testbank_scitech

= = =Science & Technology/Engineering=

for Math MCAS questions click here

Materials and Tools
2011 Spring Release, Science and Technology/Engineering - Grade 5 Question 2: Multiple-Choice Reporting Category: Technology/Engineering Standard: 1.3 - Identify and explain the difference between simple and complex machines, e.g., hand can opener that includes multiple gears, wheel, wedge, gear, and lever.

Which of the following objects is an example of a simple machine? || || A.
 * [[image:http://www.doe.mass.edu/mcas/images/2011/225223_0126_opt_a01.png width="159" height="152" caption="shows a plastic basket"]] ||
 * || B. || [[image:http://www.doe.mass.edu/mcas/images/2011/225223_0126_opt_b01.png width="170" height="119" caption="shows a ramp"]] ||
 * || C. || [[image:http://www.doe.mass.edu/mcas/images/2011/225223_0126_opt_c01.png width="178" height="108" caption="shows a bicycle"]] ||
 * || D. || [[image:http://www.doe.mass.edu/mcas/images/2011/225223_0126_opt_d01.png width="79" height="145" caption="shows a wrist watch that shows the hour and minute hands"]] ||

An athlete is choosing a material for his eyeglass frames. He wants a material that will not be easily damaged when he plays sports. The table below shows some characteristics of four different materials. Which material would be best for the athlete to choose for his eyeglass frames?


 * || A. || material 1 ||
 * || B. || material 2 ||
 * || C. || material 3 ||
 * || D. || material 4 ||

Engineering Design
2009 Spring Release, Science and Technology/Engineering - Grade 5 Question 18: Open-Response Reporting Category: Technology/Engineering Standard: 2.3 - Identify relevant design features (e.g., size, shape, weight) for building a prototype of a solution to a given problem.

A school needs a new bookcase to hold a set of encyclopedias, dictionaries, and other large books. The bookcase will be moved to different classrooms each day. The picture below shows the bookcase the school plans to buy, but the teachers think the bookcase has some design problems that make it a poor choice to use. 2008 Spring Release, Science and Technology/Engineering - Grade 8 Question 16: Multiple-Choice Reporting Category: Technology/Engineering Standard: 2.1 - Identify and explain the steps of the engineering design process, i.e., identify the need or problem, research the problem, develop possible solutions, select the best possible solution(s), construct a prototype, test and evaluate, communicate the solution(s), and redesign.
 * 1) Describe two design problems that make this bookcase a poor choice to use.
 * 2) Describe how the design could be changed to fix each of the problems you identified in part (a).

2008 Spring Release, Science and Technology/Engineering - Grade 8 Question 16: Multiple-Choice Reporting Category: Technology/Engineering Standard: 2.1 - Identify and explain the steps of the engineering design process, i.e., identify the need or problem, research the problem, develop possible solutions, select the best possible solution(s), construct a prototype, test and evaluate, communicate the solution(s), and redesign.

For a technology project, Kyle came up

with an idea to build a model bridge.

He wants his bridge to span 50 cm and

to support a 1 kg object. According to the engineering design

process, which of the following should

be Kyle’s next step?

kinds of bridges || bridges || build the bridge || to build the bridge ||
 * || A. || construct prototypes of different
 * || B. || research the different designs of
 * || C. || gather the materials needed to
 * || D. || make a drawing to show how

2007 Spring Release, Science and Technology/Engineering - Grade 5 Question 31: Multiple-Choice Reporting Category: Technology/Engineering Standard: 2.2 - Describe different ways in which a problem can be represented, e.g., sketches, diagrams, graphic organizers, and lists.

Rachel purchased a kit for making a skateboard ramp. Which of the following is most important to have for putting the ramp together? || || A.
 * a picture showing the colors of different ramp parts ||
 * || B. || a diagram showing some ways to use the ramp ||
 * || C. || a list of prices for other available kits ||
 * || D. || a set of instructions for the kit materials ||

2007 Spring Release, Science and Technology/Engineering - Grade 5 Question 37: Open-Response Reporting Category: Physical Sciences Standard: 1 - Differentiate between properties of objects (e.g.g, size, shape, weight) ad properties of materials (e.g., color, texture, hardness).

The pictures below show two cubes that are the same size. One cube is made of iron metal and the other cube is made of pine wood. The two cubes can be compared by their physical properties. One physical property is color. The iron cube has a gray color and the pine cube has a tan color.
 * a. || Name two other physical properties that can be used to compare the cubes. ||
 * b. || For each physical property that you named in part (a), describe how you could measure or test that physical property to compare the cubes. ||

2008 Spring Release, Science and Technology/Engineering - Grade 8 Question 20: Multiple-Choice Reporting Category: Technology/Engineering Standard: 5.1 - Describe and explain parts of a structure, e.g., foundation, flooring, decking, wall, roofing systems.

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.

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?

for the rooms. || for the house. || between the rooms. || hang objects in the house. ||
 * || A. || The wall provides heat insulation
 * || B. || The wall provides structural support
 * || C. || The wall provides a sound barrier
 * || D. || The wall provides a place to

2007 Spring Release, Science and Technology/Engineering - Grade 8 Question 20: Multiple-Choice Reporting Category: Technology/Engineering Standard: 4.4 - Explain basic processes in manufacturing systems, e.g., cutting, shaping, assembling, joining, finishing, quality control, and safety.

The tools shown in the picture below are used in a factory. In which of the following manufacturing processes are these tools most likely used?


 * || A. || assembling ||
 * || B. || cutting ||
 * || C. || finishing ||
 * || D. || shaping ||

2011 Spring Release, Technology/Engineering - High School Question 26: Multiple-Choice Reporting Category: Engineering Design Standard: 1.4 - Interpret and apply scale and proportion to orthographic projections and pictorial drawings (e.g., 1/4" = 1'0", 1 cm = 1 m).

The drawing below shows a design plan for a sled. The scale of the drawing is. What is the actual length of the front section labeled X ?


 * || A. || 20" ||
 * || B. || 21" ||
 * || C. || 25" ||
 * || D. || 29" ||

2011 Spring Release, Technology/Engineering - High School Question 34: Multiple-Choice Reporting Category: Engineering Design Standard: 1.3 - Produce and analyze multi-view drawings (orthographic projections) and pictorial drawings (isometric, oblique, perspective), using various techniques.

The diagram below represents a new mechanical part. Which diagram shows what the right side view of this part would look like on an engineering drawing?


 * || A. || [[image:http://www.doe.mass.edu/mcas/images/2011/225482_Kahron32_options_opt_a01.png width="48" height="70" caption="Graphic options- four different side profile drawings."]] ||
 * || B. || [[image:http://www.doe.mass.edu/mcas/images/2011/225482_Kahron32_options_opt_b01.png width="135" height="70" caption="Graphic options- four different side profile drawings."]] ||
 * || C. || [[image:http://www.doe.mass.edu/mcas/images/2011/225482_Kahron32_options_opt_c01.png width="48" height="70" caption="Graphic options- four different side profile drawings."]] ||
 * || D. || [[image:http://www.doe.mass.edu/mcas/images/2011/225482_Kahron32_options_opt_d01.png width="135" height="48" caption="Graphic options- four different side profile drawings."]] ||

2010 Spring Release, Technology/Engineering - High School Question 14: Multiple-Choice Reporting Category: Engineering Design Standard: 1.5 - Interpret plans, diagrams, and working drawings in the construction of prototypes or models.

A working diagram for a prototype of a motor is shown below. What is the diameter of one of the rotor magnets?


 * || A. || 1.0 in. ||
 * || B. || 2.0 in. ||
 * || C. || 4.0 in. ||
 * || D. || 8.0 in. ||

2008 Spring Release, Technology/Engineering - High School Question 4: Multiple-Choice Reporting Category: Engineering Design Standard: 1.5 - Interpret plans, diagrams, and working drawings in the construction of prototypes or models.

The dimensioned drawing below shows a

grooved block.

Which of the following is length X of

this block? || || A.
 * 7 in. ||
 * || B. || 9 in. ||
 * || C. || 10 in. ||
 * || D. || 13 in. ||

2011 Spring Release, Intro Physics - High School Question 8: Multiple-Choice Reporting Category: Motion and Forces Standard: 1.6 - Distinguish qualitatively between static and kinetic friction, and describe their effects on the motion of objects.
 * for describing swings**

A student pushes a book across a classroom table. Which of the following statements best explains the difference between the amount of force needed to start the book moving and the amount of force needed to keep it moving? || || A.
 * Less force is needed to start the book moving, because there is less friction than when it is already moving. ||
 * || B. || Less force is needed to start the book moving, because there is less potential energy in the table than in the book. ||
 * || C. || More force is needed to start the book moving, because there is more potential energy in the table than in the book. ||
 * || D. || More force is needed to start the book moving, because there is more friction than when it is already moving. ||

2011 Spring Release, Intro Physics - High School Question 19: Multiple-Choice Reporting Category: Motion and Forces Standard: 1.4 - Interpret and apply Newton's three laws of motion.

Two students are in-line skating. The diagram below shows student S pushing student T. Student S has a mass of 60 kg, and student T has a mass of 40 kg. Student S is pushing student T in a straight line with a force equal to the friction on student T’s skates. Which of the following must happen if student S continues to push student T with the same force? || || A.
 * Student T will lose his balance. ||
 * || B. || Student T will travel in a circle. ||
 * || C. || Student T will move at a constant velocity. ||
 * || D. || Student T will move at a constant acceleration. ||

2011 Spring Release, Intro Physics - High School Question 27: Multiple-Choice Reporting Category: Motion and Forces Standard: 1.4 - Interpret and apply Newton's three laws of motion.

A student is driving her car when an insect strikes her windshield. Which of the following statements best describes the forces in this situation? || || A.
 * The insect strikes the windshield with the same force as the windshield strikes the insect. ||
 * || B. || The insect strikes the windshield with a force, and the windshield exerts no force on the insect. ||
 * || C. || The insect exerts no force on the windshield, and the windshield strikes the insect with a large force. ||
 * || D. || The insect strikes the windshield with a small force, and the windshield strikes the insect with a large force. ||

**for discussing slides** 2009 Spring Release, Intro Physics - High School Question 43: Multiple-Choice Reporting Category: Motion and Forces Standard: 1.6 - Distinguish qualitatively between static and kinetic friction, and describe their effects on the motion of objects.

Which of the following statements best explains why it is usually easier to keep a sliding object moving than it is to start the object moving?
 * || A. || Kinetic friction is typically equal to static friction. ||
 * || B. || Kinetic friction is typically less than static friction. ||
 * || C. || Kinetic friction is a force that resists attempts to start an object moving. ||
 * || D. || Kinetic friction is a force that opposes the sliding of two objects over each other. ||