Observations into & Identifying Testable Hypotheses
Quiz by Kristy Roberts
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7 questions
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- Q1Susan observed that after she accidentally spilled some water onto a paper towel holding tomato seeds, some of the seeds germinated. What question can she ask about this observation that will lead to a testable hypothesis?What is the average number of days tomato seeds take to germinate?How much water did she spill onto the paper towel?What percentage of seeds germinated?On what other surfaces will moistened seeds germinate?30s
- Q2Josephine observed that she woke up in the middle of the night with a leg cramp on a day during which she did not consume any milk or yogurt. She normally consumes both milk and yogurt everyday. What question can she ask about this observation that will lead to a testable hypothesis?How much calcium is recommended daily by the United States Department of Agriculture?Which food contains more calcium per calorie, milk or yogurt?Are leg cramps caused by insufficient calcium intake?What is the best way to relieve a leg cramp?30s
- Q3Randy planted a poinsettia in a pot without drainage holes. He observed that over the course of a month, many of the plant’s leaves turned yellow. What question can she ask about this observation that will lead to a testable hypothesis?What material was the pot made from?How does the amount of sunlight a plant receives affect the color of its leaves?How often do poinsettias need water?Does excess water around the plant’s roots prevent it from taking in adequate nutrients?30s
- Q4Which question would be a testable scientific investigation answer?How does heat energy move through a material?Which colors like to be mixed together?Does the plant enjoy being moved into the sun?Do germs try to make people sick?30s
- Q5Alfonso observed that cleaning a shower with bleach gets rid of mold that grows along the sealant around the shower door. What question can he ask about this observation that will lead into a testable hypothesis?What kind of mold typically grows in showers?How often do showers need to be cleaned with bleach?Is bleach toxic to other organisms?What household cleaning products contain bleach?30s
- Q6All along a hillside leading down into wetlands, Jimmy noticed very few shrubs and none of these were salmonberry. Once Jimmy reached 2 meters from the very bottom of the hill he began to encounter salmonberry with rapidly increasing density. It became the dominant species by the bottom of the slope.Was there a lot of rainfall the year prior to the salmonberry's growth?Do Salmonberry's only grow in the summer?Where is the hill?Why does Salmonberry increase in density lower on the slope?30s
- Q7Arther observed that a natural groundwater well near his house bubbled water during the spring but not during the summer or fall. What question can he ask about this observation that will lead to a testable hypothesis?What kind of chemicals do cities use to treat water?Does bubbling spring water taste better than tap water?Why are pumps or buckets necessary to remove groundwater?Does groundwater level affect the pressure in well?30s