【實用教育app】Why is the sky blue?|最夯免費app-綠色工廠好玩App

Why is the sky blue?Cambridge University graduate and qualified teacher explains this commonly asked question in a simple way.Special features: * record your own voice-over, so even if you're away your kids can still have you read to them at bedtime!* six pre-recorded languages (English, Arabic, Chinese, Japanese, Russian and Turkish)Learn science in a fun way!Why is the sky blue? is the first in a new science book series... look out for the next one!