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- 1. Multiple Choice
Stephen predicted that seeds would start to grow faster if an electric current traveled through the soil in which they were planted.recognize a problemtest the hypothesis with an experimentform a hypothesisdraw conclusions - 2. Multiple ChoiceSusan said, “If I fertilize my geranium plants, they will blossom.”recognize a problemtest the hypothesis with an experimentform a hypothesisdraw conclusions
- 3. Multiple ChoiceJohathan’s data showed that household cockroaches moved away from raw cucumber slices.recognize a problemtest the hypothesis with an experimentform a hypothesisdraw conclusions
- 4. Multiple ChoiceRene grew bacteria from the mouth on special plates in the laboratory. She placed drops of different mouthwashes on bacteria on each plate.recognize a problemtest the hypothesis with an experimentform a hypothesisdraw conclusions
- 5. Multiple ChoiceKathy used a survey to determine how many of her classmates were left-handed and how many were right-handed.recognize a problemtest the hypothesis with an experimentform a hypothesisdraw conclusions
- 6. Multiple ChoiceDana want to know how different are synthetic fibers from natural fibers.recognize a problemtest the hypothesis with an experimentform a hypothesisdraw conclusions
- 7. Multiple ChoiceJose saw bats catching insects after dark. He asked, “How do bats find insects in the dark?”recognize a problemtest the hypothesis with an experimentform a hypothesisdraw conclusions
- 8. Multiple ChoiceJustin wondered if dyes could be taken out of plant leaves, flowers, and stems.recognize a problemtest the hypothesis with an experimentform a hypothesisdraw conclusions
- 9. Multiple ChoiceArjulia soaked six different kinds of seeds in water for 24 hours. Then she planted the seeds in soil at a depth of 1 cm. She used the same amount of water, light, and heat for each kind of seed.recognize a problemtest the hypothesis with an experimentform a hypothesisdraw conclusions
- 10. Multiple ChoiceBob read about growing plants in water. He wanted to know how plants could grow without soil.recognize a problemtest the hypothesis with an experimentform a hypothesisdraw conclusions
- 11. Multiple ChoiceKevin said, “If I grow five seedlings in red light, I think the plants will grow faster than the five plants grown in white light.”recognize a problemtest the hypothesis with an experimentform a hypothesisdraw conclusions
- 12. Multiple ChoiceAngela’s experiment proved that earthworms move away from light.recognize a problemtest the hypothesis with an experimentform a hypothesisdraw conclusions
- 13. Multiple ChoiceScott said, “If acid rain affects plants in a particular lake, it might affect small animals, such as crayfish, that live in the same water.”recognize a problemtest the hypothesis with an experimentform a hypothesisdraw conclusions
- 14. Multiple ChoiceMichael fed different diets to three groups of guinea pigs. His experiment showed that guinea pigs need vitamin C and protein in their diets.recognize a problemtest the hypothesis with an experimentform a hypothesisdraw conclusions
- 15. Multiple ChoiceKim’s experiment showed that chicken egg shells were stronger when she gave the hen feed to which extra calcium had been added.recognize a problemtest the hypothesis with an experimentform a hypothesisdraw conclusions
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