Matter, Mixtures, and Solutions

Front

The mixture shown here -

Back

Maintains its physical properties when combined

Front

What is NOT happening in the photo? Options:

The temperature is rising

,

Heat is being added

,

Thermal energy is taken away

,

A solid is turning into a liquid

Back

Thermal energy is taken away

Front

Why is the bobber able to float in the water?

Back

Its density is less than water

Front

Which of the following is true about solutions?

• The particles of the solute become very small
• Evaporation can be used to separate solutions
• The substance spreads out evenly
• All of these options are true

Back

All of these options are true

Front

The oven mitt shown here is being used because

• The mitts conduct thermal energy
• The pan conducts heat energy
• The pan is an insulator
• The mitts make the cook look cool

Back

The pan conducts heat energy

Front

When condensation occurs

Back

Heat energy is being reduced

Front

Which term best describes a liquid turning into a gas?

Back

Evaporation

Front

What must happen for the wax on the sculpture to melt?

Back

Heat must be added

Front

Which of these terms best describe a substance's ability to be dissolved?

Density

,

Solubility

,

Insolubility

,

Conductivity

Back

Solubility

Front

What is the best way to separate a solution made using 100 ml of water and 20 g of salt?

Back

Evaporate the water on a hot plate