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Eat Smart for a Great Start Challenge


Experiment with Food

Fizzy's Lunch LabHi, it’s me, Professor Fizzy, and today we’re going to talk about one of my favorite topics: exploring food and nutrition! As you know, I run a laboratory, so I’m partial to experimentation as a great way to learn and have fun. Here’s an experiment you can do at home to learn more about foods and enjoy at the same time!

In this experiment, you’ll be observing food under different states (original, frozen and thawed). You’ll need a variety of foods, a freezer and some paper and pencils to take notes. Some good foods to use are nuts or cereal, juice or milk, yogurt or cream cheese, and fruits like grapes, melon or orange segments. You’ll want to prepare three samples of each food so that you can observe the food in its original state, in its frozen state, and in its thawed state. You’ll be using up each sample at each stage, so having three samples of each is important.

  • Create a worksheet. You’ll need four columns: sample food, original, frozen and thawed. Create as many rows as you have foods to test.
  • Observe each food in its original state. Note in the column titled “original” how each food looks, smells, tastes and feels. Are they solid, liquid, smooth?
  • Freeze food samples. Put the remaining two samples of each of the foods in containers (plastic bags, freezer-safe containers or paper cups can work), and freeze them.
  • Observe the frozen samples. Once the foods are frozen—it may take a little while, depending on the sample size—take one sample of each out and examine them again. Make notes for each in the column titled “frozen.” How is each frozen food the same or different from its original state? What does each look like now? Is the texture the same or different? Do they taste different? What else seems to be different?
  • Thaw frozen samples and observe. Take the remaining samples out of the freezer and place them in the refrigerator. Let them thaw several hours or overnight. Then take the thawed samples out and examine each. Make notes about each under the column titled “thawed.” How is each thawed food similar to or different from the original sample? How are they similar to or different from the frozen samples?

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