What is the name of a famous tree in Japan?
Sakura tree
Which planet has rings that we can see?
Saturn
Which is the largest member of the cat family?
Siberian tiger
What is the world's largest bird?
Ostrich
What are the colors of the 5 Olympic rings?
yellow, red, green, black and blue
Who killed Hydra in greek mythology?
Heracles/Hercules
How many zeros are there in a bilion?
12 zeros (1 000 000 000 000)
Which planet of the Solar System is the smallest?
Mercury
Name at least one of Pluto's mooons.
Charon, Styx, Nix, Kerberos, and Hydra
