Which is the only planet in solar system that can be seen with the naked eyes? How far is the distance between the Sun and Mars? How many moons do Mars have? What are their names and meaning? Why can’t humans live on Mars?

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What is the most common way for people to communicate? How do people say hello in Japan? How to say good luck in Brazil? How long is the Great Wall of China? How many people could Coliseum hold? How do you say ‘excuse me’ in Norway?

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How many planets are there in the solar system? When can we see Mercury? What are asteroids? What are the different parts of the solar system?

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What does the picture on the stamps teach? How does Maya takes care of her coins? Which time is the best to find the seashell? Why? What kinds of button does Ram have? How do can we peel the label of bottle off?

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Which two seas does Suez Canal join? Why did one of the first civilizations begin in Egypt even though most of it is desert? What are the crops commonly grown in Egypt? Why did Egyptians build pyramids?

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How was the Moon formed? Which is the brightest object in the sky after the sun? What is a tide? Who walked on the Moon in 1969 AD? Is it possible for people to live in the Moon? Justify your answer.

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Where are ants found? What does an ant emit through its antenna? How does it help? Ants are social animals. Justify your answer. How many types of ants are there in the colony? What does a worker ant do?

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What do dog trainers do? What is seeing-eye dog’s job? What are the three ways of taking care of a dog?

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What made King Manuel angry? Why do you think King Manuel send men to Magellan’s voyage? What happened along the Africa’s coast? What happened at Brazil’s shore?

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When is the earthquake felt? Why do earthquakes happen? What is called eruption? What should you do when an earthquake starts? Why does earthquake often shake California?

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