1. Name five things that change so quickly they are easy to observe. 2. Name five things that change so slowly they are almost unnoticeable.

The answer is below

Explanation:

Fast changes are changes one can easily observed between its occurrence period. Some of which are:

1. earthquakes

2. Bursting of firecrackers

3. flooding

4. landslides

5. Lighting of a match stick

Slow changes are changes that are not easily observed during its occurrence. Some of which includes:

1. Rusting of iron

2. formation of day and night

3. ripening of fruits

4. growing of trees

5. Weathering

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