Plants & Trees
What gas do plants absorb from the air?
Carbon dioxide
What metal is liquid at room temperature?
Mercury
What disease did the first vaccine prevent?
Smallpox
Who created the first successful airplane?
The Wright Brothers (Orville & Wilbur)
What is the largest country in the world by area?
Russia
What is the tallest type of tree in the world?
Redwood
What sport uses the terms “love” and “deuce”?
Tennis
Who discovered penicillin?
Alexander Fleming (1928)
Who invented the telephone?
Alexander Graham Bell
What is the world’s largest desert?
Antarctica (polar desert)
What tree is known as the “tree of life” in the tropics?
Coconut tree
What is the hardest part of the human body?
Tooth enamel
What medical imaging technology uses magnetic fields?
MRI
What invention replaced vinyl records in the 1980s?
The Compact Disc (CD)
What is the smallest ocean?
Arctic Ocean
What plant is known for closing when touched?
Venus flytrap
What is the largest internal organ in the human body?
Liver
What was the first successful human organ transplant?
Kidney (1954)
What invention ended World War II?
The Atomic Bomb
What is the capital of Belgium?
Brussels
What layer of bark is alive?
Inner bark
What is the most poisonous fish in the world?
Stonefish
What year was the first test-tube baby born?
1978
What invention enabled mass-produced books?
The Printing Press
What is the largest gulf in the world?
Gulf of Mexico