This planet spins the fastest, completing one whole rotation in just 10 hours. Which planet is it?
Mercury (sao Thủy)
Jupiter (sao Mộc)
The Sun
The Earth
How many teeth does an adult human have?
32
42
Where can you find the smallest bone in the human body?
middle ear
fingers
Male seahorses give birth to their young, not the females.
False
True
Sound travels faster in air than in water.
False
True
The oldest living tree is 4,843 years old and can be found where?
California
Amazon
Yes or No? Can you hear anything in outer space?
No
Dolly was the first ever living creature to be cloned. What type of animal was she?
Sheep
Donkey
Animals that eat both plants and meat are called what?
Omnivores
Carnivores
Lightning is hotter than the sun.
True
False
What is the smallest country in the world?
Mexico City
Vatican City
What is the tallest type of grass?
bamboo
lemon grass