Science B, Combined (9-1) - Twenty First Century Science Suite J260 9-1: C4: Material choices Topical Past Paper Questions
OCR GCSE (9-1) Science B, Combined (9-1) - Twenty First Century Science Suite J260 (9-1) past-paper questions on C4: Material choices, free. This topic is frequently examined across 6 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
Lifeboats sometimes use tow ropes during rescues. (a)* A lifeboat organisation wants to buy a new tow rope. The tow rope must: - have a breaking force greater than 88MN • stretch easily to store energy as the boats go over waves • sink in sea water. The table shows some propertie…
(a)* A supermarket wants to buy new shopping bags for their customers. They look at some data comparing the global warming potential (GWP) of different bags. GWP is a measure that tells us the amount of greenhouse gas emissions that each bag produces over its lifetime. The stripe…
Fig. 6.1 shows the structures of diamond and methane. Fig. 6.1 (a) (i) Complete the dot and cross diagram for methane Show outer electrons only, and label each atom. (ii) Complete the table by giving the type of bonds and type of structure for diamond and methane. Use Fig. 6.1. (…
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