Free WGU Integrated-Physical-Sciences Exam Dumps Questions & Answers

Which type of wave can travel through a vacuum?

• A.Seismic waves
• B.Radio waves
• C.Water waves
• D.Sound waves

Which process is responsible for the formation of V-shaped valleys?

• A.Erosion caused by wind
• B.Erosion caused by ground water
• C.Erosion caused by flowing water
• D.Erosion caused by ocean waves

Satellites used in a Global Positioning System (GPS) orbit around Earth, sending electromagnetic waves that GPS units in cars can use to determine their location on Earth.
Which type of electromagnetic radiation is used to send information from the GPS satellites to receivers on Earth?

• A.Ultraviolet radiation
• B.X-rays
• C.Microwaves
• D.Infrared radiation

A grocery store manager notices that items placed on the end of an aisle sell better than items on the shelves.
The manager suspects that items on the end of an aisle are more visible to customers walking past, so customers are more likely to purchase them.
Which type of scientific idea is the manager's assumption that visibility of items increases how often they are purchased?

• A.Observation
• B.Theory
• C.Hypothesis
• D.Law

A group of scientists perform an experiment involving the interaction of protons colliding at high energies.
The results of their experiment contradict current theories regarding these proton interactions.
What is the appropriate response in light of the results of this experiment?

• A.Other experiments should be done to confirm the findings of this experiment.
• B.The current theory should be modified to match the findings of this experiment.
• C.The scientists should change the results of their experiment to be consistent with current theories.
• D.The results of this experiment should be discarded.