MCAS Massachusetts Comprehensive Assessment System (MCAS)MCQ 4 — Questions and Answers
Question 1: Which of the following is an example of a physical change?
- Iron rusting
- Wood burning
- Ice melting (Correct answer)
- Milk souring
Correct answer: Ice melting
Ice melting is a physical change because water changes state but its chemical composition (H₂O) remains the same.
Question 2: What is 25% of 200?
- 25
- 40
- 50 (Correct answer)
- 75
Correct answer: 50
25% of 200 = 0.25 × 200 = 50.
Question 3: In which region of Massachusetts is the city of Boston located?
- Western Massachusetts
- Central Massachusetts
- Cape Cod
- Eastern Massachusetts (Correct answer)
Correct answer: Eastern Massachusetts
Boston is located in eastern Massachusetts along the Atlantic coast.
Question 4: A student reads: 'The author contrasts the protagonist's optimism with the antagonist's pessimism to highlight the theme of hope.' What does 'contrasts' mean in this context?
- Compares similarities between two things
- Shows differences between two things (Correct answer)
- Combines two ideas together
- Repeats an idea for emphasis
Correct answer: Shows differences between two things
To contrast means to show how two things are different from each other.
Question 5: Which of Newton's laws states that for every action, there is an equal and opposite reaction?
- First Law
- Second Law
- Third Law (Correct answer)
- Law of Universal Gravitation
Correct answer: Third Law
Newton's Third Law states that every action force has an equal and opposite reaction force.
Question 6: A polygon has 6 sides. What is this shape called?
- Pentagon
- Hexagon (Correct answer)
- Heptagon
- Octagon
Correct answer: Hexagon
A hexagon is a six-sided polygon; 'hex' means six in Greek.
Question 7: Which amendment to the U.S. Constitution abolished slavery?
- 13th Amendment (Correct answer)
- 14th Amendment
- 15th Amendment
- 19th Amendment
Correct answer: 13th Amendment
The 13th Amendment, ratified in 1865, formally abolished slavery throughout the United States.
Which of the following is an example of a physical change?