HW 9
Principles of Science 7
Community Charter School of Cambridge
Name:
Section:
Date:
DIRECTIONS: Each of the following questions came from real MCAS exams. Answer
each question to the best of your ability. Record your thoughts on each answer choice
to show how you thought through the problem.
1. Which of the following bridges is an
example of a suspension bridge?
A _______________________________________
B _______________________________________
A.
C _______________________________________
D _______________________________________
B.
C.
D.
2. A stone arch bridge relies primarily on which of the
following for its load strength?
A _______________________________________
A. bending
B _______________________________________
B. compression
C _______________________________________
C. tension
D _______________________________________
D. torsion
*3. During the construction of a new building, workers
dug round holes in the ground and filled the holes with
steel and concrete. Which of the following parts of the
building was being built during this stage of construction?
A _______________________________________
B _______________________________________
A. the floor
B. the foundation
C. the plumbing
C _______________________________________
D _______________________________________
D. the walls
4. Which of the following pictures shows a beam bridge?
A _______________________________________
A.
B _______________________________________
C _______________________________________
B.
D _______________________________________
C.
D.
5. During a remodeling project, homeowners want to remove
a wall that separates two rooms in their house. The wall and
the two rooms are shown in the diagram below.
A _______________________________________
B _______________________________________
C _______________________________________
D _______________________________________
According to building codes, the homeowners must add a
beam in the ceiling when they remove the existing wall.
Which statement best explains why the homeowners must do
this?
A.
The wall provides heat insulation
for the rooms.
B.
The wall provides structural support
for the house.
C.
The wall provides a sound barrier
between the rooms.
The wall provides a place to
hang objects in the house.
D.
For tonight’s homework you are making five flashcards.
Flashcard Numbers
1-5
Front of Card
Write the name of one
force (ex: tension)
Back of Card
Write two things:
 A description of the
force
 A picture that shows
the force using arrows
Quiz yourself (or have someone quiz you) with your new flashcards. Remember to write
out which cards you missed. Do NOT simply list how many you missed.
Round #
HOW MANY
cards?
1
5
ALL cards
(use all NEW cards)
HOW MANY did
you get correct?
WHICH ONES
did you miss?
2
(use only MISSED cards from
Round 1)
3
(use all NEW cards again)
5
4
(use only MISSED cards from
Round 3)
5
(go through ALL your
engineering cards)
5
Remember to bring your flashcards to school tomorrow!
Your Signature