宇宙

前言
本书使用指导
“清华少儿英语科学馆”系列每日学习计划表
LEVEL 1
　Quiz 01　What happens to you in space?（在太空中你会发生什么变化？）
　Quiz 02　How long would it take to reach the sun at 100 km/hr?（如果以每小时100千米的速度飞向太阳，多久能够到达？）
　Quiz 03　Why do stars have different colors?（为什么星星会有不同的颜色？）
　Quiz 04　What are Saturn’s rings mostly composed of?（土星的光环主要是有什么物质组成的？）
　　Words Review 1（单词回顾1）
LEVEL 2
　Quiz 05　How many kilometers are in a light year? （1光年等于多少千米？）
　Quiz 06　Which was the first animal launched into space?（第一个被送入太空的动物是什么？）
　Quiz 07　Where do astronauts sleep in space?（在太空中，宇航员在哪儿睡觉？）
　Quiz 08　What are stars mostly made of?（恒星主要是由什么物质组成的？）
　　Words Review 2（单词回顾2）
LEVEL 3
　Quiz 09　Which planet does not have a moon?
　Quiz 10　Why is Mars reddish?
　Quiz 11　Where is the world’s largest radio telescope located?
　Quiz 12　Why does the Earth move around the sun?
　Words Review 3
Answers
Workbook
LEVEL 4
　Quiz 13　How long can the first men’s footprints on the moon remain visible?
　Quiz 14　What is the temperature at the center of the sun?
　Quiz 15　What is a shooting star before it burns up？
　Quiz 16　Why is a black hole black?
　　Words Review 4
LEVEL 5
　Quiz 17　How fast does a spaceship go?
　Quiz 18　What color is the sky on the moon?
　Quiz 19　What is the biggest difference between planets and stars?
　Quiz 20　How big is a black hole?
　　Words Review 5
LEVEL 6
　Quiz 21　Why do stars look twinkle?
　Quiz 22　How many stars does the Milky Way Galaxy contain?
　Quiz 23　How much do you think you would weigh on Mars if you weighed 100kg?
　Quiz 24　Do the constellations move across the sky?
　Words Review 6
Answers
Workbook