Does it seem odd to you to teach probability during our science experiment time? It seems more like a math topic, right? Science and math are truly integrated (chemistry, physics, etc all involve math).
However, it helps to know how science and probability are connected. Understanding odds helps us in the discussion of origins. During the middle school years, our children will read It Couldn’t Just Happen, discussing this very topic.
Another homeschool blogger assembled these great resources for teaching probability: