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- 1. Multiple Choice
Which of the following examples represents a physical change?
- 2. Multiple Choice
Which of the following is evidence of a physical change?
new substance
shape change
light produced
gas released
- 3. Multiple Choice
A teacher is demonstrating physical and chemical changes to her class. Which action should they use to demonstrate a chemical change?
Cutting a piece of paper with scissors.
Folding a piece of paper into an airplane.
Ripping a piece of paper with their hands.
Burning a piece of paper with a match.
- 4. Multiple Choice
A physical change is
a change where the characteristics do not change the substance
a change where the characteristics do change the substance
a change where the chemistry changes
- 5. Multiple Choice
What is the definition of chemical change?
any change that results in the formation of one (or more) new chemical substance(s)
changing of only the appearance of the object
matter cannot be created or destroyed, only change form
changes affecting the form of a chemical substance, but not its chemical composition
- 6. Multiple ChoiceWhich of these is an example of a new substance being formed?a nail rustinga wall being paintedwater changing to steampaper being folded
- 7. Multiple Choice
Which example best illustrates a physical change?
iron rusting
charcoal burning
an ice cube melting
a marshmallow burning
- 8. Multiple Choice
A glass bottle that is shattered is a
Chemical Change
Physical Change
- 9. Multiple Choice
Baking soda and vinegar combining to make carbon dioxide is a
Chemical Change
Physical Change
- 10. Multiple Choice
Which of the following are examples of chemical changes? Select all that apply!
Iron Rusting
Gas Burning
Breaking a Glass
Boiling Water
Burning Wood
- 11. Multiple Choice
Sugar dissolving in water is a
Chemical Change
Physical Change
- 12. Multiple Choice
Identify the change shown in the picture.
Irreversible physical change
Irreversible chemical change
reversible physical change
reversible chemical change
- 13. Multiple Choice
Which one describes a physical change?
A change where the chemical makeup of an object changes.
A change where the characteristics do not change the substance.
A change where the substance turns into something new.
The composition of the object changes.
- 14. Multiple Choice
Which of the following is NOT an indicator of chemical changes?
Unexpected color change
Dissolving
Light production
Gas formation
- 15. Multiple Choice
Select ALL the characteristics of a physical change.
changes in appearance only
a new substance is not created
changes the pH level
chemical bonds are not created or broken
burning and fire
- 16. Multiple Choice
In a chemical reaction, the number of atoms in the reactants and the products...
Must be the same
Must be different
- 17. Multiple Choice
Which of these is NOT a sign of a chemical reaction?
A phase change
Formation of a precipitate
A color change
A temperature change
- 18. Multiple Choice
To change from one state of matter to another state of matter is called?
phase change
potential change
kinetic change
thermal change
- 19. Multiple ChoiceWhich of the following chemical formulas represents a compound?C3O2CH3CHOH2
- 20. Multiple Choice
What is a mixture?
substances that are not chemically bonded and can be separated
substances that are chemically bonded and can be separated
substances that are not chemically bonded and can not be separated
substances that are chemically bonded and can not be separated
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