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

A man holding a stick hits a ball directly upward with the stick.
What type of energy conversion takes place from just after the ball leaves the stick to when it reaches its highest point?

• A.  The thermal energy of the ball is converted to elastic potential energy.
• B.  The chemical potential energy of the ball is converted to thermal energy.
• C.  The kinetic energy of the ball is converted to gravitational potential energy.
• D.  The thermal energy of the ball is converted to chemical potential energy.

A water molecule consists of two hydrogen atoms bonded to an oxygen atom.
Which type of substance is water?

• A.  Isotope
• B.  Element
• C.  Compound
• D.  Mixture

A scientist measures the change in temperature from a chemical reaction over a three-day period in a single experiment. When the scientist analyzes the data, the results are five degrees Celsius higher than reported by other scientists after studying the same reaction.
How can the scientist appropriately resolve this problem?

• A.  Publish the results as a contradiction to the previous studies
• B.  Only include data that matches the results from previous studies
• C.  Perform the experiment again
• D.  Discard all of the data and report that the results should have matched previous studies

Which graph represents the mass versus the acceleration of objects with different masses pulled by the same net force?

• A. 
• B. 
• C. 
• D. 

The following graph shows the speed of a sound wave versus frequency in a room at a constant temperature.

What does the graph indicate about the relationship between the speed of the sound and frequency?

• A.  The speed is inversely proportional to frequency.
• B.  The speed is quadratically related to frequency.
• C.  The speed is directly proportional to frequency.
• D.  The speed is not correlated to frequency.