Tips for ACT Reading/Science Sections

Whoops. Just realized I posted this on the wrong thread, so you can disregard this if you’d like…
By far, my worst section is the Science section. On my recent practice ACT I got a 31 for the science section. My reading section score also is on the lower end. I think my biggest issue with both is I take forever to read. I try reading and retaining the information but I always end up having to reread parts over and over before getting the answer. Both my reading and science sections, I always either finish my last question right as the time is up or don’t finish all the questions and have to guess the last couple. If anyone has some good exercises they do to improve their speed on these sections please do share!
On the other hand, my english and math score are solid, so if I can get the other two sections on the same level, I’d be thrilled.