Changes of Matter Quiz
See how well you grasp matter changes, phase shifts, particles, and mass conservation in about 10 minutes. Get a clear score from 16 real world questions with results grouped into three levels, no sign up needed.
08:30
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Once you complete the test, your results are compared with real-world data from people in your country.
Below is a preview of how scores are typically distributed across each scale.
Below is a preview of how scores are typically distributed across each scale.
Changes of Matter Knowledge (CoMK)
Changes of Matter Knowledge (CoMK)
Average
10.2
Normal range
7.8 — 12.6
min.
0
max.
16
This curve shows how scores are typically distributed.
Once you complete the test, your result will appear on the scale so you can see how you compare.
Once you complete the test, your result will appear on the scale so you can see how you compare.
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SAMPLE QUESTIONS
Example Questions From the Test
- The water molecules break apart into hydrogen and oxygen.
- The substance remains water even though its state changes.
- Melting permanently changes the substance's chemical properties.
- The liquid formed has more mass than the original ice.
- Freezing
- Deposition
- Sublimation
- Condensation
- Condensation throughout the liquid
- Evaporation from the water's surface
- Sublimation from liquid to gas
- Melting caused by moving air
WHAT THE TEST MEASURES
About This Assessment
Changes of Matter Quiz - Symptoms and Signs
Test how well you understand physical and chemical changes, states of matter, phase transitions, particle behavior, and conservation of mass. These 16 questions mix core concepts with short real-world scenarios, and your total places your knowledge in one of three result bands. No sign-up is needed. Although the supplied metadata also mentions a “chapter 4 economics quiz” and an “income effect test,” those refer to a different subject; this quiz follows the repeated Changes of Matter science focus.
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