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Physical/Chemical

Physical and Chemical Changes

QuestionAnswer
Give an example of a chemical change. paper being burned
What happens when a piece of wood burns? a chemical change takes place
Kim puts an ice cube in a beaker and it melts. This is a good example of what kind of change. a physical change
Vinegar is an acid that bubbles when it interacts with calcite. Name a mineral that contains calcite? limestone
Give an example of a liquid turning into a gas. steam escaping from a cub of hot chocolate
What happens when water boils? The liquid water becomes a gas
Give an example of a solid turning into a liquid. ice melting into water
If you dissolved a lot of salt in some water in a large flat dish and put the dish in bright sunlight of a hot day, what would be left in the dish after a long time? dry salt
Give an example of MELTING. heating a block of ice until the ice turns to water
William put a sugar cube in a cup of hot water. After a period of time, what happened to the sugar cube? it dissolved
Give an example of an object that would be likely to rust. an iron nail
When is iron most likely to rust? when it's damp
When materials combine to form new compounds it is a chemical change. Give an example of a chemical change. baking powder fizzing
Which substance is made by people? a. wood b. oxygen c. copper d. plastic plastic
Which answer makes a correct statement? a. physical change only changes the size b. physical change only changes the color c. physical changes begin and end with the same matter. d. physical changes change the matter into something totally different c. physical change occurs when the water evaporates and leaves the baking soda
When two substances such as water and baking soda are combined, what occurs when the water evaporates? A physical change occurs when the water evaporates and leaves the baking soda.
What type of change will occur when an ice cube melts and becomes a liquid? a physical change
As water vapor condensates it forms clouds. What might happen next? it rains
In a chemical change, what would happen if you mixed two substances? they would form a new compound or substance
Rust on a bicycle is an example of what kind of change? a chemical change
Created by: christal9480
 

 



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