[O.02]One group of students did an experiment to study the movement of ocean water. The steps of the experiment are listed below. Fill a rectangular baking glass dish with water.

Place a lighted lamp near the left edge of the dish.

Place a plastic bag with ice in the water near the right edge of the dish.

Put a few drops of ink in the water.

Observe the ink flow from the side where the lamp is placed towards the side where the ice bag is placed.

What does the students' experiment most likely demonstrate?

Surface water sinks when heated.

Surface water moves from colder to warmer regions.

Surface water moves from warmer to colder regions.

Surface water moves irrespective of water temperature.

Question 2(Multiple Choice Worth 2 points)

[OSS.01]Copernicus and Kepler were astronomers who had proposed theories about the solar system. Copernicus believed that Earth and other planets circled a stationary sun. Kepler believed that the sun rotated like planets. Which of these statements best explains why Copernicus and Kepler made different observations about the solar system?

They used outdated data to make inferences.

They used incorrect methods of experimentation.

They had different goals which influenced their inferences.

They could not match their observations with their calculations.