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Salt is added to water and dissolves. This is evidence of:
melting
has shrunk in size
gas
it is now made of a softer substance
rusting
chemical change
physical change
It melts into water.
A balloon is placed in a freezer. What is the evidence a physical change has occurred?
melting
has shrunk in size
gas
it is now made of a softer substance
rusting
chemical change
physical change
It melts into water.
An iron nail rusts when left outdoors Why might the nail no longer be useful?
melting
has shrunk in size
gas
it is now made of a softer substance
rusting
chemical change
physical change
It melts into water.
An ice cube is left on a table for an hour. What evidence shows a physical change takes place?
melting
has shrunk in size
gas
it is now made of a softer substance
rusting
chemical change
physical change
It melts into water.
Three chemicals are mixed together and the resulting mixture is a different color. What is this evidence of?
melting
has shrunk in size
gas
it is now made of a softer substance
rusting
chemical change
physical change
It melts into water.
Two chemicals are combined and bubbles form. What is the state of the product?
melting
has shrunk in size
gas
it is now made of a softer substance
rusting
chemical change
physical change
It melts into water.
Which of the following is an example of chemical change?
melting
has shrunk in size
gas
it is now made of a softer substance
rusting
chemical change
physical change
It melts into water.
Which of the following is not a chemical change?
melting
has shrunk in size
gas
it is now made of a softer substance
rusting
chemical change
physical change
It melts into water.
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Match it!
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