A student heats a liquid on a burner. What happens to the portion of liquid that first begins to warm? It loses energy.
It becomes less dense.
It sinks downward.
Its molecules get closer together.

The nuclear fission process releases neutrons and question 27 options: alpha particles electrons energy beta particles

Mike and mitchell decide to have a foot race. they mark off a stretch of 100 yards, and recruit cindy to work the stopwatch. after running the race and looking at the results, cindy declared that mitchell was the fastest. so how did the boys times compare?

Which fact represents evidence for the big bang theory?