高一人教课标必修unitAstronomyAVisittotheMoon.pptVIP

Step 1 competition Step 2 fast-reading Step 3 detail reading Step 5 discussion Step 6 homework Step 4 summary 制作人:刘晓兰 . The Solar system A quiz on astronomy A quiz on astronomy A competition on astronomy Step 1 Part 1: True or False The earth moves around the sun. T F F F T 2. It takes the moon one day to move around the earth. 3. Earth is the only planet moving around the sun. 4. There is atmosphere on the moon. 5. Pluto is the smallest planet in solar system? Part 2: Multiple choice: ?1. _____ is the nearest planet from the sun ? A. Venus B Mars C. Mercury D. Uranus C 2. _____ is the biggest planet in the solar system? A. Mars B. Pluto C. Earth D. Jupiter D 3._____ was the first person landing on the moon? A. Armstrong B. Yang liwei C. Tom Cruise D. Issac Newton 4. When did he land on the moon? A. 1921 B. 1969 C. 1954 D. 1949 5. When did Yang Liwei go to the space? Oct,2003 B. Jan,2003 C. Oct,2004 D. Jan,2002 A B A How does the force of gravity change if you visit the moon? gravity: force that attracts objects in space towards each other. 万有引力，重力，地心引力 What is the earth’s natural satellite? The moon. （自然卫星） P30 Fast reading: Read the passage quickly, finish the true or false questions: The force of of gravity would change four times on their journey . ( ) 2. When they were on the moon, they would not feel the gravity because there was no gravity on the moon. ( ) 3. Since the gravity has changed, their walk didn’t need a lot of practice. ( ) F F F Step 2 3 times The force of gravity change 1 change ______________ as he left 2 change ___________ when he was in space 3 change ___________ when he was on the moon very strong disappeared very light Detail reading: Read Para 2 carefully and underline 3 sentences that are about the changes of the force of the gravity. (as he left, in space, on the moon) Step 3 Listen to Para 3 and fill in the blanks. When we got there, I wanted to _______