Water is a _____ molecule.

• Acidic

• Basic

• Polar

• pneumonic

Tags

NGSS.MS-PS1-1

What type of bond is indicated by the 1?

• Covalent

• Ionic

• Hydrogen

• Doric

Tags

NGSS.HS-PS1-3

Water molecules hydrogen bonding to each other is known as:

• Cohesion

• Adhesion

• Ionic Bonding

• Covalent Bonding

Water molecules hydrogen bonding to a surface, like a plant stem, is known as:

• Cohesion

• Adhesion

• Ionic Bonding

• Covalent Bonding

Tags

NGSS.HS-ESS2-5

Why does ice float?

• Ice floats because it is made up of different molecules than liquid water.
• Ice floats because it is more dense than liquid water.
• Ice floats because it is less dense than liquid water.
• Ice floats because it is affected by gravity differently than liquid water.

Substances that release Hydrogen Ions (H+) when they are dissolved in water are called:

• Acids

• Bases

• Bosons

• Mixtures

What is the pH of pure water?

• 1

• 14

• 7

• 0

Acids will always have a pH _______ than 7.

• lower

• higher

Organize these options into the right categories

Groups:

(a) Physical reaction

,

(b) Chemical Reaction

• Melting Ice

• Ripping Paper

• Photosynthesis

• Burning a piece of wood

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

Organic molecules contain:

• Carbon

• Nitrogen

• Calcium

• Hydrogen

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6