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Engineering: explore STEM content (page 9 of 27) · openstem

All fields Software Mathematics Physics Chemistry Biology Engineering Astronomy Environmental Other Engineering Engineering groups

Explore STEM Content

Search the community's STEM library — free to study, yours to make your own.

Engineering

Circuits, mechanics, materials and design on openstem — flashcards, notes, quizzes, sketches and flowcharts shared by the community. Study free, or clone anything into your library.

Content Groups1

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Flowchart13 objects

Engineering

Engineering · L2 · Standard Part vs. Custom Part

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Engineering · L2 · Standard Part vs. Custom Part

Quiz4 questions

What does the saying "measure twice, cut once" mean?

AAlways cut things in halfBCheck your measurement again before cutting, so you don't make a mistakeCYou should never cut anythingDCutting is more important than measuring

Engineering

Engineering · L1 · Measuring & Units Quiz

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Engineering · L1 · Measuring & Units Quiz

Collection5 items

01Engineering · L3 · Beam Bending

02Engineering · L3 · Beam Bending

03Engineering · L3 · Beam Bending & Moment of Inertia

+2 more

Engineering

Engineering · L3 · Beam Bending

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Engineering · L3 · Beam Bending

Flashcards9 cards

What is an electromagnet?1 / 9

A magnet made using electricity — a coil of wire wrapped around a core (usually iron) that only acts like a magnet while an electric current is flowing through the wire.

Engineering

Engineering · L2 · Electromagnets

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Engineering · L2 · Electromagnets

Flowchart7 objects

Engineering

Engineering · L1 · How a Buzzer Makes a Sound

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Engineering · L1 · How a Buzzer Makes a Sound

Flashcards10 cards

What does it mean to 'count the cost' of a project?1 / 10

It means adding up how much money all the parts and supplies cost, so you know the total price before you start building.

Engineering

Engineering · L1 · Counting the Cost

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Engineering · L1 · Counting the Cost

Flashcards8 cards

How does a remote control talk to a TV without wires?1 / 8

It sends an invisible signal through the air. The TV has a sensor that catches the signal and reacts.

Engineering

Engineering · L1 · Remote Controls & Signals

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Engineering · L1 · Remote Controls & Signals

Collection5 items

01Engineering · L2 · Circuit Diagram Symbols

02Engineering · L2 · Tracing a Schematic

03Engineering · L2 · Reading Circuit Diagrams

+2 more

Engineering

Engineering · L2 · Reading Circuit Diagrams

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Engineering · L2 · Reading Circuit Diagrams

Quiz4 questions

Why does a metal spoon left in hot soup get hot to touch?

AMetal is a good heat conductor, so heat moves through it fastBMetal makes its own heatCThe soup only heats metal, not other materialsDMetal spoons are always warm

Engineering

Engineering · L1 · Materials That Change With Heat Quiz

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Engineering · L1 · Materials That Change With Heat Quiz

Flashcards10 cards

What is pressure, in simple terms?1 / 10

Pressure is how hard a fluid pushes against the walls of whatever holds it. More pressure means a stronger push.

Engineering

Engineering · L2 · Pressure & Fluids in Pipes

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Engineering · L2 · Pressure & Fluids in Pipes

Flowchart5 objects

Engineering

Engineering · L3 · Pumps & Head Quiz · flowchart

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Engineering · L3 · Pumps & Head Quiz · flowchart

Quiz4 questions

Which bridge type is just a flat plank across a gap?

ABeam bridgeBArch bridgeCSuspension bridgeDNone of these

Engineering

Engineering · L1 · Bridges for Kids Quiz

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Engineering · L1 · Bridges for Kids Quiz

Flowchart5 objects

Engineering

Engineering · L3 · Ohm's Law & Power · flowchart

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Engineering · L3 · Ohm's Law & Power · flowchart

Flowchart7 objects

Engineering

Engineering · L2 · How a Wind Turbine Makes Electricity

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Engineering · L2 · How a Wind Turbine Makes Electricity

Quiz6 questions

According to professional engineering codes of ethics, which of these is typically placed above all other considerations?

AMeeting the project deadlineBThe safety, health, and welfare of the publicCMinimizing the project's costDSatisfying the client's exact preferences

Engineering

Engineering · L3 · Ethics and Professional Responsibility

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Engineering · L3 · Ethics and Professional Responsibility

Flowchart15 objects

Engineering

Engineering · L1 · Picking the Right Tool, and Staying Safe · flowchart

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Engineering · L1 · Picking the Right Tool, and Staying Safe · flowchart

Flashcards9 cards

What is density, in simple terms?1 / 9

Density is how much mass is packed into a given volume — how 'heavy for its size' something is. A denser liquid has more mass squeezed into the same amount of space than a less dense liquid.

Engineering

Engineering · L2 · Density Layers in Liquids

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Engineering · L2 · Density Layers in Liquids

Note~272 words · 1 min

A different kind of storage A battery stores electrical energy. So does a capacitor, but it stores and releases it in a completely different way: instead of a slow trickle over hours, it can dump nearly everything it holds in an instant. Th

Engineering

Engineering · L2 · Capacitors: Quick Storage, Quick Release

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Engineering · L2 · Capacitors: Quick Storage, Quick Release

Flowchart14 objects

Engineering

Engineering · L2 · Sorting Requirements

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Engineering · L2 · Sorting Requirements

Flowchart7 objects

Engineering

Engineering · L1 · Air Takes Up Space and Pushes Back · flowchart

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Engineering · L1 · Air Takes Up Space and Pushes Back · flowchart

Flowchart9 objects

Engineering

Engineering · L3 · Truss Analysis: Method of Joints · flowchart

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Engineering · L3 · Truss Analysis: Method of Joints · flowchart

Flowchart10 objects

Engineering

Engineering · L1 · Everyday Inventions & the Problems They Solve · flowchart

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Engineering · L1 · Everyday Inventions & the Problems They Solve · flowchart

Flowchart5 objects

Engineering

Engineering · L2 · Pressure & Fluids in Pipes Quiz · flowchart

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Engineering · L2 · Pressure & Fluids in Pipes Quiz · flowchart

Note~376 words · 2 min

Equilibria, and what linearising tells you For an autonomous system ẋ = f(x), an equilibrium x* is any point where f(x*) = 0. Linearise there by taking the Jacobian A = Df(x*) and read the eigenvalues. Lyapunov's direct method You can settl

Engineering

Engineering · L5 · Nonlinear Dynamics: Lyapunov Stability & Bifurcations

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Engineering · L5 · Nonlinear Dynamics: Lyapunov Stability & Bifurcations

Note~223 words · 1 min

What a ramp does A ramp (an inclined plane) is a flat sloped surface from low to high. Instead of lifting something straight up, you push it up the slope. A wheelchair ramp, a playground slide and a loading ramp on a truck are all doing the

Engineering

Engineering · L1 · Ramps & Wedges: Sloped Simple Machines

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Engineering · L1 · Ramps & Wedges: Sloped Simple Machines

Note~447 words · 2 min

Every design eventually has to be made. Which process, what tolerances, how features are dimensioned: those choices set cost, lead time, and whether the part works once it's in the assembly. Four routes from stock to part Choosing one Weigh

Engineering

Engineering · L4 · Manufacturing processes and GD&T: from raw stock to a functioning part

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Engineering · L4 · Manufacturing processes and GD&T: from raw stock to a functioning part

Flowchart15 objects

Engineering

Engineering · L1 · Dressing for Weather · flowchart

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Engineering · L1 · Dressing for Weather · flowchart

Flowchart7 objects

Engineering

Engineering · L2 · Engineering Disciplines Quiz · flowchart

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Engineering · L2 · Engineering Disciplines Quiz · flowchart

Flashcards8 cards

What is injection molding?1 / 8

Injection molding is a way of making plastic parts. Plastic pellets are melted, then pushed under pressure into a hollow metal mold shaped like the part.

Engineering

Engineering · L2 · Molding and Casting

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Engineering · L2 · Molding and Casting

Flashcards10 cards

What is the first step in the engineering design process, before any sketching begins?1 / 10

Define the problem and requirements. For the phone stand: it must hold a phone upright at a comfortable viewing angle, on a desk, without tipping over, and it should be cheap and quick to build from materials on hand.

Engineering

Engineering · L3 · Design Process Case Study

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Engineering · L3 · Design Process Case Study

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