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Class 7 The World of Metals and Non-metals worksheet
CBSE Science. Properties of metals and non-metals, rusting and its prevention, oxides, elements and uses. Every sheet has 20 questions in three sections and an answer key, and the numbers change every time.
Sample questions
Real questions from this chapter, as the app sets them. Tap Answer to see the answer and working.
Section A · multiple choice
- 1.
Metals can be beaten into thin sheets. This property is called:
- sonority
- lustre
- ductility
- malleability
Answer
(d) malleability
- 2.
Which of these is a METAL?
- gold
- glass
- paper
- plastic
Answer
(a) gold
- 3.
Which of these is a NON-METAL?
- iron
- gold
- plastic
- iodine
Answer
(d) iodine
Section B · short answer
- 4.
Name four properties of metals.
Answer
They are lustrous, malleable, ductile, sonorous and good conductors of heat and electricity (any four).
- 5.
Write "metal", "non-metal" or "neither": (a) gold (b) phosphorus
Answer
(a) metal (b) non-metal
Section C · long answer
- 6.
Describe an experiment to show that both air and water are needed for rusting.
Answer
Take three bottles with an iron nail each. A: with a drying agent like silica gel (dry air only). B: in boiled, cooled water with oil on top (water only, no air). C: partly in water, open (air and water). After 8–10 days, only the nail in C has rusted, so both air and water are needed.
Fresh sheets for your child
In the app, every The World of Metals and Non-metals sheet is new: the app remembers the questions your child has already had and leaves them out. Print the sheet as a PDF, or use notebook mode and write the answers in a notebook.
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