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- 1. Multiple Choice
A student heats a beaker of water with a hot plate and over time, the water begins to bubble, the volume decreases and vapor is visible. This is an example of a ____________ change.
Chemical
Nuclear
Physical
Musical
- 2. Multiple Choice
Cutting a tree limb into logs is (a)____________ and burning them in the fireplace is (b)____________.
(a) A Physical Change
(b) Also a Physical Change
(a) A Physical Change
(b) A Chemical Change
(a) A Chemical Change
(b) Also a Chemical Change
(a) A Chemical Change
(b) A Physical Change
- 3. Multiple Choice
When lithium metal is dropped into a container of water, the lithium sparks and fizzes and the water begins to bubble violently. The conclusion that can be drawn from that is:
A new substance is created because this is a chemical change.
No new substances are created because there is a chemical change.
No new substances are created because this is a physical change.
A new substance is created because this is a physical change.
- 4. Multiple Choice
In this example, there is no gas produced, no temperature change, no odor, and no solids formed. This must be a _________ change.
Physical
Emotional
Hypothetical
Chemical
- 5. Multiple Choice
A white crystalline powder is mixed with water. No temperature change is observed but the solid disappears. This must be a __________ change.
Chemical
Mechanical
Physical
Electrical
- 6. Multiple Choice
When two liquids are mixed and a solid is formed, the new solid is called a ________________.
Levitate
Precipitate
Palpitate
Bad date
- 7. Multiple Choice
Percy is cutting the grass and picks up the clippings. He hates lawn work but loves the smell of cut grass. Percy has created a _________ change.
Physical
Chemical
- 8. Multiple Choice
True or false: A chemical reaction requires at least one liquid at the start.
True
False
- 9. Multiple Choice
A car swerves to avoid a collision with an oncoming vehicle and crashes into a tree. The tree falls over. The car is crunched. Liquids pour out of the car onto the street. Based ONLY on those observations, what happened here?
Physical Changes
Chemical Changes
Both Chemical and Physical Changes
- 10. Multiple Choice
Which of the following is a chemical change?
Mixing two clear liquids and forming a blue liquid
Mixing a clear liquid and white solid and getting a clear liquid
Mixing a clear liquid and a dark purple solid and getting a light purple liquid
Mixing a clear liquid with a white solid and getting a cloudy white liquid
- 11. Multiple Choice
True or false: The only chemical changes that generates light are ones that explode or generate flames.
True
False
- 12. Multiple Choice
This is a _____________ change.
Chemical
Physical
- 13. Multiple Choice
This is a __________ change.
Physical
Metaphysical
Chemical
Logical
- 14. Multiple Choice
This is a _________ change.
Magical
Chemical
Physical
Seussical
- 15. Multiple Choice
When chameleons want to hide from predators and blend into their surroundings, they are undergoing a ___________ change in the skin.
Also, they are adorable.
Physical
Chemical
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