Food Preservation

How does dehydration work to preserve food?

• Provides an acidic environment.

• Removes oxygen exposure.

• Removes water content.

• Removes water content by freezing water particles.

Which food preservation technique works by heating and sealing food in an airtight container?

• Vacuum Sealing.

• Dehydrating.

• Canning.

• Sun-Drying.

How does freezing work to preserve food?

• Provides an acidic environment.

• Removes oxygen exposure.

• Removes water content.

• Removes water content by freezing water particles.

Tags

NGSS.MS-PS1-4

Which food preservation technique works by reducing oxygen exposure to food?

• Vacuum Sealing.

• Dehydrating.

• Sun-Drying.

• Freezing.

Which food preservation technique works by providing an acidic environment?

• Adding Sugar.

• Sun-Drying.

• Adding Lactic Acid.

• Pickling.

What food preservation technique has been used here?

• Pickling.

• Adding Salt.

• Adding Lactic Acid.

• Adding Sugar.

What food preservation technique has been used here?

• Freezing.

• Sun-Drying.

• Dehydrating.

• Vacuum Sealing.

What food preservation technique has been used here?

• Adding Sugar.

• Freezing.

• Dehydrating.

• Vacuum Sealing.

What food preservation technique has been used here?

• Freezing.

• Dehydrating.

• Adding Sugar.

• Vacuum Sealing.

Which of the following are not examples of food preservation techniques.

• Adding Sugar, Dehydrating & Pickling.

• Freezing, Adding Lactic Acid & Dehydrating.

• Adding Salt, Canning & Vacuum Sealing.

• Baking, Frying & Boiling.