"what kind of social, problem-solving or technical skills are required? "

Mr. mann's science students were experimenting with speed. they set up a 1 meter (100 cm) track. the students used balls instead of cars. the balls were different sizes and made of different materials. four at a time, students rolled balls around the track to see which had the fastest and slowest speeds. some of their data are shown in the table. which ball will take the longest to complete one lap around the track?

8) this map shows the population density of india. the redder the area, the higher the concentration of the population. which is the most likely reason for the high population density in the northeastern part of india? a) there is little pollution there b) the ganges river is in the region c) most of the factories are located in that region d) most people want to live close to the himalaya mountains

Dr. robbins wants to know if there are different opinions regarding the value of public school education between native americans who have at least one relative who attended indian boarding school and native americans who have no family experience with indian boarding school. dr. robbins contacts 35 native american participants in each group. he wants each group to include younger as well as older adults, and a mix of male and female participants. he asks each person to complete a survey about their attitudes toward public education. the design of this study is: