Grade 9 Cells & microscopy worksheet in three levels
The same 20-question worksheet on cells & microscopy in Support, Core and Challenge versions. Question by question, each version keeps the topic and changes the difficulty.
Easier questions on the same topics, for students who need more practice with the basics.
Questions
20 (20 medium)
Grade range
Grades 7 to 11
Topics
Cells & microscopy
Sample questions
Supplied plant-tissue data show initial mass 10.1 g and final mass 10 g. Find signed percentage mass change. No experiment is required. Round to 3 decimal places if needed. Answer in %.
Which term means distinguishing two nearby points?
In simple diffusion, net movement is generally in which direction?
Core
Questions at the expected level for the grade.
Questions
20 (20 medium)
Grade range
Grades 7 to 11
Topics
Cells & microscopy
Sample questions
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.
Which term means distinguishing two nearby points?
In simple diffusion, net movement is generally in which direction?
Challenge
Harder questions on the same topics, for students who are ready to stretch.
Questions
20 (20 challenge)
Grade range
Grades 9 to 12
Topics
Cells & microscopy
Sample questions
A diploid parent cell has 8 chromosomes. In the standard mitosis model, how many chromosomes does each daughter nucleus receive?
Which structure is found in plant cells but not in animal cells: the chloroplast or the cell membrane?
Which structure does a typical bacterial cell have: the ribosome or the nucleus?
Using the three versions
Start everyone with the same short explanation, then hand out Support, Core or Challenge.
Question numbers line up across the versions, so you can go through the answers with the whole class.
The PDF has a cover page and each version on its own pages; the answer keys PDF has all three keys.