A1.1. Water

Sub sections and their related questions

A1.1.1. Water as the medium for life

None

A1.1.2. Hydrogen bonds as a consequence of the polar covalent bonds within water molecules

• 22M.1A.SL.TZ1.6:

  What are linked by hydrogen bonds?

  A. Hydrogen and oxygen within a water molecule

  B. Phosphate and sugar within a DNA molecule

  C. Base and sugar between DNA nucleotides

  D. Hydrogen and oxygen in different water molecules

• 20N.2.SL.TZ0.7a:

  Outline how hydrogen bonds form in water.

• 19M.1A.SL.TZ2.6: Where do hydrogen bonds form? A. Between the slight negative charge of hydrogen and slight...
• 22N.1A.SL.TZ0.8: The diagram shows water molecules.   Which property of water is not illustrated? A.  Cohesion B....
• SPM.1A.SL.TZ0.1: The diagram shows the elements present in two organic molecules, W and X.Which molecules could W...
• 23M.2.SL.TZ1.4ai: State how many water molecules are shown in the diagram. 
• 23M.2.SL.TZ1.4aii: Identify the interactions that are shown between the water molecules.
• 23M.2.SL.TZ1.4bii: Outline the reasons for secretion of sweat in humans.
• 23M.2.SL.TZ1.4ai: State how many water molecules are shown in the diagram. 
• 23M.2.SL.TZ1.4aii: Identify the interactions that are shown between the water molecules.
• 23M.2.SL.TZ1.4bii: Outline the reasons for secretion of sweat in humans.
• SPM.1A.SL.TZ0.1: The diagram shows the elements present in two organic molecules, W and X.Which molecules could W...
• SPM.1A.SL.TZ0.1: The diagram shows the elements present in two organic molecules, W and X.Which molecules could W...
• 22M.1A.SL.TZ1.6:

  What are linked by hydrogen bonds?

  A. Hydrogen and oxygen within a water molecule

  B. Phosphate and sugar within a DNA molecule

  C. Base and sugar between DNA nucleotides

  D. Hydrogen and oxygen in different water molecules

• 20N.2.SL.TZ0.7a:

  Outline how hydrogen bonds form in water.

• 20N.2.SL.TZ0.a:

  Outline how hydrogen bonds form in water.

• 19M.1A.SL.TZ2.6: Where do hydrogen bonds form? A. Between the slight negative charge of hydrogen and slight...
• 22N.1A.SL.TZ0.8: The diagram shows water molecules.   Which property of water is not illustrated? A.  Cohesion B....
• SPM.1A.SL.TZ0.1: The diagram shows the elements present in two organic molecules, W and X.Which molecules could W...
• 23M.2.SL.TZ1.4ai: State how many water molecules are shown in the diagram. 
• 23M.2.SL.TZ1.4aii: Identify the interactions that are shown between the water molecules.
• 23M.2.SL.TZ1.4bii: Outline the reasons for secretion of sweat in humans.
• 23M.2.SL.TZ1.i: State how many water molecules are shown in the diagram. 
• 23M.2.SL.TZ1.ii: Identify the interactions that are shown between the water molecules.
• 23M.2.SL.TZ1.ii: Outline the reasons for secretion of sweat in humans.
• 23M.2.SL.TZ1.4ai: State how many water molecules are shown in the diagram. 
• 23M.2.SL.TZ1.4aii: Identify the interactions that are shown between the water molecules.
• 23M.2.SL.TZ1.4bii: Outline the reasons for secretion of sweat in humans.
• 23M.2.SL.TZ1.i: State how many water molecules are shown in the diagram. 
• 23M.2.SL.TZ1.ii: Identify the interactions that are shown between the water molecules.
• 23M.2.SL.TZ1.ii: Outline the reasons for secretion of sweat in humans.

A1.1.3. Cohesion of water molecules due to hydrogen bonding and consequences for organisms

• 21M.1A.SL.TZ1.12: What is the term for the attraction of water molecules to other water molecules? A. Surface...
• 19M.2.SL.TZ1.4b: Explain how the properties of water allow it to move through xylem vessels.
• SPM.1A.HL.TZ0.1: What allows the movement of water under tension in the xylem? A.  Adhesion of water molecules to...
• SPM.1A.HL.TZ0.1: What allows the movement of water under tension in the xylem? A.  Adhesion of water molecules to...
• SPM.1A.HL.TZ0.1: What allows the movement of water under tension in the xylem? A.  Adhesion of water molecules to...
• SPM.1A.HL.TZ0.1: What allows the movement of water under tension in the xylem? A.  Adhesion of water molecules to...
• SPM.1A.HL.TZ0.1: What allows the movement of water under tension in the xylem? A.  Adhesion of water molecules to...
• SPM.1A.HL.TZ0.1: What allows the movement of water under tension in the xylem? A.  Adhesion of water molecules to...
• SPM.1A.HL.TZ0.1: What allows the movement of water under tension in the xylem? A.  Adhesion of water molecules to...
• SPM.1A.HL.TZ0.1: What allows the movement of water under tension in the xylem? A.  Adhesion of water molecules to...
• SPM.1A.HL.TZ0.1: What allows the movement of water under tension in the xylem? A.  Adhesion of water molecules to...
• 21M.1A.SL.TZ1.12: What is the term for the attraction of water molecules to other water molecules? A. Surface...
• 19M.2.SL.TZ1.4b: Explain how the properties of water allow it to move through xylem vessels.
• 19M.2.SL.TZ1.b: Explain how the properties of water allow it to move through xylem vessels.
• SPM.1A.HL.TZ0.1: What allows the movement of water under tension in the xylem? A.  Adhesion of water molecules to...

A1.1.4. Adhesion of water to materials that are polar or charged and impacts for organisms

None

A1.1.5. Solvent properties of water linked to its role as a medium for metabolism and for transport in plants and animals

• 21N.2.SL.TZ0.7a:

  Outline how the properties of water make it an ideal transport medium in plants.

• 21N.2.SL.TZ0.7a:

  Outline how the properties of water make it an ideal transport medium in plants.

• 21N.2.SL.TZ0.a:

  Outline how the properties of water make it an ideal transport medium in plants.

A1.1.6. Physical properties of water and the consequences for animals in aquatic habitats

• 22M.2.SL.TZ1.6a: Outline how the properties of water make it an effective coolant for the body.
• 21N.1A.SL.TZ0.7: What is the benefit to living organisms that water has a high specific heat capacity? A. Heat...
• SPM.2.SL.TZ0.8c:

  Distinguish between the thermal properties of air and water as they relate to the habitat of animals.

• SPM.2.SL.TZ0.8c:

  Distinguish between the thermal properties of air and water as they relate to the habitat of animals.

• 22M.2.SL.TZ1.6a: Outline how the properties of water make it an effective coolant for the body.
• 22M.2.SL.TZ1.a: Outline how the properties of water make it an effective coolant for the body.
• 21N.1A.SL.TZ0.7: What is the benefit to living organisms that water has a high specific heat capacity? A. Heat...
• SPM.2.SL.TZ0.8c:

  Distinguish between the thermal properties of air and water as they relate to the habitat of animals.

• SPM.2.SL.TZ0.c:

  Distinguish between the thermal properties of air and water as they relate to the habitat of animals.

A1.1.7. Extraplanetary origin of water on Earth and reasons for its retention

None

A1.1.8. Relationship between the search for extraterrestrial life and the presence of water

None