Cells and Organelles (Grade 8)
Free printable Grade 8 science worksheet on cells and organelles. Students match each organelle to its job, compare plant and animal cells and calculate microscope magnification.
Grade 8 · Science worksheet
Name
Date
Science
Cells and Organelles
Name the cell part that does each job, then work out the microscope magnifications.
- 1.Which organelle contains the cell's DNA and controls its activities?
- 2.Is a bacterium made of one cell or many cells?
- a) one cell
- b) many cells
- 3.Why must a stain such as iodine be used when viewing onion cells under a microscope?
- 4.Which type of microscope is needed to see the detailed structure of organelles: a light microscope or an electron microscope?
- a) light microscope
- b) electron microscope
- 5.Which organelle makes proteins?
- 6.Cells with a similar structure and job group together to form a blank .
- 7.What is the jelly-like substance where most of a cell's chemical reactions happen?
- 8.Which part of a cell controls what enters and leaves it?
- 9.Total magnification = eyepiece magnification x objective magnification. A microscope has a 10x eyepiece and a 40x objective lens. What is the total magnification?
- 10.Total magnification = eyepiece magnification x objective magnification. A microscope has a 5x eyepiece and a 20x objective lens. What is the total magnification?
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