【021】Measuring the Weather
【023】Seasons
【010】Rocks and Soil
【025】Heat
【017】Living Things vs Nonliving Things
【018】People Find New Homes
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【016】What Animals Need to Grow
【014】Soil,Liquid,Gas
【013】Observing Matter
【029】Motion
【030】Magnets
外教英语教学【004】Type of Animals
【011】Saving Natural Resources
【024】The Sky
【015】Matter and Its Changes
【027】Sound
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【022】Clouds and Rain
【008】How Does Earth Change
