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必修5《Using LanguageⅡ》最新PPT课件优质课下载
Earth
Mars
Jupiter
Saturn
Uranus
Neptune
Planets of the Solar System
How many planets are there in the solar system？ Can you name them？
Sun
Mercury
Venus
Earth
Mars
Jupiter
Saturn
Uranus
Neptune
Quiz about the Solar System
?Who was the first person to walk on the moon?
What is the name of the force holding us to the Earth?
What is the closest planet to the Sun?
What planet is famous for its big red spot on it?
Neil Armstrong
?Who was the first person to put forward that the Sun is the center of the solar system?
Mercury