"Bread is Moldy" Food PPT

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"Bread is Moldy" Food PPT

Part One: Observing Moldy Bread

Use a magnifying glass to examine moldy bread. Record the changes that occur to the bread.

Bread becomes moldy because an organism—mold—grows on it. Mold is the common name for filamentous fungi.

Bread becomes moldy PPT, Part 2: Conditions for bread to become moldy

What factors are related to moldy bread?

What information can be obtained from observation activities that can help us conduct analysis?

What other information is needed?

Mold grows on bread but not on the plastic bag closest to the bread. What does this mean?

Moldy bread is still soft and has some moisture. What does this mean?

Where is the bread stored?

Bread is moldy PPT, part 3: Which piece of bread has mold growing faster?

How can you compare which piece of bread has mold growing faster?

Prepare four pieces of dry bread and use a toothpick to put some mold on each piece.

Group 1: Effect of moisture on mold growth

Keep the first piece of bread dry, put 10 drops of water on the second piece of bread, put them in two plastic bags, tie the bags tightly with thread and put them on the table.

Group 2: Effect of temperature on mold growth

Put 10 drops of water on the third and fourth pieces of bread, put them in two plastic bags respectively, and tie the mouths of the bags tightly. Then, place the third piece of bread in the cold compartment of the refrigerator and the fourth piece of bread in a warmer area.

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For more information about the PPT courseware "Food Bread Moldy", please click the Food PPT Bread Moldy ppt tag.

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Update Time: 2024-09-20

This template belongs to science courseware Fourth Grade Science Volume 2, Textbook Edition industry PPT template

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