light up science （科学）5a 课件unit 4 earth, moon and sun lesson 2 phases of the m.pptx

U U NIT 4 NIT 4 E E E E ARTH, ARTH, ARTH, ARTH, MMMMOON OON OON OON AND AND AND AND S S S S UNUNUNUN 地球、月亮和太阳地球、月亮和太阳 Lesson 2 Phases of the Moon moon (月亮) moons phases (月相) shine (照射) The moon is beautiful. Why can we see only half the moon? The moon does not give out light. It reflects light from the sun. Some nights we see only half the moon. Do you know why? In a dark room, hold a ball above your head. Ask your friend to shine a torch on the ball. What can you see? Draw a picture. Why does the moon change its shape? You need You need You need You need ball stick torch double-sided tape Make a model. In a dark room, hold the ball above your head. Ask your partner to shine the torch on the ball. Move the ball to the four positions on the next page. What to doWhat to doWhat to doWhat to do ResultsResultsResultsResults What shapes of the moon do you see? Draw pictures. ConclusionConclusionConclusionConclusion As the moon moves round the earth, the shape of the moon (changes / does not change). When you see the moon from the earth, the bright shapes are called the “moons phases”. The moons phases change because we see the bright surface from different positions. The moon moves round the earth once every month. Work in groups of three. One student is the earth. One is the moon. One is the sun. Copy their movement. Which student moves the most? The moon reflects light from the sun. The moon moves round the earth once every month. When you see the moon from the earth, the bright shapes are called the “moons phases”. The moons phases change. I did an experiment. I made models. I took pictures of the moon. WorkbookWorkbookWo