Chemical Changes: Question Preview (ID: 5173)


Below is a preview of the questions contained within the game titled CHEMICAL CHANGES: Identify Evidence Of Chemical Changes Through Color, Gas Formation, Solid Formation, And Temperature Change. To play games using this data set, follow the directions below. Good luck and have fun. Enjoy! [print these questions]


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A student places a pan containing liquid cake batter into a hot oven. The student observes a chemical reaction when
a) the batter sticks to the pan. b) steam rises from the warm cake. c) the cake batter changes color. d) the batter sticks to the pan.
A teacher mixes two liquids which are the same temperature together in a glass. The temperature rises. The change in temperature indicates
a) a chemical change. b) a change in state of matter. c) a mixture has been produced. d) the densities of the liquids have increased.
When observing a compost pile, one can tell that the materials have undergon a chemical change when
a) vegetable peels are added. b) water is added. c) the compost pile feels warm. d) vegetable peels are added.
Which activity below does not represent a chemical change?
a) burning logs b) ripening pears c) melting ice cubes d) decaying leaves
Which observation correctly identifies evidence of a chemical change?
a) rusty metal hook becomes shiny b) ice cube melts c) magnet attracts a paper clip d) nail appears smaller when hammered into a board
A student placing an effervescent tablet into a liquid knows a chemical change has occurred if
a) the solid table dissolves. b) a mixture is produced. c) the solid tablet sinks. d) a gas is produced.
Students add baking soda to a mixture. Which observation is evidence of a chemical change?
a) The materials were mixed with a spoon. b) The ice melted. c) The water turned orange. d) The materials produced bubbles.
Which of the following is not a sign of a chemical change?
a) a change in state b) formation of heat and light c) formation of a gas d) a change in color
Which of the following is not a chemical change?
a) ice melting b) ripening fruits c) cleaning a penny with vinegar and salt d) production of light when a glow stick is used
Which of the following is a chemical change?
a) formation of rust on the USS Alabama b) water freezing c) ice melting d) water boiling
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