JCE (Botswana) Properties of Materials — practice questions

Explore 2 free Properties of Materials questions in JCE (Botswana) Science. Open each question or exercise to read its content, reference answers and available explanation.

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Properties of Materials questions and exercises with answers

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A metal can be hammered out into thin sheets. What is this property called?Read the answer and worked solution →What is the melting point of a solid?Read the answer and worked solution →

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A metal can be hammered out into thin sheets. What is this property called?

Flexibility
Malleability
Durability
Conductivity

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Correct answer: B. Malleability

1. A property is a feature that describes how a material behaves. 2. Being able to be formed into sheets is called malleability. 3. Roof panels and car body panels are both made this way. 4. Conductivity describes how well a material carries heat or electricity. _Source: Siyavula Natural Sciences Grade 7 (CC BY 4.0), What are properties and why are they important?_

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What is the melting point of a solid?

The temperature at which it boils
The temperature at which it cools
The temperature at which it burns
The temperature at which it melts

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Correct answer: D. The temperature at which it melts

1. Heating a solid raises its temperature until it changes state. 2. The temperature at which it turns into a liquid is its melting point. 3. The boiling point is a different temperature, where a liquid turns into a gas. 4. Each substance has its own melting point and its own boiling point. _Source: Siyavula Natural Sciences Grade 7 (CC BY 4.0), Boiling and melting points_