Agroup of scientists is developing a new chemical compound. they want to test its effects on an aquatic ecosystem using a nearby ocean bay. they enclose a region of a bay with an insulated covering to create an isolated system in which to do their experiment. predict what would happen to living organisms in this isolated experimental system.

Suggest why placing wheels under a heavy box reduces the neccessary force required to push it along at a constant speed.

Diego conducted an experiment to find out what kind of ball bounces the highest when dropped from a five-foot platform. he used a golf ball, a tennis ball, and a soccer ball. he dropped each ball from the balcony once. diego recorded his observations after each drop. what can diego do to best improve the reliability of his results? a) drop each ball from the platform three more times b) record his observations in more than one unit c) write at least two scientific questions after the experiment is complete d) share his results with other people who have done similar experiments you for the !

Select the word from the list that best fits the definition a system made of 25 satellites