Grade 11 Cells & microscopy worksheet

What is on the worksheet

1. Supplied plant-tissue data show initial mass 6.5 g and final mass 8.9 g. Find signed percentage mass change. No experiment is required. Round to 3 decimal places if needed. Answer in %.

2. Supplied plant-tissue data show initial mass 6.8 g and final mass 7.2 g. Find signed percentage mass change. No experiment is required. Round to 3 decimal places if needed. Answer in %.

3. Supplied plant-tissue data show initial mass 14.3 g and final mass 14.9 g. Find signed percentage mass change. No experiment is required. Round to 3 decimal places if needed. Answer in %.

4. A printed image is 40 mm long at 40× magnification. Find the actual length in micrometers. Round to 3 decimal places if needed. Answer in µm.

5. A printed image is 17 mm long at 400× magnification. Find the actual length in micrometers. Round to 3 decimal places if needed. Answer in µm.

6. A printed image is 71 mm long at 200× magnification. Find the actual length in micrometers. Round to 3 decimal places if needed. Answer in µm.

7. A printed image is 70 mm long at 500× magnification. Find the actual length in micrometers. Round to 3 decimal places if needed. Answer in µm.

8. Supplied plant-tissue data show initial mass 13.6 g and final mass 15.5 g. Find signed percentage mass change. No experiment is required. Round to 3 decimal places if needed. Answer in %.

9. Supplied plant-tissue data show initial mass 9.5 g and final mass 9.4 g. Find signed percentage mass change. No experiment is required. Round to 3 decimal places if needed. Answer in %.

10. A printed image is 3 mm long at 50× magnification. Find the actual length in micrometers. Round to 3 decimal places if needed. Answer in µm.

11. Supplied plant-tissue data show initial mass 2 g and final mass 2.6 g. Find signed percentage mass change. No experiment is required. Round to 3 decimal places if needed. Answer in %.

12. Supplied plant-tissue data show initial mass 6.7 g and final mass 9.5 g. Find signed percentage mass change. No experiment is required. Round to 3 decimal places if needed. Answer in %.

13. Supplied plant-tissue data show initial mass 4.6 g and final mass 6.1 g. Find signed percentage mass change. No experiment is required. Round to 3 decimal places if needed. Answer in %.

14. A cell is modeled as a cube of side 19 µm. Find surface area divided by volume. This geometry is a simplified model. Round to 3 decimal places if needed. Answer in µm⁻¹.

15. A printed image is 35 mm long at 400× magnification. Find the actual length in micrometers. Round to 3 decimal places if needed. Answer in µm.

16. Supplied plant-tissue data show initial mass 7.9 g and final mass 8.7 g. Find signed percentage mass change. No experiment is required. Round to 3 decimal places if needed. Answer in %.

17. Supplied plant-tissue data show initial mass 4.8 g and final mass 5.3 g. Find signed percentage mass change. No experiment is required. Round to 3 decimal places if needed. Answer in %.

18. A printed image is 19 mm long at 200× magnification. Find the actual length in micrometers. Round to 3 decimal places if needed. Answer in µm.

19. A printed image is 56 mm long at 200× magnification. Find the actual length in micrometers. Round to 3 decimal places if needed. Answer in µm.

20. A printed image is 39 mm long at 100× magnification. Find the actual length in micrometers. Round to 3 decimal places if needed. Answer in µm.