Properties of Water ('25)

When moving away from 8 on a pH scale and going towards 14, what happens?

• The base gets weaker

• The base gets stronger

• The acid gets weaker

• The acid gets stronger

Which property of water helps humans maintain homeostasis with body temperature? (to COOL DOWN specifically)

• Cohesion

• High Heat of Vaporization

• Capillary Action

• High Specific Heat

The word "alkaline" is used to describe something that is -

• Neutral

• Acidic

• Basic

Which word is used to describe when water is attracted to other substances?

• Capillary Action

• Cohesion

• Adhesion

• Surface Tension

Which type of bond connects an oxygen atom to a hydrogen atom in a water molecule?

• Ionic bond

• Covalent bond

• Magic bond

• Hydrogen bond

Basic solutions are HIGH in which ion?

• H⁺, hydrogen ions

• OH^-, hydroxide ions

Which characteristic of water will allow a paperclip to remain floating on water when the paperclip is gently placed on top of the water?

• Nonpolar

• Solvent properties

• Adhesion

• Surface tension due to cohesion

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

• The hydrogen end

• The oxygen end

• Both ends are slightly positive

• Neither end is positive

Tags

NGSS.HS-PS2-6

What does a water molecule look like?

• A straight line: O-H-O

• A bent shape with 2 O atoms and 1 H atom pointing away

• A bent shape with 1 O atom and 2 H atoms pointing away

• A straight line: H-O-H

Tags

NGSS.MS-PS1-1

How does water - being a universal solvent - help the human body maintain homeostasis?

• It dissolves oxygen in the blood and helps dissolve waste products, among other substances

• It helps maintain sleep levels

• It helps move blood through capillaries

• It helps maintain a stable body temperature

Tags

NGSS.MS-LS2-1