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WorksheetsEvidence of Possible Chemical Changes
Total questions: 15
Worksheet time: 13mins
Which of the following is evidence of a possible chemical change?
chalk breaking
water condensing
an apple rotting
a rock cracking
Which of the following is evidence of a possible chemical change?
a new odor
chewing
compressing
glass shattering
Which of the following is evidence of a possible chemical change?
oxidation
breaking
evaporating
melting
Which of the following is NOT evidence of a possible chemical change?
bubbles
precipitate
dissolving
breaking chemical bonds
Which of the following is NOT evidence of a possible chemical change?
cracking
color change
endothermic or exothermic temperature change
oxidation
Type the silly sentence that helps you remember the evidence of possible chemical changes.
Which of the following is evidence of a possible chemical change?
Temperature increase or decrease when two substances are mixed
Water changing from a liquid to a solid in the freezer
Water warming up on the stove
Which answer choice lists evidence of two possible chemical changes?
rusting and freezing
melting and precipitate created
bubbles and precipitate formed
dissolving and evaporating
Which of the following is evidence of a possible chemical change?
paper tearing
stretching
warming when heat energy is added with a hot plate
combustion
What does a chemical change result in?
A change in state of the substance (ex. liquid to solid)
A change in texture of the substance.
A change in the way atoms are bonded to each other.
A change in the appearance of the substance.
Which of the answer choices describes a chemical reaction?
A substance changes state.
A new substance is formed.
A substance changes shape.
Which is not a clue that could indicate a chemical change has occurred?
Change in color
Change in shape
Release of energy
Formation of an odor
Which of the following is evidence of a possible chemical change?
A dark solid formed after two solutions were mixed.
A dark solid sank to the bottom of a beaker of water.
A dark solid changed shape.
Which of the following is NOT evidence of a possible chemical change?
The substance caused bubbles to form.
The substance had an endothermic temperature change.
The substance floated to the top.
When two clear liquids were poured into a test tube, the resulting liquid turned blue.
A Chemical Change is also known as a ______.
Physical Change
Physical Property
Chemical Reaction
Chemical Property
