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Imperial Library
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Index
Contents
Our planet
How did the Earth form?
How does the atmosphere keep us safe?
Where does the sun go at night?
How is the Earth like an onion?
Why don’t things float off the Earth?
Why can’t we live on Mars?
Did the chicken or egg come first?
Does land stay still?
Did everywhere freeze in thelast ice age?
The Earth’s surface
Do mountains grow?
Are volcanic flows slow or fast?
What happens when water gets superheated?
Is soil made of animals?
Do I contain minerals?
Which rock should I build with?
Can a cliff turn into sand?
Why do rocks form amazing shapes?
Could I become a fossil?
Can you freeze in a desert?
How does a sinkhole sink?
How do raindrops make a cave?
Do earthquakes hit the same places?
Do islands float?
How is a cactus like a camel?
Do swamp monsters exist?
Is there life on moss?
Blue planet
Why do things get carried out to sea?
Which waves can you surf?
Can we drink seawater?
Why does the Earth need the moon?
Where do rivers start?
Can a lake be bigger than a sea?
Where is the biggest waterfall?
How big are icebergs?
How is a glacier like a cheese grater?
What’s at the bottom of the ocean?
Where is the ocean’s twilight zone?
Up in the air
Is there air in space?
Why are there colors in the sky?
Why do we have seasons?
Why are places hot or cold?
Why does water fall from the sky?
Is that a dinosaur in the clouds?
Does lightning always strike the tallest spot?
Can humans make it rain?
How does a tornado form?
Living on the Earth
How many people live on the Earth?
How do countries begin?
How have we changed the Earth?
What is a city?
How do we feed everyone?
How do we find our way around?
How much plastic is in the ocean?
What is recycling?
How bad is a drought?
Is the Earth getting warmer?
How do trees help humans?
What is the future of energy?
Answers
Quiz your friends!
Glossary
Index
Acknowledgments
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