Properties of Fluids and Water

Liquids have definite volume but indefinite ____________.

• size

• shape

• color

• temperature

As you add drops of water to the surface of a coin, each drop sticks to the other water droplet because of ________________, and sticks to the penny because of ______________.

• adhesion, cohesion

• cohesion, adhesion

• capillary action, specific heat

• specific heat, capillary action

Which of the following is LEAST likely to dissolve in water?

• nonpolar fats and oils
• polar sugar molecules
• salt made of a positive sodium ion and a negative chloride ion
• all of the substances will dissolve easily in water

Tags

NGSS.HS-PS1-1

Water is a universal solvent because it...

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

Capillary Action

• The property of water that allows ice to float on the surface of liquid water

• The property of water that allows it to dissolve polar substances

• When water molecules stick to other surfaces

• The property of water that allows water to move up a thin tube (or the stem of a plant) by itself

Tags

NGSS.MS-ESS2-4

The scale of temperature at which water freezes at 0 and boils at 100.

• Celsius Scale
• Fahrenheit Scale

Intermolecular forces are the forces

• within molecules
• between molecules

What is viscosity?

• A liquid's resistance to flow.
• a liquids flow.
• a liquid
• gas to solid.

As temperature increases viscosity _______________.

• increases

• stays the same

• decreases

Tags

NGSS.MS-PS1-4

What is Surface Tension?

• surfactant
• the skin-like outside of water
• the ability to move upward against gravity
• a polar molecule