STEM Test

Question 1

Engineering and Design Process step 1.

Answer 1

1. Identify the Problem:** Clearly define the problem or challenge.

Question 2

Engineering and Design Process step 2:

Answer 2

2. Research:** Gather information and data related to the problem.

Question 3

Engineering and Design Process step 3

Answer 3

3. Brainstorming:** Generate creative ideas and potential solutions.

Question 4

Engineering and Design Process step 4

Answer 4

4. Design:** Develop detailed plans, sketches, or prototypes.

Question 5

Engineering and Design Process step 5

Answer 5

5. Build or Prototype:** Construct a physical model or prototype.

Question 6

Engineering and Design Process step 6

Answer 6

6. Test and Evaluate:** Assess the performance and functionality.

Question 7

Engineering and Design Process step 7

Answer 7

7. Iterate:** Make improvements based on testing results.

Question 8

Engineering and Design Process step 8

Answer 8

8. Communicate:** Present the final design and findings to others.

Question 9

Criteria:

Answer 9

Measurable standards used to evaluate the success of a design.

Question 10

Constraints:

Answer 10

Limitations or restrictions affecting the design process (e.g., budget, time, resources).

Question 11

Causes of Earthquakes:

Answer 11

Tectonic Plate Movements: The shifting of Earth’s plates is a primary cause.
Volcanic Activity: Eruptions can induce seismic events.
Human Activities: Some earthquakes result from human actions like mining.

Question 12

Seismic Wave

Answer 12

Seismic waves are caused by the sudden movement of materials within the Earth.

Question 13

P wave

Answer 13

Primary waves are the first to appear and can travel through solids, gases, and liquids.

Question 14

S wave

Answer 14

Secondary waves that only travel through solids.

Question 15

Tremor

Answer 15

A small earthquake in which the ground shakes slightly.

Question 16

Richter Scale:

Answer 16

• A logarithmic scale measuring the magnitude (energy release) of earthquakes.
• Each whole number increase signifies a tenfold increase in amplitude and energy release.

Question 17

Tension:

Answer 17

Force pulling materials in opposite directions.

Question 18

Compression:

Answer 18

Force pushing materials together.

Question 19

How do 3D Printers Work?

Answer 19

Layer-by-Layer Printing: Additive manufacturing by building objects layer by layer.
Material Deposition: Materials like plastics, metals, or powders are deposited and solidified.

Question 20

How are 3D Printers Used in Society?

Answer 20

Manufacturing: Prototyping and producing customized products.
Medical Field: Creating personalized implants and prosthetics.
Education: Visualizing complex concepts and creating models.
Architecture: Developing detailed scale models of buildings.
Art and Design: Bringing intricate designs to life.

Question 21

The contractors are limited to working no more than 5 people on any one day, and cannot work on Sundays

Answer 21

Constraints

Question 22

2) The final laptop design cannot exceed 13.5 ounces

Answer 22

Criteria

Question 23

3) The floor design for the new grocery store cannot exceed 13K square feet

Answer 23

Constraint

Question 24

4) The engineers can only use steel in the support construction of the new bridge

Answer 24

Criteria

Question 25

5) According to the design challenge, the team has no more than 3 hours and 15 minutes to create their product

Answer 25

Constraint

Question 26

6) The lifeboats must be able to hold 100 people each.

Answer 26

Criteria

Question 27

7) The designers will only have hot glue guns, X-Acto knives, pliers, and drills to create their models and prototypes.

Answer 27

Constraint