Mastering Material Properties & The Periodic Table Guide
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24 cards
Question: What is meant by the 'properties' of a material?
Answer: Properties are the characteristics of a material that allow us to tell it apart from other materials and judge suitability for uses.
Question: What does 'acidic' mean for a solution?
Answer: A solution formed when an acid is dissolved in water; it has a pH of less than 7.
Question: What does 'alkaline' mean for a solution?
Answer: A solution formed when an alkali is dissolved in water; it has a pH of more than 7.
Question: What is the boiling point of a substance?
Answer: The temperature at which a substance changes from liquid to gas (evaporates) and vice versa (condenses).
Question: What does it mean if a material is 'brittle'?
Answer: A material that is hard but easily broken.
Question: What is a 'conductor' in terms of materials?
Answer: A material that electricity and heat can pass through easily.
Question: How is 'density' defined?
Answer: The mass of a substance divided by its volume; more dense substances feel heavier for their size (measured in kg/m³).
Question: What does 'ductile' mean?
Answer: A material that can be stretched into wires.
Question: What does 'dull' describe about a surface?
Answer: A surface which does not reflect light; not shiny.
Question: How is a 'hard' material described?
Answer: A material that is firm and not easily broken, cut, or pierced.