How does the three children react to the shadow in chapter 4 A Wrinkle in Time?

In Chapter 4 of "A Wrinkle in Time," the three children—Meg, Charles Wallace, and Calvin—react with a mix of fear and curiOSity to the shadow they encounter. Meg is initially frightened and feels a sense of foreboding, while Charles Wallace exhibits a more analytical approach, trying to understand the nature of the shadow. Calvin, supportive of Meg, also shares her apprehension but remains determined to face the unknown. Together, they navigate their emotions as they confront the mysterious presence.