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Introduction
Typing practice
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Text to type: A fridge keeps food fresh by keeping it cold. Cold slows the growth of many bacteria that can make people sick. This lesson explains how a fridge keeps food fresh and safe, and what you can do at home.
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Before you begin
Think About It First
Where do you keep milk and eggs at home?
Can you name one food that goes bad quickly outside a fridge?
How cold do you think the inside of a refrigerator should be?
Part 1: Cold Temperature Slows BacteriaReading
Part 1: Cold Temperature Slows Bacteria
Typing practice
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Text to type: Some bacteria are tiny germs that can make people sick. Many bacteria grow quickly when food is warm. Food-safety guides call 4°C to 60°C the Danger Zone. A fridge should keep food at 4°C or colder. The cold does not kill all bacteria, but it slows their growth. This helps food stay safe longer.
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Check your understanding
Check: Cold Temperature
1. How does a cold fridge help keep food safe?
Sample answer
The cold slows the growth of many bacteria.
Reading
Part 2: The Right Temperature Setting
Typing practice
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Text to type: The FDA says a fridge should be at 4°C (40°F) or colder. A freezer should be at -18°C (0°F) or colder. A fridge dial may not show the real temperature. Put a fridge thermometer inside and check it often. Do not pack the fridge too tightly, because cold air needs room to move.
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Check your understanding
Check: Temperature Settings
1. What temperature should a fridge be?
Sample answer
It should be at 4°C (40°F) or colder.
Part 3: How to Store Food CorrectlyReading
Part 3: How to Store Food Correctly
Typing practice
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Text to type: Raw meat, poultry, seafood, and eggs can carry germs. The CDC says to keep these foods separate from other food. Put raw meat or seafood in a sealed container so its juice cannot leak. Keep other foods in covered containers or sealed bags. Clean spills in the fridge quickly so germs do not spread.
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Check: Storing Food Correctly
1. How can you stop raw meat juice from touching other food?
Sample answer
Keep the raw meat separate in a sealed container.
Part 4: Refrigerate Food QuicklyReading
Part 4: Refrigerate Food Quickly
Typing practice
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Text to type: The CDC says to refrigerate food that can spoil within two hours. If the food is in heat above 32°C (90°F), refrigerate it within one hour. Put a large amount of warm food into several clean, shallow containers. Small amounts cool faster. Then put them in the fridge promptly.
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Check: Refrigerating Quickly
1. How soon should you refrigerate leftovers?
Sample answer
Refrigerate them within two hours, or within one hour in very hot conditions.
What you can do now
Final Reflection
You have chicken left after dinner. What will you do to keep it safe?
Learning cards
My cards
How a Fridge Keeps Food Fresh
0 due · 9 new · about 3 min
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Reading
Part 1: Cold Temperature Slows Bacteria
Reading
Part 2: The Right Temperature Setting
Reading
Part 3: How to Store Food Correctly
Reading
Part 4: Refrigerate Food Quickly
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