chemistry 0.0 / 5 ? ChemistryChemical patterns and reactivity seriesGCSEAQA Created by: JessicawhitfieldCreated on: 27-03-18 17:16 How is igneous rock formed? It is formed from cooled magma. 1 of 14 (physics) What does a balanced force mean? There will be no change in the object 2 of 14 What does an unbalanced force mean? There will be a change in the object. One force is stronger than the other 3 of 14 What unit do you measure force in? Newtons 4 of 14 How do you measure movement? force X distance from pivot 5 of 14 How do you measure speed? distance / time 6 of 14 What is meant by the term work? Work is done if a force has acted on an object and there has been a change in that object 7 of 14 What is a contact force? One object touching another 8 of 14 What are non-contact forces? Forces which act over a distance. E.g gravity 9 of 14 Magnets have two poles. What happens if you put a North and a North together? They repel 10 of 14 What happens if you put a South and a North together? They attract (opposites attract) 11 of 14 When does static electricity happen? When an object gains or loses electrons 12 of 14 If two objects with the same charge are brought together, what will happen? They will repel 13 of 14 If two objects with different charges are brought together, what will happen? They will attract 14 of 14
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