Listening skill A lecture about an experiment

The pitch drop experiment is …

• The oldest experiment in history.

• the longest experiment in 1927.

• the oldest experiment that is still running today.

• None of the above

The creator of the experiment wanted to …

• have an experiment that lasted a long time.

• show the dangers of everyday material

• show that common substances have extraordinary properties.

Pitch is a substance

• That looks solid but is actually liquid

• That looks liquid but is actually solid

• That doesn’t appear to be solid or liqiid

The first time a drop of pitch fell was _________________

• eight years after the experiment began

• three years after the experiment began

• forty years after the experiment began

Which of the following sentences is not true?

• He never saw the pitch drop

• He was responsible for the experiment for over fifty years

• He took over the experiment in 1927

In the year 2000_____

• an electricity failure meant the pitch drop was not filmed

• scientists set up a live stream of the experiment

• the ninth drop of pitch fell

When pitch is at room temperature, you can break it _______________.

The speaker notes it's interesting how news about a slow experiment can spread __________________.

In 1988, the scientist responsible for the experiment missed seeing the pitch drop by _____________ minutes.

In total only _____ drops have fallen from the funnel.