Water is poured into an ice tray and placed in a freezer. Which of the following best describes what will happen to the molecules of water? A. The molecules will speed up in motion B. The molecules will not change in movement C. The molecules will slow down in movement D. The molecules will get speed up and get further apart

How has the scientific community addressed the safety of chemicals? a. chemicals are repeatedly tested, even those that have existed for a long time. b. existing chemicals are tested if they have never been tested before. c. chemicals are tested if they are suspected to have caused a problem. d. only new chemicals are tested.

Atrain travels 74 kilometers in 3 hours, and then 81 kilometers in 5 hours. what is its average speed?

How can a give a full method for the experiment of separating sand from water by filtration? 1-materials 2-steps 3-conclusion also for water and salt separated by the evaporation or distillation process