Which of the following tools should a scientist use to measure an object in Kelvin? (2 points)

Which of the following units for distance is an SI unit? (2 points)

Four groups of scientists, in different parts of the world, are dating fossils found in a rock layer of the same geologic time period. To validate the age of their fossils, the results of their tests would need to be (2 points)

Which of the following best represents both accuracy and precision? (2 points)

Steve poured equal volumes of water into five separate containers. The total volume of water in the five containers is three liters. What is the volume of water in each container? (2 points)

Two students completed an experiment to determine if pesticide use at local farms was causing fish kills in a local pond. The steps of the experiment are listed below. Select one location to collect water samples in the pond. Collect a 5-mL water sample at 8 am, 12 pm, and 6 pm for 10 days. Measure the amount of pesticide present in each sample using different measurement tools. After analyzing their data, the students conclude that pesticide runoff from farms is causing the fish to die in the pond. Which of these statements best describes why their conclusion is not valid? (2 points)

A scientist wants to know if consuming fast food increases obesity in teens. He interviews 500 nutritionists, and 450 of them believe fast food consumed more than once a week increases obesity. The scientist concludes that consumption of fast food increases obesity. Why is the scientist’s conclusion most likely unreliable? (2 points)

Scientists in different parts of the world study the path and speed of a newly discovered comet. If the results of the studies are identical, they would most likely be (2 points)

Two students completed an experiment to determine if pesticide use at local farms was causing fish kills in a local pond. The steps of the experiment are listed below. Select different locations to collect water samples in the pond. Collect a 5-mL water sample at 8 am at a different location each day for 10 days. Measure the amount of pesticide present in each sample using the same measurement tools. After analyzing their data, the students conclude that pesticide runoff from farms is not causing the fish to die in the pond. Which of these statements best describes why their conclusion is not valid? (2 points)

In seeking to understand the effect a medium may have in the civic process, one must remove the technology from social context