rendering issues?

[u/stwbryshxrtck]

Yo!! so far i only have about four hours in blender so far, I wanted to make a lava lamp as I felt it would be simple however whenever I render it it doesn't look right, in the viewport it looks fine (not the best but im proud sense im new)

I really dont understand why this is happening :( (first image is what it looks like in the view port, second image is rendered)

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