Mississippi Science MAQ.1.2
The Standard
- MAQ.1
- Students will develop an understanding of the unique physical and chemical properties of water and how those properties shape life on Earth.
Describe the role of water within biological systems (e.g., provides the medium necessary to allow for life processes such as protein synthesis, enzymatic reactions, and passive transport).
2026 Mississippi College- and Career-Readiness Standards for Science · Water Properties and Quality
Teacher's field guide
What This Standard Means
What Students Need to Do
- Students explain how water lets dissolved materials move through a cell. They connect that movement to protein building, enzyme reactions, and passive transport across membranes.
What Mastery Looks Like
- A student can explain how amino acids reach ribosomes through watery cytoplasm and how dissolved substances reach enzymes. They can distinguish water moving across a membrane by osmosis from dissolved particles moving by diffusion.
Common Misconceptions
- Students may think water supplies the energy for protein building, rather than providing a place for its parts to move and meet. They may call every kind of passive transport osmosis, even when oxygen or another particle is moving.
How to Assess It
- Exit ticket: A seaweed cell sits in very salty water and loses water. Name how the water crosses its membrane, then explain one possible effect on protein building or enzyme reactions.
Lesson moves
Ways to Teach It
Place thin potato strips in fresh water and 10% saltwater for 30 minutes, then compare their stiffness and explain the water movement.
Show a ribosome and amino acids in a cell diagram, then ask: How would the amino acids reach the ribosome without liquid water?
Sort cards showing oxygen diffusing, water crossing a membrane, and amino acids reaching a ribosome, then explain water's role in each.
Show photos of a wet tide pool and a drying one, then ask why exposed algae may slow growth as their cells lose water.
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Printable MAQ.1.2 Worksheet
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Related Standards
- FB.2.6
Explain the role of the major biomolecules (carbohydrates, proteins -including enzymes, lipids, and nucleic acids) to the survival of living organisms.
- E.4.9C.4
Research and explain how systems (i.e., the atmosphere, geosphere, and/or hydrosphere), interact and support life in the biosphere.
- FB.2.5
Investigate how the properties of water (e.g., cohesion, adhesion, heat capacity, solvent properties) contribute to the maintenance of living cells and organism...
- ZOO.6.5
Describe how the water vascular system is used for locomotion, feeding, and gas exchange.
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