- Subjects
- Published
-
New York :
Dorling Kindersley
2024.
- Language
- English
- Edition
- 2024 edition
- Item Description
- Previously published as "Did you know?"--Cover.
"First American Edition, 2014."--Title page verso. - Physical Description
- 168 pages : color illustrations ; 29 cm
- ISBN
- 9780744098457
- Space
- How many stars are there?
- Why is the sun hot?
- What is a planet?
- What are Saturn's rings made of?
- What is the moon made of?
- What is a shooting star?
- How fast do rockets go?
- Could people live on the moon?
- Is there life on Mars?
- The Earth
- How big is the Earth?
- What's inside the Earth?
- Why do earthquakes happen?
- Why do volcanoes erupt?
- How deep is the ocean?
- Why does it rain?
- What is lightning?
- What is a tornado?
- Where does the sun go at night?
- Why is the Earth heating up?
- Living world
- Are plants alive?
- Why are leaves green?
- Why do plants have flowers?
- How many animals are there in the world?
- Why do lions have fur?
- How do birds fly?
- Are all snakes poisonous?
- How do tadpoles turn into frogs?
- How can fish breathe underwater?
- What's the biggest spider?
- How do caterpillars turn into butterflies?
- Why do wasps sting?
- Do animals have houses?
- Can anything survive in the desert?
- Do lions live in the jungle?
- What is a rainforest?
- History
- Did dinosaurs eat people?
- What happened to the dinosaurs?
- Did cavemen live in caves?
- When did people build the first houses?
- Who invented the wheel?
- What's inside a pyramid?
- Who were the ancient Greeks?
- What was a gladiator?
- How long is the Great Wall of China?
- Who were the Vikings?
- Who were the Aztecs?
- What was it like to live in a castle?
- What was it like to be an explorer?
- When were train engines invented?
- Science
- Why do ice pops melt?
- Why does metal get rusty?
- Why does fruit rot?
- What is energy?
- Where does electricity come from?
- How does a magnet work?
- What is a rainbow?
- What is an echo?
- What makes a car go?
- Why does a helicopter have a propeller on its tail?
- How do submarines work?
- How does a remote control work?
- How do cell phones work?
- Can computers think?
- Human body
- What's inside my body?
- Why do I get hungry?
- How many bones are there in my body?
- Why do I have muscles?
- Why do I get out of breath when I run?
- Why does my heart beat?
- What does my brain do?
- How do my eyes work?
- Why am I ticklish?
- Why do I sneeze?
- What causes a pandemic?
- Answers
- Index
- Acknowledgments