Mixed Deck — All STEM Topics Flashcards

Which equity consideration is most important when establishing a school maker space?

Answer: Ensuring all students have scheduled access time and appropriate scaffolding regardless of prior experience

Equitable maker spaces ensure all students—regardless of background or prior skills—have meaningful access and support, not just high-achievers.

A research team tests three different bridge designs under identical load conditions. What role do the identical load conditions serve?

Answer: They serve as controlled variables to ensure a fair test

Keeping load conditions identical controls extraneous variables so that differences in bridge performance can be attributed to design alone.

When teaching sustainability in engineering design, which lifecycle phase is most frequently overlooked by students but emphasized by professional engineers?

Answer: End-of-life disposal and recyclability

Professional engineers consider the full product lifecycle including end-of-life disposal, whereas students often focus only on the use phase.

What is the SI unit of electric charge?

Answer: Coulomb

The coulomb (C) is the SI unit of electric charge, equal to the charge transported by one ampere in one second.

What is the primary advantage of using supports in 3D printing?

Answer: They allow printing of overhanging features that would otherwise droop or fail

Support structures hold up overhanging geometry (typically anything over ~45° from vertical) during printing so it doesn't collapse before the layer below solidifies.

A STEM educator designs a lesson where students pose a question about the school garden, collect measurements, analyze findings, and present conclusions. Which framework BEST describes this approach?

Answer: The statistical investigation cycle: formulate questions, collect data, analyze, and interpret

The statistical investigation cycle (also called PPDAC: Problem, Plan, Data, Analysis, Conclusion) guides students through authentic, end-to-end statistical inquiry.

When documenting activities related to next generation science standards, which practice is considered essential for STEM certification holders?

Answer: Maintaining comprehensive records that include procedures, observations, results, and any anomalies

Comprehensive documentation that includes procedures, observations, results, and any anomalies is essential in next generation science standards. This supports quality assurance, enables peer review, and satisfies regulatory and audit requirements.

A STEM teacher has students calculate the mechanical advantage of simple machines using ratios. Which mathematical concept is MOST directly reinforced?

Answer: Proportional reasoning and ratios

Mechanical advantage is the ratio of output force to input force (or effort distance to load distance), directly reinforcing proportional reasoning and ratio concepts.

What is the principle of force in engineering?

Answer: Force is a push or pull on an object that changes its motion

In engineering, force is defined as a push or pull on an object that can cause it to accelerate, decelerate, or change direction. Engineers apply this principle to analyze and design structures, machines, and systems, ensuring they can withstand or generate specific forces for their intended function.

A school has limited lab supplies. Which strategy BEST allows all students to engage in hands-on inquiry despite resource constraints?

Answer: Using a rotation model where teams share equipment across time blocks

A rotation model maximizes access to shared equipment while keeping all students engaged in meaningful inquiry across the unit.

A standards-based grading approach in a math classroom differs from traditional grading primarily because it:

Answer: Reports mastery of specific learning targets rather than one composite grade

Standards-based grading communicates what specific skills a student has mastered, separating learning evidence from compliance or averaging behaviors.

A STEM professional encounters an unfamiliar situation while performing math-science cross-curricular lessons duties. What is the most appropriate first action?

Answer: Consult relevant standards, guidelines, or a qualified supervisor before proceeding

When facing unfamiliar situations in math-science cross-curricular lessons, the most appropriate action is to consult relevant standards, guidelines, or a qualified supervisor. This ensures safety, accuracy, and compliance while building professional knowledge.

What is the term for the energy required to remove an electron from an atom in its gaseous state?

Answer: Ionization energy

Ionization energy is the minimum energy needed to remove the outermost electron from a neutral gaseous atom.

Which teaching strategy best supports students in understanding trade-offs during the engineering design process?

Answer: Having students compare multiple design alternatives against criteria

Comparing alternatives against defined criteria helps students recognize that every design choice involves trade-offs.

A student measures the cooling of a hot liquid over time and fits an exponential decay curve to the data. This cross-curricular lesson connects which math and science topics?

Answer: Exponential decay functions and Newton's Law of Cooling

Newton's Law of Cooling describes temperature as an exponential decay function over time, directly connecting exponential models in math to heat transfer in science.

Which of the following is the BEST example of aligning formative assessment to a learning objective in a STEM class?

Answer: Using a quick sketch-to-explain prompt that matches the day's engineering design objective

A sketch-to-explain prompt directly tied to the day's engineering design objective aligns assessment with the intended learning target.

During peer review, a scientist's paper is returned with requests to clarify methodology. What is the primary purpose of peer review in science?

Answer: To validate findings by having qualified experts critically evaluate the work

Peer review allows experts to scrutinize methodology and conclusions, helping ensure scientific findings are valid and reliable.

Which principle does the engineering concept of 'redundancy' address in safety-critical systems?

Answer: Providing backup systems so a single failure does not cause total system failure

Redundancy ensures reliability by duplicating critical components so the system continues functioning if one component fails.

A student uses a 'when green flag clicked' block in Scratch. This is an example of which programming concept?

Answer: Event-driven programming

The 'when green flag clicked' block triggers code in response to a user action, which is the defining feature of event-driven programming.

Which quality assurance method is most commonly applied in block-based & text coding to verify that STEM professional standards are being met?

Answer: Structured audits, peer reviews, and performance metrics aligned with industry benchmarks

Structured audits, peer reviews, and performance metrics aligned with industry benchmarks are the most effective quality assurance methods in block-based & text coding, providing objective, measurable evidence that STEM standards are consistently met.