Grade 7 · Science · Pure substances and mixtures | QuizPrint

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Grade 7 Science: Pure substances and mixtures QuizPrint.CA Ontario curriculum: Science and Technology (2022) · Matter and Energy C2 — demonstrate an understanding of pure substances and mixtures and of physical methods of separating mixtures NameDateScore 1. A mixture contains... 2. Is salt water a mixture or an element? 3. Why read labels before mixing cleaners? 4. Dev stirs sand into shampoo. Which method separates the sand from the liquid? 5. What is a molecule? 6. Isla dissolves salt in oil. The salt is the... 7. A solution is called saturated when... 8. A centrifuge separates parts of a mixture by spinning it quickly. This works because... 9. A colloid such as milk differs from a suspension because in a colloid the particles... 10. Lucas stirs sand into broth. Which method separates the sand from the liquid? Sign in to manage students and save worksheet results. Fresh practice from quizprint.ca. Unofficial practice — not a ministry test or resource. Answer key Grade 7 Science: Pure substances and mixtures Ontario curriculum: Science and Technology (2022) · Matter and Energy C2 — demonstrate an understanding of pure substances and mixtures and of physical methods of separating mixtures Question numbers match the worksheet. 1.B) two or more substances not chemically bonded as one new substance 2.D) a mixture 3.A) some mixtures produce dangerous gases 4.C) filtration 5.A) two or more atoms bonded together 6.C) solute 7.D) no more solute will dissolve at that temperature 8.D) denser parts are forced to the outside of the tube 9.C) stay spread out instead of settling to the bottom 10.B) filtration Keep this page if you are printing for a child. Fresh practice from quizprint.ca. Unofficial practice — not a ministry test or resource.

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