Test - Unit 1 Scientific Method

Question 1

8. All of the following steps in the scientific method EXECPT
   A. Observing and recording data -B. Forming a hypothesis -C. Developing a model -D. Discarding data that doesn’t match the hypothesis

Answer 1

D.

U1C4- page 1

Question 2

12. What is 78,900,000,000 in scientific notation?
    A. 789 x 10 to the 9th power -B. 7.89 x 10 to the 10th power -C. 7.89 x 10 to the 9th power -D. 7.89 x 10 to the 11th power

Answer 2

7.89 x 10 to the 10th power

U1C3 page 1

Question 3

30. What is the average of group A’s data

26. 5, 27.5, 27.0, 27.7

Answer 3

26.5 + 27.5 + 27.0 + 27.7 = 108.7 divided by 4 = 27.17 cm

U1C2 page 4

Question 4

31. What is the average of group B’s data

25. 5, 25.0, 23.0, 29.5

Answer 4

25.5 + 25.0 + 23.0 + 20.5 = 94 divided by 4= 23.6

U1C2 page 4

Question 5

32.Which groups data is more precise? Why?

Answer 5

Group A, their answers are more consistent

U1C2 page 4

Question 6

33. If the actual length of the notebook is 26.1 cm which group is more accurate? Why?

Answer 6

Group B their answers are closer to the answer.