Science
This planet spins so fast on its axis that one its days is shorter than 10 hours.
This is the hottest planet in our solar system- even hotter than Mercury.
Venus
This U.S. state is the only one made up entirely of islands.
Hawaii
This modern device uses GPS satellites to tell you where you are on Earth.
a GPS device/smartphone
This mammal is the largest animal on Earth.
blue whale
This ocean creature has three hearts and blue blood.
Octopus
This term describes a star exploding at the end of its life.
supernova
Mount Everest sits on the border of these two countries.
Nepal and China
This invention by Johannes Gutenberg is the 1400s allowed books to be made much faster
the printing press
This mammal can sleep standing up and has the largest land-animal heart.
elephant
This natural disaster happens when pieces of Earth's crust suddenly slip along a fault line.
Earthquake
This dwarf planet, discovered in 1930, was reclassified in 2006.
Pluto
This river, the longest in the world, flows through northeastern Africa.
the Nile
This invention by Alexander Graham Bell in 1876 made long-distance real-time communication possible.
the telephone
This unusual mammals lays eggs instead of giving live birth.
platypus
This gas makes up most of Earth's atmosphere- about 78%.
Nitrogen
This is the name of the galaxy where Earth is located.
The Milky Way
This continent is the only one that has no permanent human population.
Antarctica
This fast-running mammal can reach speeds up to 70 mph.
cheetah
This animal is the only mammal capable of true flight.
Bat
This rocky belt in space lies between Mars and Jupiter.
The Asteroid Belt
This desert is the largest hot desert on Earth.
The Sahara Desert
This mammal uses echolocation to see in the dark.
bat