Froggy Jumps
Science 7: Particle & Cells Quiz BlitzVersion en ligne
MC quiz on matter, cells, solutions
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1. Which main idea from the Particle Model of Matter must students use when viewing blocks, water, and air?
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2. Why is a visual model of particles helpful in science?
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3. When a liquid is heated, which change is most accurate in particle motion?
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4. What is the change of state when liquid wax cools into a solid candle?
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5. Why does condensation occur when steam meets a cold surface?
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6. After a rain shower, why does a puddle shrink on a warm day?
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7. What sequence best describes heating a solid to a gas with increasing particle motion?
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8. When freezing, which statement is scientifically best?
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9. Where should weight and color change notes appear in a science report?
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10. Why must experimental steps be clear and ordered?
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11. For measuring exactly 25 mL of water, which tool and unit are best?
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12. How is a fair test designed to compare paper towel absorption?
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13. In a saltwater mixture, what is the solid salt called?
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14. If sugar dissolves completely and more can dissolve, what is this solution?
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15. Which formula calculates concentration by mass in a solution?
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16. What does the word solubility mean?
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17. To speed up dissolving of sugar in water, which action helps?
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18. Which indicators identify acidic, basic, or neutral solutions?
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19. Why does crushed salt dissolve faster than large chunks?
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20. Which statement correctly clarifies stirring and solubility?
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21. Why test a clear liquid with litmus paper rather than judging by sight?
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22. If red litmus turns blue, how is the liquid classified?
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23. To keep a test fair, which condition must stay the same when comparing dissolving rates?
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24. Which practice shows safe handling of litmus tests?
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25. In an experiment, crushed salt dissolved faster than large crystals. What is best supported?
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26. Why is the statement that heating always increases solubility incorrect?
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27. Which plan keeps a fair test when exploring particle size and dissolving speed?
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28. What is the main job of objective lenses on a microscope?
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29. Why hold a classroom microscope with one hand on the arm and the other under the base?
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30. Which objective should you start with to locate a sample on a slide?
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31. Which step in the microscope procedure should be corrected?
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32. What is the recommended storage plan for a compound microscope?
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33. Which organelle would you expect to see only in a plant cell on a leaf slide?
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34. What is the hard outer layer that helps plant cells keep shape?
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35. In a drawing of onion and cat muscle cells, which part must be present to hold genetic information?
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36. Why do plant cells look like boxes under a light microscope?
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37. Why are stains added when preparing cells for microscopy?
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38. Which part would you expect only in an onion cell but not in a cheek cell?
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39. Which group contains parts found in both onion and cheek cells?
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40. A cell with a cell wall, chloroplasts, cell membrane and nucleus is classified as?
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41. If Cell X has a cell wall and chloroplasts, and Cell Y does not, which is correct?
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42. If a cell has a nucleus, is it necessarily an animal cell?
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43. Which plan is scientifically accurate for a plant vs. animal cell diagram?
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44. What does unicellular mean in a water sample?
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45. Which is an example of a unicellular organism?
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46. Why do big living things have multicellular bodies with specialized cells?
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47. How should a pond organism be classified if it divides within one cell?
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48. What does Organism A (one cell) vs Organism B (many cells) evidence show?
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49. Why is it wrong to claim all microscopic organisms are unicellular?
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50. What is the best strategy to determine if a specimen is unicellular or multicellular?
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