SOL 5.7 Unit Test

If a person puts two teaspoons of sugar in a cup of coffee, what should the temperature of the coffee be to dissolve the sugar the fastest?

• A 50°C
• B 30°C
• C 70°C
• D 90°C

Which atoms are forming a gas?

• 
• 
• 
• 

What does water, ice, and water vapor have in common?

• Nothing
• They are made of the same compound.
• They are made of one element only.
• Nothing in common

Which of the following is a solution?

• A salad
• Air
• Sandwich
• Pizza

Which of the following is a mixture?

• Air
• Kool-aid
• Chocolate milk
• Salad

How are mixtures and solutions alike?

• They are both easy to seperate.
• They are both solids.
• They have two or more ingredients.
• They are both liquids.

The smallest quantity of an element is

• Compund
• Mixture
• Atom
• Solution

Directions: Click on each answer you want to select. You must select all correct answers. Identify each example that is a solution.

• Chocolate milk
• Frozen juice concentrate combined with water
• Kool-Aid
• Powdered drink mix stirred in a pitcher of water
• Coffee

A person made a cake using eggs, flour, milk, and sugar. A baked cake is the best example of a ____________.

• A dry mixture
• B electron
• C liquid phase
• D solution

Directions: Click on each answer you want to select. You must select all correct answers. Which of the following examples shows the temperature affecting the phase of matter?

• A warm day melts the ice off of a deck
• The heat of the stove thaws the soup
• A puddle evaporates off the hot pavement
• The hot shower creates steam on the bathroom mirror
• An oven keeps a turkey hot until guests arrive