What did they do in their experiment?

What did he do?

What is the aim of this experiment? What changes do you observe in thermimeter reading?

What did they observe by that experiment?

What did charles Darwin and his son Francls Darwin State on their experiment ?

What did Hertz observe in experiment to produce electomagnetic waves?

What apparatus do you use in this experiment ?

Explain the experiment performed be Griffith on Streptococcus pneumonia. What did he conclude from this experiment? Name the three scientists who followed up Griffith's experiments. What did they conclude and how?

(a) Explain the experiment performed by Griffith on Streptococcus pneumoniae. What did he conclude from this experiment? (b) Name the three scientists who followed up Griffith's experiments. (c) What did they conclude and how?

What do yon prove from this experiment ?