Wonderopolis.
                                            Authors : National Center for Families Learning
                                            
                                                                                    
                                        
                                    Welcome to Wonderopolis®, a place where natural curiosity and imagination lead to exploration and discovery in learners of all ages. Each day, we pose an intriguing question-the Wonder of the Day®-and explore it in a variety of ways. Examples of questions : What is a fish tornado? Why are rainforest important? How far can a paper airplane fly? The website also offers a series of arts and crafts videos : Wonders with Charlie. [Source : Wonderopolis website]
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