Materials — Metals and Non-metals
Science · Grade 7 · Week 31 · 25 questions
Fibres — natural and synthetic — are the raw materials that become the clothes and fabrics we use daily. Understanding fibres connects chemistry to everyday materials science.
What you'll practise
- Distinguish between natural and synthetic fibres
- Describe how fibres are processed into fabric
- Identify properties of different fibre types
- Understand the production of common fabrics
All 25 questions in this Materials — Metals and Non-metals quiz
Grade 7 Science — Materials — Metals and Non-metals: 25 practice questions with instant scoring and explanations.
- Which is a physical property of metals?
- Non-metals are generally
- Which metal is liquid at room temperature?
- Metals can be hammered into thin sheets due to
- Which non-metal is essential for respiration?
- The reactivity series shows the order of
- Sodium is more reactive than iron because
- Which metal is used in thermometers?
- Non-metals are typically
- An alloy is a mixture of
- Which is an alloy?
- Copper is used for electrical wiring because it is
- Which metal is the best conductor of electricity?
- Metals form positive ions by
- Which is a chemical property of metals?
- Carbon is classified as a
- The most reactive metal is
- Rust forms due to reaction of iron with
- Ductility is the property that allows metals to be
- Which non-metal forms diatomic molecules?
- Steel is an alloy of
- Noble gases are non-metals that are
- Which property allows metals to conduct heat?
- Sulfur is a non-metal used in
- Metals generally have
Question 1 of 250 correct so far