AC Circuits: Impedance and Phase Shift
Compare R, RC, RL, and RLC circuits: phase, impedance, resonance.
LaunchChoose simulations in physics, chemistry, biology, and math and start a lesson in minutes
Compare R, RC, RL, and RLC circuits: phase, impedance, resonance.
LaunchSee how adsorption purifies solutions and gases.
LaunchBuild peptide bonds and amino-acid chains in proteins.
LaunchSee why NH₃ is a trigonal pyramid and polar.
LaunchEstimate angles, measure with a protractor, and build targets.
LaunchShape a breed through artificial selection across generations.
LaunchClassify animals: vertebrates, major groups, and key traits.
LaunchConfigure Apollo parachute descent for a safe splashdown.
LaunchTest Apollo reentry trajectory and the safe corridor.
LaunchBuild electron configurations and test orbital filling.
LaunchCompare bacteria, fungi, and lichens: structure and roles.
LaunchFollow the heart, two circulation loops, and O₂ transport.
LaunchFollow air to alveoli and O₂/CO₂ exchange with blood.
LaunchDrop Buffon's needles and watch crossings approach π.
LaunchBuild isotopes and test which nuclei stay stable.
LaunchCompare densities and buoyant force to see float, sink, or suspend.
LaunchStudy cap mushroom structure and key foraging safety rules.
LaunchCharge and discharge a capacitor and explore the RC time constant.
LaunchLearn cell structure and plant vs. animal differences.
LaunchPlace charges and explore field direction and superposition.
LaunchBuild Lewis structures and compare shape and polarity.
LaunchChange conditions and see which way equilibrium shifts.
LaunchSee why acceleration points inward and what sets centripetal force.
LaunchStudy 2D collisions, axis momentum, and energy conservation.
LaunchExplore momentum, kinetic energy, and collision types in 1D.
LaunchBuild a complex: central ion, ligands, and coordination.
LaunchPlot shapes and test reflection, translation, and rotation.
LaunchChange charges and distance: attraction, repulsion, and 1/r².
LaunchSee how atoms share electrons in covalent bonding.
LaunchNarrow Enigma settings step by step with crib heuristics.
LaunchSee how lattice type sets a substance's properties.
LaunchExplore volume, surface area, and sections of cylinders and spheres.
LaunchWatch particles spread and concentrations even out.
LaunchTrace food's path, enzymes, absorption, and pH effects.
LaunchTune Planet X from Uranus perturbations, like Neptune's discovery.
LaunchEstimate π from quarter-circle area using Newton's method.
LaunchExplore DNA's double helix and complementary base pairs.
LaunchKeep O₂/CO₂ and species counts balanced in an ecosystem.
LaunchRun electrolysis and identify products at each electrode.
LaunchMatch EM bands and link wavelength with frequency and energy.
LaunchWatch potential energy turn kinetic, and friction turn some into heat.
LaunchWatch natural selection shift trait frequencies in beetles.
LaunchTrace kidney filtration and how a nephron works.
LaunchChange force, mass, and friction to explore Newton's second law.
LaunchSee fractions as parts of a whole and points on a number line.
LaunchStudy shifts, stretch, and reflection in y = a·f(b(x - h)) + k.
LaunchExplore p, V, and T for gas under a piston and Boyle–Charles laws.
LaunchTrace rays to find image position and magnification.
LaunchExplore open and cyclic glucose forms and mutarotation.
LaunchExplore a heat engine: Qh, Qc, W, efficiency, and the Carnot limit.
LaunchStretch a spring and compare force, deformation, and F(x), E(x) energy.
LaunchSee how hydrogen bonding holds water molecules together.
LaunchExplore how depth and density set liquid pressure through p = ρgh.
LaunchCombine waves to observe interference and diffraction.
LaunchTest how water, salt, and coatings affect iron corrosion.
LaunchChange orbits and verify Kepler's three laws.
LaunchChange masses and distance to explore universal gravitation.
LaunchChange mass and lever arm to find torque balance.
LaunchSet reactant ratios and find the limiting reagent.
LaunchGraph lines, find intersections, and solve a two-line system.
LaunchExplore two lines and the three solution types of a system.
LaunchMove a magnet through a coil and observe induced EMF.
LaunchBalance the base power grid for day and night demand.
LaunchBuild a bridge, test load limits, and compare material strength.
LaunchWire the base circuit and fix connection errors.
LaunchChange habitat conditions and watch which traits aid survival.
LaunchBuild a route algorithm and guide the rover to its goal.
LaunchTune launch parameters and send a rocket toward Mars.
LaunchSend an Earth–Mars signal and measure communication delay.
LaunchTrace alleles through gametes to offspring genotypes and phenotypes.
LaunchExplore metallic bonding: conductivity and malleability.
LaunchFollow the phases of cell division into two daughter cells.
LaunchCompare a Mobius strip, torus, Klein bottle, and plain strip.
LaunchUnderstand Moon phases and their link to orbital position.
LaunchExplore action potentials, myelin, and synaptic signaling.
LaunchCompare allotropes of carbon, oxygen, phosphorus, and sulfur.
LaunchExplore inequalities, intervals, and systems on a number line.
LaunchBuild DC circuits and compare series vs. parallel.
LaunchBuild isomers, spot functional groups, and compare properties.
LaunchSpot substitution, addition, elimination, and polymerization.
LaunchTrack tinder fungus infection in a tree and weakening signs.
LaunchClassify Standard Model particles and their interactions.
LaunchExplore how pendulum length changes period and oscillation frequency.
LaunchCalculate discounts, markups, tax, and check reverse problems.
LaunchMix acids and bases and watch pH move toward neutral.
LaunchWatch water phase changes and the heating temperature graph.
LaunchTest how light frequency and voltage affect the photoelectric effect.
LaunchExplore how light, CO₂, and water limit photosynthesis.
LaunchWatch demos and spot signs of chemical vs. physical change.
LaunchBreed a tomato variety through artificial selection over generations.
LaunchStudy plant organs: root, stem, leaf, flower, and fruit.
LaunchTrace water's path and effects of humidity, wind, and light.
LaunchRun trials and compare frequencies with theoretical probability.
LaunchExplore launch angle, speed, trajectory, range, and flight time.
LaunchSee DNA to mRNA transfer and ribosome protein assembly.
LaunchSee why pyramid and cone volume equals one-third.
LaunchChange a, b, c and watch a parabola's vertex, axis, and roots.
LaunchRun qualitative reactions and identify ions by their signs.
LaunchTest how temperature, concentration, and catalyst change rate.
LaunchSee who donates and accepts electrons in redox reactions.
LaunchBuild a galvanic cell and trace electron and ion flow.
LaunchBuild integrals from rectangles and trapezoids by changing n.
LaunchExplore Rutherford's experiment: alpha particles and a mostly empty atom.
LaunchFind planets using the horizon, ecliptic, and sky position.
LaunchPrepare and dilute solutions and verify concentration.
LaunchMix solutions and watch concentration even out over time.
LaunchSee how frequency sets pitch, amplitude sets loudness, and waves travel.
LaunchMove points and compare mean, median, mode, and outliers.
LaunchRotate on the unit circle and link sin(θ) and cos(θ).
LaunchLearn coordinates, magnitude, projections, and vector addition.
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