8. Sınıf İngilizce Past Scientific Events and Developments Testi Çöz

1 )Which sentence talks about a past scientific event?

A) Scientists are studying DNA now.
B) Scientists will study DNA tomorrow.
C) Scientists discovered the structure of DNA in the twentieth century.
D) Scientists study DNA every day.
Boş

2 )Alexander Fleming ---- penicillin's antibacterial effect in 1928.

A) discovers
B) is discovering
C) will discover
D) discovered
Boş

3 )Which sentence correctly describes a past scientific achievement?

A) Marie Curie studied radioactivity and won two Nobel Prizes.
B) Marie Curie study radioactivity and win two Nobel Prizes.
C) Marie Curie is studied radioactivity yesterday.
D) Marie Curie was win two Nobel Prizes.
Boş

4 )A: When did the researchers find the fossils? B: They ---- them last summer.

A) find
B) found
C) are finding
D) will find
Boş

5 )Which time expression refers to the past?

A) at the moment
B) these days
C) in the nineteenth century
D) next year
Boş

6 )Read the text: “In 1969, astronauts travelled to the Moon. They collected rock samples and returned safely to Earth.” Which event happened last?

A) They travelled to the Moon.
B) They collected rock samples.
C) They prepared before travelling.
D) They returned to Earth.
Boş

7 )Scientific timeline: 1876 — Bell patented the telephone. 1928 — Fleming observed penicillin's effect. 1969 — astronauts landed on the Moon. Which event occurred first?

A) Bell's work on the telephone
B) Fleming's penicillin observation
C) The Moon landing
D) All events happened in the same year
Boş

8 )A report says, “The device failed during the first test, so the engineers changed its design. The second test succeeded.” What happened after the failure?

A) They ended all scientific work immediately.
B) The engineers redesigned the device.
C) They announced success before making changes.
D) They repeated the same design without testing it.
Boş

9 )I. Researchers found an unknown fossil. II. They examined it in the laboratory. III. They compared it with known species. IV. They published their conclusion. Which order describes a logical past research process?

A) IV – I – III – II
B) II – IV – I – III
C) I – II – III – IV
D) III – II – IV – I
Boş

10 )Read the passage: “Early computers filled entire rooms and performed limited calculations. Over time, engineers produced smaller and faster machines. Today, portable devices can complete tasks that were impossible for early computers.” What is the main idea?

A) Early computers were smaller than today's portable devices.
B) Engineers stopped improving computers after the first models.
C) Modern devices perform fewer tasks than early computers.
D) Computer technology developed from large, limited machines into smaller and more powerful devices.
Boş