Quick Quiz 1 A mixture is: A just one substance, like pure salt.

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Presentation transcript:

Quick Quiz 1 A mixture is: A just one substance, like pure salt. 7Ha Quick Quiz 1 A mixture is: A just one substance, like pure salt. B two or more things mixed together, like nuts and raisins. C two things joined together, like flour and sugar in a baked cake. D a lot of the same thing put together. Exploring Science 7 © Pearson Education Limited 2004

7Ha Quick Quiz 2 Salt seems to disappear if you stir it into water. Which statement is true? A The salt dissolves because it is insoluble. B The salt dissolves because it is soluble. C The salt melts because it is soluble. D The salt melts because it is insoluble. Exploring Science 7 © Pearson Education Limited 2004

Quick Quiz 3 When you add salt to water: A the salt is the solvent. 7Ha Quick Quiz 3 When you add salt to water: A the salt is the solvent. B the water is the solute. C the salt is the solute. D the water is the solution. Exploring Science 7 © Pearson Education Limited 2004

Quick Quiz 4 Filtering cannot be used to separate: 7Ha Quick Quiz 4 Filtering cannot be used to separate: A sand from a mixture of sand and water. B sugar from sugar solution. C tea leaves from a pot of tea. D leaves from a mixture of leaves and pond water. Exploring Science 7 © Pearson Education Limited 2004

Quick Quiz answers 1 A mixture is: 7Ha Quick Quiz answers 1 A mixture is: A just one substance, like pure salt. B two or more things mixed together, like nuts and raisins. C two things joined together, like flour and sugar in a baked cake. D a lot of the same thing put together. Exploring Science 7 © Pearson Education Limited 2004

7Ha Quick Quiz answers 2 Salt seems to disappear if you stir it into water. Which statement is true? A The salt dissolves because it is insoluble. B The salt dissolves because it is soluble. C The salt melts because it is soluble. D The salt melts because it is insoluble. Exploring Science 7 © Pearson Education Limited 2004

Quick Quiz answers 3 When you add salt to water: 7Ha Quick Quiz answers 3 When you add salt to water: A the salt is the solvent. B the water is the solute. C the salt is the solute. D the water is the solution. Exploring Science 7 © Pearson Education Limited 2004

Quick Quiz answers 4 Filtering cannot be used to separate: 7Ha Quick Quiz answers 4 Filtering cannot be used to separate: A sand from a mixture of sand and water. B sugar from sugar solution. C tea leaves from a pot of tea. D leaves from a mixture of leaves and pond water. Exploring Science 7 © Pearson Education Limited 2004