In summer's sway, with a rind so thick, inside lies the sun's juicy trick. Green or yellow, sweet and round, a picnic's joy can be found.

a cozy warm worm helps me fend off the winter coil around me

I’m loudest when you stop speaking, break me once and I’m gone.

If you add a pea To a six legged being, You get me, An act of Examining

Columbus travelled the seas with me, Harry's parents filled his vault with me. Lose one letter and you can measure fluids with me.