How long is one day on Earth?
12 hours
24 hours
18 hours
How deep is the Grand Canyon?
3000 metres
1000 metres
2000 metres
1500 metres
What is the name of the highest mountain in Africa?
Cumbre Vieja
Big Mountain
Kilimanjaro
Vesuvius
Which planet is closer to Earth? Venus or Mars?
Venus
What do you call the hot red rock that comes out of erupting volcanoes?
lava
How many countries are there in the world?
195
139
210
87
How many days in a "leap" year?
364
365
366
What is the largest ocean on Earth?
The Indian Ocean
The Atlantic Ocean
The Pacific Ocean
How long does it take the moon to orbit the Earth?
14 days
15 days
27 days
29 days
What is the name of the Earth's only satellite?
the moon
the system
the orbit
the sun
How long does the Earth take to go around the Sun?
325 days
265 days
465 days
365 days
What is the longest river on Earth?
the Amazon
the Mississippi
the Nile
the Thames