Concentration and Rate of Dissolving

A solution that is considered dilute would be....

• Dark in color
• Have a strong scent
• Have a large amount of solute
• Have a small amount of solute

The substance being dissolved in a solution.

• sands
• solute
• solvent
• alloy

The substance in which a solute is dissolved

• sands
• solvent
• alloy
• negative particles

The amount of solute actually dissolved in a given amount of solvent.

• solute
• concentration
• saturated solution
• supersaturated mixture

To make a solution more dilute I could...

• lower the amount of solute
• increase the amount of solute

You can make a solution more concentrated by adding __________.

• solute
• solvent
• water

A mixture of two or more substances; dissolved particles are spread evenly throughout the mixture so you cannot see the individual parts.

• solvent
• solute
• mixture
• solution

Darla put some sugar in a pitcher of iced tea.
 

Why is Darla stirring the iced tea? 

• Stirring makes the iced tea colder
• Stirring makes the sugar dissolve more quickly
• Stirring keeps the sugar from forming into larger pieces
• D - The sugar will not dissolve unless she stirs the iced tea

Rey is making soup. He will dissolve cubes of instant soup mix in hot water.
How can Rey make the soup cubes dissolve more quickly in the water? 

• use less water
• use more water
• add ice cubes to cool the water
• break the soup cubes into smaller pieces

Tags

NGSS.HS-PS1-5

Sharla is using powdered mix to make hot chocolate. She will boil some water and then stir in the mix.
       

What is the best way to make the powdered mix dissolve more quickly? 

• use cold water
• use more water
• stir the mix more quickly
• stir the mix for a longer time