STEM MCAS Questions Only

6.MS-ETS1-1. A company is designing a new laptop computer. The computer must not exceed a certain weight. Which of the following is the most likely reason to have a weight restriction for the computer?

• to make it easier to test the prototype
• to reduce the cost of making the computer
• to make it easier to transport the computer
• to reduce the cost of building the prototype

7.ETS.1.2

• The rain garden would take less time to make.
• The rain garden would be less expensive to maintain.
• The rain garden would help prevent erosion of the area.
• The rain garden would move more water across the ground.

7.ETS.1.2 Part A Some students chose to use number cubes to build the model house. Identify two criteria from the decision matrix that the students used to make their choice.

7.ETS.1.2 Part B Based on the decision matrix, the other students in the class determined there was a better type of block to use for building the model house than the number cubes. Identify the type of block that is better for building the model house than the number cubes. Include evidence from the decision matrix to explain your reasoning.

7.MS-ETS1-4. A medical company designs a new device to measure a person’s vital signs, including heart rate and blood pressure. During the design process, the company produces several prototypes. During which of the following steps is it most appropriate to use a prototype?

• distributing information about the device
• researching how vital signs are measured
• testing whether the device works properly
• determining which vital signs are most important

6.ETS.1.5 A city street must be widened. The street cannot be too close to the buildings on it. Which of the following would best show how close the widened street would be to the buildings?

• floor plans of each building
• photographs of each building
• site plans of the areas in front of each building
• photographs of the views from the front doors of each building

6.ETS.1.5 The diagram below shows the outline of a box that is closed on all sides. Picture of a rectangular box that has a length twice its width and a height equal to its width. Which of the following patterns could be used to create the box?

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6.ETS.1.5 Use a ruler from the toolbar to answer this question. A vehicle was sent to the planet Mars to collect scientific data. The actual dimensions of the vehicle are labeled in the drawing.

• 1 in. = 20 ft.
• 1 in. = 2 ft.
• 2 in. = 1 ft.
• 20 in. = 1 ft.

7.ETS.1.7 A company is developing a new kind of camera. Which of the following best describes a prototype for the camera?

• a full-size working version of the camera
• a three-dimensional clay model of the camera
• a list of the materials needed to build the camera
• a drawing showing the different sides of the camera

6.ETS.2.1 Part I: Concrete is ________________,

• very heavy
• low in density
• high in strength