The Scientific Method s2

THE SCIENTIFIC METHOD

Match each sentence below with a certain step of the scientific method that it best characterizes it:

A) RECOGNIZE OR STATE THE PROBLEM C)TEST/EXPERIMENT

B) FORM A HYPOTHESIS D)FORM A CONCLUSION

1. Stephen predicted that seeds would start to grow faster if electric current traveled through the soil in which they were planted.

2. Susan said, “If I fertilize my garden, it will grow.”

3. Jonathan’s data showed that roaches move away from raw cucumber slices.

4. Rene grew bacteria on special plates. She placed different types of mouthwash on them.

5. Kathy used a survey to determine how many of her classmates were left-handed and how many were right-handed.

6. Dana wanted to know how synthetic fibers were different from natural fibers.

7. Edward saw bats catching insects after dark and asked, “How do they find insects in the dark?”

8. Justin wondered if dyes could be taken out of plant leaves.

9. Anna soaked six types of seeds in water for 24 hours. She then planted them in soil up to 1 centimeter. She used the same amount of water & light for each seed.

10. Bob read about growing plants and wondered how they would grow without soil.

11. Kevin said, “If I grow 5 seeds in red light, they will grow faster than 5 seeds in white light.” 12. Angela’s experiment showed that earthworms move away from light.

13. Michael found that guinea pigs need vitamin C and protein in their diets.

14. Kim’s experiment showed that chicken egg shells become stronger if the hen ate feed with added calcium.