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Engineering: explore STEM content (page 6 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.

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Collection4 items

01Engineering · L1 · Pipes & Water Flow

02Engineering · L1 · Pipes & Water Flow

03Engineering · L1 · Water's Journey to Your Tap

+1 more

Engineering

Engineering · L1 · Pipes & Water Flow

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Engineering · L1 · Pipes & Water Flow

Quiz4 questions

What happens when you push sideways on a square frame?

AIt stays exactly the sameBIt leans over into a slanted shapeCIt breaks into piecesDIt turns into a circle

Engineering

Engineering · L1 · Strong Shapes Quiz

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Engineering · L1 · Strong Shapes Quiz

Flowchart11 objects

Engineering

Engineering · L2 · Three Ways Heat Travels

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Engineering · L2 · Three Ways Heat Travels

Quiz4 questions

Why can a metal boat float, even though a solid lump of the same metal would sink?

AThe boat is painted a special colorBThe boat's wide shape pushes a lot of water out of the wayCMetal boats are never heavyDThe water is always shallow near boats

Engineering

Engineering · L1 · Boats & Floating Cargo Quiz

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Engineering · L1 · Boats & Floating Cargo Quiz

Quiz6 questions

What does a buzzer do with electricity?

ATurns it into sound by making something vibrateBTurns it into lightCStores it for laterDTurns sound into electricity

Engineering

Engineering · L1 · Sound Makers Quiz

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Engineering · L1 · Sound Makers Quiz

Flowchart9 objects

Engineering

Engineering · L2 · Engineering Evaporative Cooling · flowchart

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Engineering · L2 · Engineering Evaporative Cooling · flowchart

Quiz6 questions

What is the defining feature of a heat exchanger?

AIt mixes two fluids together so they reach the same temperatureBIt transfers heat between two fluids without letting them physically mixCIt generates heat by burning fuelDIt stores fluid at high pressure for later use

Engineering

Engineering · L3 · Heat Exchangers

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Engineering · L3 · Heat Exchangers

Flowchart8 objects

Engineering

Engineering · L2 · How Heat Travels · flowchart

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Engineering · L2 · How Heat Travels · flowchart

Flowchart13 objects

Engineering

Engineering · L3 · AC Circuits Basics · flowchart

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Engineering · L3 · AC Circuits Basics · flowchart

Note~232 words · 1 min

Why wide bases stand firm Stack blocks into a tall thin column and a light tap knocks it over. Start with a wide layer at the bottom and it takes a much bigger push. The pyramid shape A pyramid is wide at the bottom and narrow at the top. T

Engineering

Engineering · L1 · Towers & Stacking: Why Wide Bases Win

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Engineering · L1 · Towers & Stacking: Why Wide Bases Win

Flashcards9 cards

What is Pascal's principle, in plain terms?1 / 9

Pressure applied anywhere to a liquid sealed inside a closed system pushes out equally in every direction, reaching every part of the liquid and every surface it touches.

Engineering

Engineering · L2 · Hydraulics

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Engineering · L2 · Hydraulics

Quiz4 questions

Why is a tower with a wide base more stable than one with a narrow base?

AA wide base is always heavierBA wide base spreads the weight out, giving more room to lean before it tipsCA wide base uses fewer blocksDWide bases are painted a different color

Engineering

Engineering · L1 · Towers & Stacking Quiz

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Engineering · L1 · Towers & Stacking Quiz

Flashcards9 cards

What does a magnet do?1 / 9

A magnet pulls certain metals toward it — like iron and steel — without even touching them. This pull is called attraction.

Engineering

Engineering · L1 · Magnets

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Engineering · L1 · Magnets

Flowchart9 objects

Engineering

Engineering · L3 · Thermal Expansion & Material Behavior · flowchart

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Engineering · L3 · Thermal Expansion & Material Behavior · flowchart

Flashcards8 cards

What is specific heat capacity?1 / 8

The amount of heat energy needed to raise the temperature of 1 kg of a material by 1 °C (or 1 K). It's a property of the material — a way of measuring how much energy it takes to warm something up.

Engineering

Engineering · L3 · Specific Heat Capacity

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Engineering · L3 · Specific Heat Capacity

Collection5 items

01Engineering · L2 · Trusses & Triangulation

02Engineering · L2 · Truss Shapes and Uses

03Engineering · L2 · Trusses & Triangulation

+2 more

Engineering

Engineering · L2 · Trusses & Triangulation

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Engineering · L2 · Trusses & Triangulation

Quiz6 questions

A pipe has cross-sectional area 0.02 m² and water flows through it at 3 m/s. What is the volumetric flow rate Q?

A0.006 m³/sB0.06 m³/sC0.6 m³/sD6 m³/s

Engineering

Engineering · L3 · Flow Rate & Continuity Quiz

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Engineering · L3 · Flow Rate & Continuity Quiz

Flowchart27 objects

Engineering

Engineering · L4 · Manufacturing process selection

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Engineering · L4 · Manufacturing process selection

Flowchart8 objects

Engineering

Engineering · L2 · Electromagnets · flowchart

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Engineering · L2 · Electromagnets · flowchart

Flowchart9 objects

Engineering

Engineering · L3 · Transistor Switch — Off vs On States

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Engineering · L3 · Transistor Switch — Off vs On States

Note~515 words · 3 min

Fluid mechanics covers flow in pipes and ducts (internal) and flow over aircraft and ships (external). Three splits decide which equations you're allowed to use. The three conservation laws Sizing a pipe run, start to finish Laminar flow: H

Engineering

Engineering · L4 · Fluid mechanics: pipe flow, boundary layers, and dimensional analysis

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Engineering · L4 · Fluid mechanics: pipe flow, boundary layers, and dimensional analysis

Flowchart17 objects

Engineering

Engineering · L3 · Charging and Discharging a Capacitor

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Engineering · L3 · Charging and Discharging a Capacitor

Collection11 items

01Engineering · L1 · Simple Machines

02Engineering · L1 · Simple Machines Quiz

03Engineering · L1 · How a Lever Works

+8 more

Engineering

Engineering · Mechanics & Structures

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Engineering · Mechanics & Structures

Note~274 words · 1 min

Making a magnet with electricity Any wire carrying current has a magnetic field around it, even a plain straight one. On its own that field is far too weak to be useful. The iron core Slide an iron bar inside the coil and the iron itself be

Engineering

Engineering · L2 · Electromagnets

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Engineering · L2 · Electromagnets

Note~225 words · 1 min

Driving gear, driven gear Always count teeth. It's exact, and a ruler isn't. What the number does Gear trains and the idler Where you meet gear ratios

Engineering

Engineering · L2 · Calculating Gear Ratios

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Engineering · L2 · Calculating Gear Ratios

Flashcards10 cards

What is a paper or cardboard mockup?1 / 10

A rough physical model built from paper, cardboard, and tape — something an engineer can put together in minutes to check size, shape, and layout.

Engineering

Engineering · L2 · Prototyping Methods: The Basics

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Engineering · L2 · Prototyping Methods: The Basics

Flashcards9 cards

What is a ramp (also called an inclined plane)?1 / 9

A ramp is a flat surface that slopes from low to high. It's one of the simplest machines — it lets you push something up instead of lifting it straight up.

Engineering

Engineering · L1 · Ramps & Wedges

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Engineering · L1 · Ramps & Wedges

Note~284 words · 1 min

A shape that only ever squeezes Where the load goes Thick walls, buttresses or solid ground do that job. Ignore thrust and the arch pushes its own supports apart. The keystone A dome is an arch, spun Rotate an arch a full turn around a vert

Engineering

Engineering · L2 · Arches & Domes

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Engineering · L2 · Arches & Domes

Quiz6 questions

What does it mean for a screw to be a "standard" size?

AIt is the cheapest screw availableBIts dimensions match an agreed rulebook that every manufacturer builds toCIt was designed by a single famous engineerDIt can only be used once

Engineering

Engineering · L2 · Standards & Codes Quiz

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Engineering · L2 · Standards & Codes Quiz

Flowchart7 objects

Engineering

Engineering · L2 · Pulleys & Mechanical Advantage · flowchart

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Engineering · L2 · Pulleys & Mechanical Advantage · flowchart

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