Properties of Water (Enviro)

Which of the following makes up a molecule of water?

• one atom of oxygen, two atoms of hydrogen

• one atom of hydrogen, two atoms of oxygen

• one atom of chlorine, one atom of sodium

• one atom of hydrogen, one atom of oxygen

Tags

NGSS.MS-PS1-1

Ice floats on water because

• adhesion

• cohesion

• water is less dense as a solid

• water is a universal solvent

Tags

NGSS.MS-PS1-4

Large bodies of water resist changes in temperature. Why?

• Water is a solvent.

• Water has a high heat capacity.

• cohesion

• surface tension

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What word describes when water is attracted to other substances?

• cohesion
• adhesion
• capillary action
• surface tension

Attractions between water molecules are called

• Covalent bonds
• Ionic bonds
• Polar bonds
• Hydrogen bonds

The electrons in a polar covalent molecule are shared...

• Evenly

• Unevenly

• Electrons are not shared

• None of the Above

Tags

NGSS.MS-PS1-1

Surface tension is the property of water in which...

• water molecules at the surface tend to stick together.

• water spills easily.

• water tends to be see-through.

Describe COHESION.

• Water molecules attracted to other substances.

• Water molecules climbing upwards against the force of gravity.

• Water molecules dissolving many substances because of its polarity.

• Water molecules attracted to other water molecules.

Water is known as a _______ molecule

• non-polar

• cold

• polar

• warm

Water is known as the universal __________

• solute

• solution

• solvent

• bonder