WGU C165 Integrated Physical Sciences - PA Questions and Answers

1. A mathematical model is used to predict the trajectory of a bullet fired from a gun. Which discipline of physical science is used to develop this model? Physics Chemistry Earth science AstronomyPhysics 2. An environmental scientist monitors pollutants in a lake. Which two disciplines of physical science does this scientist use? Choose 2 answers Astronomy Chemistry Earth science Physics Chemistry & Earth Science2 / 15 3. Which study involves both Earth science and physics? Calculating how much energy is associated with a hurricane Measuring the energy produced by a generator Comparing the composition of crude oil from different regions Monitoring changes in phosphorus levels of a lake Calculating how muchenergy is associated with a hurricane 4. Which question could be answered with a controlled experiment? Does ice melt faster in an empty glass or in a glass full of water? Do all planets have the same shape of orbit around the sun? What is the maximum distance between Earth and Jupiter? What is the length of the longest river in North America? Does ice melt fasterin an empty glass or in a glass full of water? 5. Which topic would be appropriate for a controlled experiment? Determining how fast different chemical pollutants dissolve in water Comparing the elements present in different stars Measuring how fast a river flows3 / 15 Predicting the path of a tornado Determining how fast different chemical pollu-tants dissolve in water 6. Which question requires a controlled experiment to answer? Which type of rock contains the most calcium? Which planet has the most moons? Which elements are found in Earth's atmosphere? Which fossils formed earliest in Earth's history? Which type of rock containsthe most calcium? 7. Sir Isaac Newton dis