More Information
GETTING MOLDY printable

SUBJECT
Science, Germs and Microbes

GRADE
Pre-K-2

AGE
4-8

Source
The Magic School Bus: Science Fun Activities
Lessons designed to help you use Scholastic's The Magic School Bus as a supplement to your curriculum. The activities provided build on children's interest in The Magic School Bus and offer lots of opportunities to engage them in hands-on learning. Remember what Ms. Frizzle says, "Get out there and explore!"

The Magic School Bus In a Pickle

Field Trip Notes
Order in the court! When Keesha comes back from vacation, her prizewinning cucumber is missing - replaced by a pickle. Could Ms. Frizzle, who has a passion for pickles, be the culprit? The Friz says a group of tiny troublemakers called the Mike Robe Gang (microbes) is responsible. But they're too tiny to see. The bus shrinks to housefly size, and the kids find evidence that millions of the gang members are changing things all around them. At the scene of the crime, they discover that microbes pickled the cucumber, saving it from spoiling. Case closed!

Ms. Frizzle's Ideas for the Day

Getting Moldy

Going Hands-On

Time: 10 minutes every day for eight days
Group Size: Three or four

Microbes turned Arnold's tomato into a goopy, ploopy mess. Here, your students can discover what microbes need to grow - and how cold affects microbe growth - by growing bread mold.

What You Need

Microbes Change Food, by Keesha

  • Masking tape
  • Marking pens
  • Copies of GETTING MOLDY
  • Refrigerator

For each group:

  • Two slices of bread (try bakery bread - no preservatives)
  • Two zip-lock baggies

Talk About It

Ask kids: Where have you seen mold? How do you think it got there? (Molds are large groups of microbes; microbes are in the air we breathe, on everything we touch and see.) What do you think cold does to mold?

What To Do

  1. Have each group put a slice of bread into a baggie, seal the bag, and label it WARM. Place that slice on a shelf or desk where kids can observe it easily.
  2. Groups place second slice of bread into a baggie, seal bag, and label it COLD. Place baggie in refrigerator.
  3. Have students observe both baggies daily, and draw what they see. (Bread contains water; they may see moisture in the bag.)
  4. After mold is visible ask: What’s on the bread? How is the mod changing the bread? Is there more mold on one slice? (WARM) Why? (Cold retards mold growth.)
  5. Dispose of bread and bags properly.

Next Stop

If you are near a pond, collect some water in a quart jar. Examine some of the water with a microscope or a magnifying glass. (You should see plenty of microbes!) Ask: How can you find out more about what you see?

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    Hi, I'm Keesha -- one of the kids in Ms. Frizzle's class. When Ms. Frizzle announced that we'd be studying the weather, I thought it would be pretty boring. Boy, was I wrong! Ms. Frizzle promised to take us on a field trip that would give us a real jolt of excitement -- little did we know what she had in mind. Before we knew it, we'd become a bolt of lightning and we were off on an electrifying adventure!

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