Homeostasis and Water Properties

Which of the following is the correct molecular structure for water, H₂O?

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Tags

NGSS.MS-PS1-1

What type of bond is found BETWEEN water molecules?

• hydrogen bonds

• ionic bonds

• nonpolar covalent bonds

• polar covalent bonds

Which end of the water molecule has a slightly positive charge?

• the oxygen end
• the hydrogen end
• both ends are slightly positive
• neither end is positive

Surface tension of water is the cohesive force between water molecule and other molecule.

• True

• False

Tags

NGSS.HS-ESS2-5

Cohesive force between water molecules and adhesive force between water molecules and other molecules enable this phenomenon __________________ occur.

• surface tension

• capillary action

• float on water

• photosynthesis

What is the term for water's ability to defy gravity and climb up a tube?

• Capillary Action

• Specific Heat

• Universal Solvent

• Magic

What word describes when water is attracted to other substances?

• cohesion
• adhesion
• capillary action
• surface tension

When water molecules stick easily to other water molecules, this is called what?

• cohesion
• adhesion
• solution
• polar molecule

Tags

NGSS.MS-ESS2-4

Water beads up on the surface of a penny because of what property?

• Adhesion
• High Surface Tension
• Universal Solvent
• Changes in Density

The fact that ice floats on liquid water is due to the fact that water's solid form is ___________ than it's liquid form

• less polar
• more polar
• less dense
• more dense