Properties of Water

What is the pH of water?

(a)  

Select the three properties of acids

• Turns litmus paper red

• pH < 7

• Tastes sour

• Also called "alkali"

Select the three properties of bases

• Tastes bitter

• Turns litmus paper red

• Also called "alkali"

• pH > 7

Gatorade is the solution

• Water is the solvent. Electrolytes are the solutes.

• Water is the solute. Electrolytes are the solvents.

• Gatorade is always the solution.

Water is polar, and the hydrogens are:

• Positive

• Negative

• Neutral

• It's different for each molecule

Water is a thermal buffer because it -

• Makes things hotter

• Takes heat away

• Keeps temperatures from changing

• Prevents different temperatures from coming into contact

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Water molecules sticking to a windshield is an example of -

• Cohesion

• Adhesion

• Capillarity

• Solvent

Select TWO options that are true of mass

• Measured in a graduated cylinder

• The units are grams

• The amount of matter in an object

• A higher mass means lower density

Select TWO options that describe volume:

• The units are grams

• A higher volume means a lower density

• Measured using a scale

• The amount of space an object takes up

Which type of heat transfer requires solids to be in direct contact?

• Convection

• Radiation

• Conduction