Skip to content / Đến nội dung
SachHeCam.com

Cambridge Secondary (7-9). Stage 9. Science. Learner's Book - Unit 4: Maintaining life - Question 64

Cambridge Secondary (7-9) · Unit 4: Maintaining life

Question 64

Arun did an experiment using two plants in pots. Plant A was uncovered; plant B had a bag covering its leaves, while the soil was uncovered. He measured the mass of each plant and pot at the same time every day for seven days.

| Day | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
|---|---|---|---|---|---|---|---|
| A + pot / g | 945 | 925 | 901 | 877 | 855 | 832 | 808 |
| B + pot / g | 960 | 952 | 946 | 940 | 936 | 932 | 929 |

Daily mass losses for A: 20, 24, 24, 22, 23, 24 g. For B: 8, 6, 6, 4, 4, ___ g.

During the experiment, was more mass lost from the soil, or from the plant? Use the results in the table to explain your answer.

Question illustration
0
0
GIỎ HÀNG
Empty CartGIỎ CHƯA CÓ GÌQUAY LẠI SHOP