The Black-throated Loon (Gavia arctica) is able to float on the surface of the water. Which property of water makes this possible?
Buoyancy
Most _____ catalyze reactions occur in aqueous solutions due to the _____ properties of water.
Enzymes, polar
What property of water makes it a good transport medium?
Water is polar and therefore a good solvent of other polar substances and ionic substances.
Water can easily dissolve mineral ions for transport around plants. This is a very useful property of water. Water is described as being an excellent _____ of ionic and polar substances.
Solvent
Which of the following is true about water?
a) It has a low specific heat capacity
b) Frozen water sinks because it is more dense
c) Water molecules are polar
d) The water molecule is non-polar
c) Water molecules are polar
You would expect to find a _____ bond between the hydrogen of one water molecule and an oxygen of a second water molecule.
Hydrogen
Which two-word term is used to describe the area in which a planet capable of supporting liquid water can be found?
Goldilocks zone
Choose the correct statement about the roles of cohesion and adhesion in transpiration within plants.
a) Both cohesion and adhesion are involved in transpiration pull.
b) Only cohesion is involved in the movement of water from the soil.
c) Only cohesion involves the interaction of water with soil mineral particles.
d) Only adhesion is involved in transpiration pull.
a) Both cohesion and adhesion are involved in transpiration.
The viscosity of water is _____ than air.
Higher
What type of bond exists within a single water molecule?
Covalent bond
What type of bond exists between individual water molecules?
Hydrogen bonds
Which of the following is true about water?
a) It has a high specific heat capacity.
b) It has a low specific heat capacity.
c) The water molecule is non-polar.
d) Frozen water sinks because it is more dense.
b) It has a low specific heat capacity.
Which force is responsible for the retention of water on Earth?
Gravity