Properties of Water

Surface tension of the water is the cohesive force between water molecule on the surface of water.

• True

• False

What two elements make up water?

• Helium and oxygen
• Hydrogen and oxygen
• helium and carbon
• oxygen and carbon

Tags

NGSS.MS-PS1-1

In a water molecule the hydrogen and oxygen atoms hold together by sharing _________.

• protons 
• neutrons
• electrons
• nuclei

Tags

NGSS.MS-PS1-1

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

Tags

NGSS.HS-PS1-3

When a molecule has an opposite electrical charge on each end, it is known as what?

• cohesion
• polar molecule
• hydrogen bond
• solution

Tags

NGSS.HS-PS1-3

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

Water is a universal solvent because it...

• It can be found anywhere
• It freezes when it gets cold
• floats when frozen
• Dissolves most substances

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

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

Why does ice stay at the top of oceans instead of sinking to the bottom?

•  Ice is colder than liquid water.
• Ice is less dense than liquid water.
• Ice is more dense than liquid water.
• Ice is warmer than liquid water.

Tags

NGSS.MS-PS1-4