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States of Matter and Particle Theory — Free MYP1 Sciences Practice Questions
1QuestionClassification of Materials like Natural or Artificial and theri usageConcept Practice
2 marks~3 minCriterion A
Look at the three materials below.
- Wood (from trees)
- Plastic (made in factories from chemicals)
- Wool (from sheep)
- Wood (from trees)
- Plastic (made in factories from chemicals)
- Wool (from sheep)
a
Identify which one of the three materials above is artificial. [1]
b
Describe one reason why wool is classified as natural. [1]
Solutions
2QuestionChanges of State Melting Boiling Condensation FreezingAssessment Practice
5 marks~8 minCriterion C
A student put an ice cube in a beaker and measured the temperature every 30 seconds.
| Time (s) | 0 | 30 | 60 | 90 | 120 | 150 | 180 | 210 | 240 | 270 |
|---|---|---|---|---|---|---|---|---|---|---|
| Temperature (°C) | −5 | −2 | 0 | 0 | 0 | 1 | 2 | 3 | 5 | 7 |
a
Name the change of state that happens to the ice cube. [1]
b
Describe what the temperature readings between 60 s and 120 s tell you about what is happening to the ice. [2]
c
A classmate says: "The ice melted at exactly 0°C." State whether you agree or disagree, and give one piece of evidence from the data to support your answer. [2]
Solutions
3QuestionClassification of Materials like Natural or Artificial and theri usageConcept Practice
2 marks~3 minCriterion D
Your family is sorting items for a recycling project. You have a wooden spoon, a plastic cup, a glass jar, and a wool sweater.
a
Identify one natural material from the list above. [1]
b
Describe one way that using wood instead of plastic for a children's toy is better for the environment. [1]
Solutions
4QuestionEnergy and Particle Movement in State ChangesConcept Practice
2 marks~3 minCriterion B
A student puts one ice cube into each of three cups. Cup A has warm water, Cup B has room-temperature water, and Cup C has cold water. The student times how long each ice cube takes to fully melt.
a
Identify the independent variable in this investigation. [1]
b
Name one variable the student must keep the same to make this a fair test. Describe why keeping it the same matters. [1]
Solutions
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