The device has the following.1. Glass bottles.2. Food coloring.3. Oil.4. Bath?5. Effervescent tabletsStep experiment.1. Pour water into the bottle for about 1 inches.2. Pour water is put into the bottle for nearly a full bottle.3. Add food coloring into the bottle.4. Wait for food coloring to drop to the bottom of the bottle.5. Put grain Fu down.6. Observe the results of the experiment.
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