Which situation would be considered pseudoscience? students gather to identify species of plants in their neighborhood. a student’s lucky necklace her win another volleyball tournament. students are successful in petitioning for organic food in the cafeteria. a student tries eating all natural foods for one month to see if she has more energy.

No copying 15 pts how does a free-body diagram tell you about the net force on an object?

Which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.

How is electrolysis most commonly used to produce an energy source? a - splitting water molecules produces oxygen, which organisms breathe to fuel their bodies. b - splitting water molecules produces hydrogen gas, which is used to power machines through hydrogen fuel cells. c - splitting carbon dioxide molecules produces coal, a form of carbon that can be burned to produce heat. d - splitting carbon dioxide molecules produces natural gas, which can be burned to generate electricity in power plants.