Page 55 - 8. Sınıf İngilizce Etkinlik Fasikülü

SCIENCE 9. ÜNİTE FÖYÜ

discover

keşfetmek

Exercise 4: Write the simple past tense form of the verbs in brackets to complete the
sentences. (Cümleleri tamamlamak için parantez içindeki fiillerin di’li geçmiş zaman for-
munu yazalım.)

1. American geneticist and biophysicist, James Watson discovered (discover) the
structure of DNA in 1953.

2. In the 1860s, many scientists (think) that microbial life generated
from air alone.

3. Marie Curie (win) the 1911 Nobel Prize in Chemistry for her
discovery of the elements radium and polonium.

4. Stephanie Kwolek (invent) the Kevlar, a kind of synthetic material
that is five times as strong as steel, in 1971.

5. The inventor of the first telephone, Graham Bell (say) "Mr. Watson.
Come here. I want to see you." on the phone for the first time.

6. Canan Dağdeviren, Turkish physics engineer, (succeed) to develop
a device diagnosing skin cancer in 2009.

7. Turkish biochemist, Aziz Sancar (become) the pride of Turkey after
receiving the 2015 Nobel Prize in Chemistry for his researches of DNA repair.

8. Isaac Newton is probably most famous for discovering gravity, but he (make)
many scientific discoveries and inventions throughout his career.

9. Thomas Alva Edison (create) an impressive amount of objects
we use in our everyday life.

GRADE 8 ENGLISH 55