with the following symbols: a) P b) Ca c) K 4. (4 pts) Which four of the following ARE examples of PHYSICAL change. Indicate the letters of the correct answers: a) the drying of clothes in a clothes dryer or by hanging outside in the air. b) the souring of milk that has been left out of a refrigerator on a hot day. c) the digestion of grass and hay by a dairy cow with the production of milk and manure. d) the burning of wood in a home fireplace or wood stove. e) the crumbling of the walls of a building during an earthquake. f) the rotting of overripe fruit. g) the cutting of a log into planks and boards and sawdust. h) evaporation of gasoline spilled on the ground after accidentally overfilling a car's fuel tank. 5. (2 pts) The Law of states that a given pure compound always contains the same elements combined in the same ratio. 6. (3 pts) Write the chemical symbols for the following elements: a) sulfur: b) silicon: c) sodium: 7. (4 pts) Which four of the following ARE examples of CHEMICAL change. Indicate the letters of the correct answers: a) the fermenting of apple cider into alcohol-containing apple jack. b) the corrosion of metal objects, especially of iron, left outside in the weather unprotected. c) the drying of a wet umbrella after coming in out of a rain storm. d) the formation of an ice coating on your windshield during a freezing rain. e) the cutting of lettuce, tomatoes, carrots, radishes, etc., to make a salad. f) the spoiling of eggs left at room temperature for too long. g) the breaking of a glass window when struck by a flying baseball. h) the destruction of ozone in the earth's upper atmosphere by chlorofluorocarbons (CFC's). 1. The state of matter that has a definite volume, but NOT a definite shape, assuming the shape of whatever container it occupies, is called a 2. (2 pts) Elements are pure substances whose Atoms CAN/CANNOT (Circle the correct word) be broken down or decomposed into simpler substances by chemical means. 3. (3 pts) Write the names of the elements with the following symbols: a) P b) Ca c) K 4. (4 pts) Which four of the following ARE examples of PHYSICAL change. Indicate the letters of the correct answers: a) the drying of clothes in a clothes dryer or by hanging outside in the air. b) the souring of milk that has been left out of a refrigerator on a hot day. c) the digestion of grass and hay by a dairy cow with the production of milk and manure. d) the burning of wood in a home fireplace or wood stove. e) the crumbling of the walls of a building during an earthquake. f) the rotting of overripe fruit. g) the cutting of a log into planks and boards and sawdust. h) evaporation of gasoline spilled on the ground after accidentally overfilling a car's fuel tank. 5. (2 pts) The Law of states that a given pure compound always contains the same elements combined in the same ratio. 6. (3 pts) Write the chemical symbols for the following elements: a) sulfur: b) silicon: c) sodium: 7. (4 pts) Which four of the following ARE examples of CHEMICAL change. Indicate the letters of the correct answers: a) the fermenting of apple cider into alcohol-containing apple jack. b) the corrosion of metal objects, especially of iron, left outside in the weather unprotected. c) the drying of a wet umbrella after coming in out of a rain storm. d) the formation of an ice coating on your windshield during a freezing rain. e) the cutting of lettuce, tomatoes, carrots, radishes, etc., to make a salad. f) the spoiling of eggs left at room temperature for too long. g) the breaking of a glass window when struck by a flying baseball. h) the destruction of ozone in the earth's upper atmosphere by chlorofluorocarbons (CFC's).

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