Really? : Science 과학 편 (책 + 오디오 CD 1장)

Preface
이 책은 이렇게 공부하세요
'Really?' 시리즈 일일학습 계획표

Level 01
Quiz 01 How can you tell the age of a tree?
Quiz 02 Why does a pencil look bent in a glass of water?
Quiz 03 Can music help a plant grow better?
Quiz 04 Why is the ozone layer helpful?
Words Review 1

Level 02
Quiz 05 Why did dinosaurs become extinct?
Quiz 06 Whd do we use red to indicate 'Stop' in traffic lights?
Quiz 07 Why does salt melt ice?
Quiz 08 Why are some bacteria good for you?
Words Review 2

Level 03
Quiz 09 Is the inside of the Earth soft or hard?
Quiz 10 How much of the Earth's surface is covered by water?
Quiz 11 Where does oil come from?
Quiz 12 What do plants breathe?
Words Review 3

Level 04
Quiz 13 Why are tirs black?
Quiz 14 What ingredients in chocolate harm dogs?
Quiz 15 Which freezes quicker, hot water or cold water?
Quiz 16 Did humans live at the same time as dinosaurs?
Words Review 4

Level 05
Quiz 17 When we cook chicken, what should we use to make it softer?
Quiz 18 Why do flies touch their front legs again and again?
Quiz 19 Why is the Earth round?
Quiz 20 Why is the sky blue?
Words Revieew 5

Level 06
Quiz 21 What happens when you put an egg in vinegar?
Quiz 22 What should you do if you get oil on your clothes?
Quiz 23 How many pieces were the continents 400 million years ago?
Quiz 24 Where do vegetable oil come from?
Words Review 6

The Answers