Thanks to these experiments, we realized that light doesn't travel the same way everywhere; we saw how it bent and changed direction when passing from water to air. We learned what refraction is, which is a super basic concept of light and really easy to grasp with practice. We had no idea how important these properties of light were for today's technology, like fiber optics for flying-fast internet. And the best part is that, besides learning a bunch of new stuff, we had fun!"
An opaque object does not allow light to pass through. A translucent object allows light to pass through. In an object that reflects light, when light hits it, it changes direction and is reflected elsewhere. Light tells us the shape of the object, whether it is translucent, opaque, or reflective.
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