What was the last name of the brothers who invented the first working airplane?
Orville and Wilbur Wright (Wright Brothers)
25
Who invented the Phonograph (record player)?
Thomas Edison
25
次の植物のうち、離弁花類に分類されるのはどれ? ①ツバキ ②アサガオ ③タンポポ
①ツバキ
20
Where was gunpowder originally invented? a. Germany b. England c. China d. India
c. China
20
This invention allows us to tell which direction we are going?
Compass
15
What is this invention?
Microscope
15
水100gに溶ける物質の限度の質量(g)をなんと呼ぶ? Hint 〇〇度
溶解度
25
This inventor thought of and designed a flying machine, a parachute, a helicopter and many other inventions while also painting the Mona Lisa. Who is he?