Intro to Chemistry: Grade 6 ICSE

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Chemistry basics for beginners

Bhagyashri Manohar

India

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Intro to Chemistry: Grade 6 ICSE


Froggy Jumps Intro to Chemistry: Grade 6 ICSEVersion en ligne Chemistry basics for beginners par Bhagyashri Manohar 1 What is chemistry the study of? a The science of rocks and fossils. b The study of matter, its composition, properties, and changes. c The study of living organisms. 2 What is an atom? a The smallest unit of a compound. b A molecule of water. c The smallest unit of an element that retains its properties. 3 What is a molecule? a Two or more atoms joined together. b A single atom. c A pure element. 4 Which state of matter has a definite shape and volume? a Solid b Liquid c Gas 5 What is a pure substance? a A solution. b A mixture of substances. c A substance with only one kind of particle. 6 What is a mixture? a Two or more substances not chemically combined. b A pure element. c A substance with uniform composition. 7 Which state of matter has no fixed shape or volume? a Liquid b Solid c Gas 8 Which statement about acids is true? a Acids and bases are the same. b Base turns blue litmus red. c Acid turns blue litmus red. 9 What happens to mass in a chemical change? a Mass doubles after reaction. b Mass disappears during reactions. c Mass cannot be created or destroyed. 10 What is a key lab safety rule? a Ignore spills and proceed. b Eat snacks during experiments. c Always wear safety goggles.