A:AnswerThe new iPad is marginally heavier than the iPad Pro, weighing in at 469 grams (or 478g for cellular), compared to the iPad Pro's 437 grams (or 444g for cellular). The new iPad is also 1.4mm thicker than the iPad Pro, which may be down to the larger battery.
A:AnswerI recommend at least a case for it especially one that closes and turns your iPad in sleep mode. I bought the Speck folio case and it has been great for my use. I didn't buy a glass screen protector especially since the folio case protects the case, I also got apple care so that did play a part into why i didn't invest in a glass screen protector.
A:AnswerNEGATORY ghost rider - there is a lightning port, like almost all other apple products that you can connect - you can get a lightning to USB-A adapter you can get or a flash drive with lightning connection. Not sure what you are trying to do.