Osmosis and Tonicity Worksheet
Explore the principles of osmosis, tonicity (isotonic, hypotonic, hypertonic solutions), and their effects on plant and animal cells.
Includes
Standards
Topics
Osmosis and Tonicity
Name:
Date:
Score:
Read each question carefully and answer to the best of your ability. Diagrams are provided to help you visualize the concepts.
1. Which term describes the movement of water molecules across a selectively permeable membrane from an area of higher water concentration to an area of lower water concentration?
Diffusion
Active Transport
Osmosis
Facilitated Diffusion
2. A red blood cell placed in a hypotonic solution will likely:
Shrink and shrivel
Swell and burst
Remain unchanged
Undergo plasmolysis
3. When a plant cell is placed in a hypertonic solution, its cell membrane pulls away from the cell wall. This process is called .
4. A solution with a higher concentration of solutes than the cell's cytoplasm is described as .
5. Osmosis requires energy to move water molecules across a membrane.
True
False
6. An isotonic solution has the same solute concentration as the cell's cytoplasm.
True
False
7. Describe what happens to a plant cell when it is placed in a hypotonic solution.
8. Explain the difference between osmosis and diffusion.
9. Examine the diagram of the cell membrane below. Explain how its structure relates to its function in osmosis.
Related Worksheets
Chemistry of Life Worksheet
Explore the fundamental chemical building blocks of life with this Grade 9 science worksheet on the Chemistry of Life, covering macromolecules, enzymes, and nucleic acids.
Radioactivity and Wildlife Worksheet
Explore the effects of radioactivity on wildlife and ecosystems with this Grade 9 science worksheet, covering radiation types, exposure, and environmental impact.
Blood Glucose Regulation Worksheet
A Grade 9 Science worksheet focusing on the mechanisms of blood glucose regulation, including the roles of insulin and glucagon, and the organs involved.
Biological Molecules Worksheet
Explore the four major classes of biological molecules: carbohydrates, lipids, proteins, and nucleic acids, and their roles in living organisms.
Enzyme Activity Worksheet
Explore the factors affecting enzyme activity, including temperature, pH, and substrate concentration, with this Grade 9 science worksheet.
Human Skull Anatomy Worksheet
A Grade 9 science worksheet on the anatomy and functions of the human skull, covering its bones, protective role, and key features.
Glucose Regulation Worksheet
A Grade 9 Science worksheet focusing on the biological processes of glucose regulation, including the roles of insulin, glucagon, and the pancreas.
Fermentation Fundamentals
Explore the basic principles of fermentation, including its types, processes, and applications in this Grade 9 science worksheet.