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- 1. Multiple Choice
What term goes on the y-axis? (A)
Heat(Energy)
Temperature
Phase
Type of Matter
- 2. Multiple Choice
What phase of matter exists in part C of the graph?
Gas
Liquid
Solid
Plasma
- 3. Multiple Choice
What phase of matter exists in part D of the graph?
Gas
Liquid
Solid
Plasma
- 4. Multiple Choice
What phase change occurs when you start at D and end at E?
Freezing
Melting
Condensing
Vaporization
- 5. Multiple Choice
What phase change occurs when you start at D and end at C?
Freezing
Melting
Condensing
Vaporization
- 6. Multiple Choice
On which parts of the graph does the temperature remain the same?
Between C and D
Between D and E
At C, D, or E
On both flat sections
- 7. Multiple Choice
On which parts of the graph does the temperature change?
Between C and D
Between D and E
At C, D, or E
On both flat sections
- 8. Multiple Choice
The temperature changes the most during a phase change.
True
False
- 9. Multiple Choice
A student has two liquids at the same temperature of 25°C. After the student mixes them, the temperature rises to 35°C. What type of reaction occurred?
Exothermic
Endothermic
There is no way to tell
- 10. Multiple Choice
A student has two liquids at the same temperature of 25°C. After the student mixes them, the temperature lowers to 18°C. What type of reaction occurred?
Exothermic
Endothermic
There is no way to tell
- 11. Multiple Choice
In an ______ reaction, energy is lost and we feel the surroundings getting warmer.
Exothermic
Endothermic
- 12. Multiple Choice
In an ______ reaction, energy is gained and we feel the surroundings getting colder.
Exothermic
Endothermic
- 13. Multiple Choice
Bonds that are formed ____ energy, and bonds that are broken _____ energy.
Absorb, absorb
Absorb, release
release, release
release, absorb
- 14. Multiple Choice
-2264 kJ
2264 kJ
-86 kJ
86 kJ
- Answer choicesTagsAnswer choicesTags