H2O

What is water?

• An atom
• A molecule composed of 2 parts Oxygen and one part Hydrogen
• A molecular compound composed of 2 parts Hydrogen and one part Oxygen
• A pure substance composed of 2 parts Hydrogen and one part Oxygen

Tags

NGSS.MS-PS1-1

What is the chemical formula for water?

• H02

• 2ho

• H₂O₂

• H₂O

Is the density of water ice lower, higher, or the same as liquid water?

• Lower
• Higher
• The same
• Um... what is density again

What is adhesion?

• Water's ability to stick to itself
• Water's ability to stick to other substances
• The strength of the cohesion of all the water molecules combined
• Tape, glue and other adhesives

What is cohesion?

• Water's ability to stick to itself
• Water's ability to stick to other substances
• The strength of the cohesion of all the water molecules combined
• Tape, glue and other adhesives

A molecule in which opposite ends have opposite electric charges is a:

• cohesion
• polar molecule
• hydrogen bond
• solution

Water is a universal solvent because it...

• can be found anywhere.
• freezes when it gets cold.
• floats when frozen.
• dissolves most substances.

Which part of a water molecule has a Positive Charge?

• The Hydrogen

• The Oxygen

• The Top

• The Bottom

Tags

NGSS.MS-PS1-1

Which part of a water molecule has a Negative Charge?

• The Hydrogen

• The Oxygen

• The Left

• The Right

Which of the following can water NOT dissolve?

• Salt

• Sugar

• Oil

• Baking Soda