- What is the Ritcher Scale?
- Which space probe has travelled the furthest?
- How does a tornado start?
- Do whales grow tusks?
- Are all snowflakes the same?
- Why do tractors have such big tyres?
- What are nails made from?
- What was the biggest dinasaur that ever lived?
- Can insects walk on water?
Answers:
- The Ritcher Scale measures the strength of an earthquake.
- A probe called Voyager I, launched from Earth in 1977, is now 14 thousand million kilometres from the Earth.
- A tornado starts over very hotground. Here, warm air rises quickl and makes a spinning funnel.
- Yes, some whales like the narwhal has a tusk like a unicorn's.
- No they aren't, all snowflakes are differet.
- Tractors have huge tyres to stop them getting stuck in the mud.
- Fingernails and toenails are made from a hard material called keratin.
- The biggest dinosaur ever discovered is Argentinosaurus. It may have measured 40 metres from head to tail.
- Yes, they can. Some insects like pondskater has a slim, light bod with long, wide legs, which allow it to glide across the surface of the water.
There is many information about Egyptians, Greeks, Romans, pirates, explorers...
It is a nice book to have a basic information about cultural facts and a good way to check that we need to learn more vocabulary than we thought.
Surely an English child could be smiling, but for an English learner sometimes the dictionary is needed. For example: courtyard, seek, worship, barley, leek, beak, hatch...
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