MATH web
Bubbles and examples

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Column addition

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Digits of numbers

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Egyptian Numeral System

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Fractions mixed numbers

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Infinite addition

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Match maker

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Multiplication

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Commutative property of multiplication

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Multiplication by 0

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Multiplication by 1

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Multiplication by 10

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Area model multiplication

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The mosaic of multiplication

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Multiplication of simple fractions

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Negative numbers

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Addition, Subtraction and Multiplication

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Binary Number System

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Column Subtraction

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Decimal Fractions

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Division

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Division cards

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Text division tasks

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Division with remainder

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Division with and without remainder

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Equality Explorer (Two Variables)

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Fractions

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Number Systems (European & Indian)

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Roman Numeral System

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Rounding Numbers

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Subtraction

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Summation Game

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Summation (SummDocu)

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The sum of even and odd numbers

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Ternary Number System

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BIOLOGY web
Protozoa

Simulation: Protists — amoeba, euglena, paramecium, plasmodium

Type: tabletop simulation

Level: grades 7–9

Suitable for: biology curriculum, interdisciplinary STEM approaches

This simulation allows students to visually study and compare the structure of unicellular eukaryotes: amoeba, euglena, paramecium, and plasmodium. Using drag-and-drop mechanics, students assemble cellular structures (nucleus, mitochondria, contractile vacuoles, etc.) and observe biological functions in real time. The simulation pays special attention to differences in feeding methods (heterotrophy, mixotrophy, and autotrophy), movement organelles (pseudopodia, flagella, cilia) and survival mechanisms in different environments.

The material is suitable for lessons on topics:

  • Cell Structure and Functions
  • Diversity of Unicellular Organisms
  • Protists as Organisms
Taxes

Simulation: Taxis — phototaxis and chemotaxis in protists

Type: tabletop simulation

Level: grades 7–9

Suitable for: biology curriculum, interdisciplinary STEM approaches

This simulation introduces students to taxis — directional movement in response to stimuli — using three unicellular organisms: amoeba, euglena, and paramecium. Learners observe and compare how these organisms react to light, salt concentration, and food, distinguishing between positive and negative phototaxis and chemotaxis.

Through visual experimentation, students explore behavioral adaptations and learn how environmental stimuli affect cellular behavior. The simulation reinforces key biological concepts related to responsiveness and environmental interaction at the cellular level.

The material is suitable for lessons on topics:

  • Irritability and Stimulus Response
  • Behavioral Adaptations of Unicellular Organisms
  • Interaction of Living Organisms with the Environment
Taxis Recognition

Simulation: Taxis Recognition — Training and Knowledge Testing

Type: tabletop simulation

Level: grades 7–9

Suitable for: biology, protist behavior, basic stimulus analysis skills

In this simulation, students test their knowledge about types of taxis in unicellular organisms: amoeba, euglena, and paramecium. The screen displays visual scenes with an organism and stimulus (light, bacteria, salt), then asks students to determine the type of taxis (photo- or chemotaxis) and its direction (positive or negative).

The interactive test develops skills in classifying irritability reactions and reinforces understanding of behavioral patterns in various protists.

  • Taxis (as a final exercise after the “Taxis” simulation)
  • Irritability and Behavior of Living Organisms (as an independent training during lessons on this topic)
Cell Cycle

Simulation: Cell Cycle and Mitosis Stages

Type: tabletop simulation

Level: grades 9–11

Suitable for: biology, genetics, fundamentals of cell biology

In this simulation, students study the complete cell cycle: interphase (G1, S, G2), mitosis (prophase, metaphase, anaphase, telophase), and the final cytokinesis. Using sequential actions and drag-and-drop mechanics, students perform key stages: DNA replication, spindle assembly, chromosome condensation, sister chromatid separation, and formation of new nuclei.

Each stage is accompanied by visual representation of cellular changes and assessment tasks that allow students to track the transformation of a diploid mother cell into two identical daughter cells. The simulation also includes features of plant cell mitosis and a comparison of mitosis with meiosis.

Suitable for studying topics:

  • Cell Cycle
  • Mitosis and Its Phases
  • Chromosomes and Cell Division
  • Reproduction and Heredity
Viruses and Vectors

Simulation: Virus Structure and Viral Vector Applications

Type: tabletop simulation

Level: grades 8–10

Suitable for: biology, virology, molecular biology, genetic engineering

In this simulation, students explore virus diversity — from simple forms (adenovirus, poliovirus) to complex structures (measles, rabies, influenza, herpes, and smallpox viruses). Using drag-and-drop mechanics, students assemble viruses from basic components (DNA/RNA, capsid, envelope, membranes) and study their structure, infection mechanisms, and diseases they cause.

The second part of the simulation focuses on bacteriophages and the use of modified viruses as vectors for gene delivery. Students visually perform the process of removing pathogenic genes, inserting therapeutic genes, and study the principles of viral vector effects on cells. The adenovirus vector-based vaccine (such as “Sputnik V”) is provided as an example.

Suitable for studying topics:

  • Virus Structure
  • Viral Diseases
  • Gene Therapy
  • Viruses as Biotechnological Tools
Living Organism Cells

Simulation: Living Organism Cells — Assembly, Structure, and Functions

Type: tabletop simulation

Level: grades 7–9

Suitable for: biology, botany, cell biology

In this simulation, students assemble four types of cells — plant, animal, fungal, and bacterial — by sequentially adding cellular components and studying their functions. Special attention is given to the differences between eukaryotes (plants, animals, fungi) and prokaryotes (bacteria), as well as organelles characteristic of specific cell types (for example, chloroplasts in plants or cell walls in fungi).

Students fill a functional progress bar, reinforcing knowledge about the roles of various organelles: photosynthesis, substance storage, protein synthesis, cellular respiration, fruit coloration, turgor pressure, and others. During the process, they also study specific cellular elements: plastids, vacuoles, ribosomes, lysosomes, cytoskeleton, and membrane structures.

The simulation concludes with the assembly and comparison of all four cell types, making it particularly useful for studying the classification of living organisms and the characteristics of their cellular structure.

Suitable for topics:

  • Cell Structure
  • Cell Types
  • Organelles and Their Functions
  • Comparative Cytology
Human Tissues

Simulation: Human Tissues — Structure, Functions, and Diversity

Type: tabletop simulation

Level: grades 7–10

Suitable for: biology, human anatomy, fundamentals of physiology

In this simulation, students study the four main groups of human body tissues: epithelial, connective, muscular, and nervous. Using drag-and-drop mechanics, they sequentially assemble cells and tissues, adding organelles, cellular structures, and intercellular connections, which helps them understand their functions and characteristics.

Students explore neuron structure and nerve impulse transmission mechanisms, differences between smooth, cardiac, and skeletal muscles, classification of epithelia by number of layers and cell shape, as well as the diversity of connective tissue — from adipose tissue to blood. The simulation emphasizes structural and functional features, contraction mechanisms, and cell interaction through receptors and intercellular junctions.

Suitable for studying topics:

  • Body Tissues
  • Cell Structure and Functions
  • Neuron and Muscle Contraction
  • Tissue Classification
Neural Impulse

Simulation: Neural impulse and signal transmission across the synapse

Type: tabletop simulation

Level: grades 8–10

Suitable for: biology curriculum, neurophysiology, fundamentals of anatomy and physiology

This simulation allows students to visually investigate the processes of formation and transmission of nerve impulses. The sequence of processes is presented in an interactive format: resting potential, depolarization, repolarization, and signal transmission between neurons.

Students work with a cell membrane model, move sodium and potassium ions through channels, study the structure of electrical and chemical synapses, as well as the mechanism of signal transmission to the postsynaptic cell.

Special attention is given to comparing electrical and chemical synapses, as well as key concepts of neurophysiology: ion functions, exocytosis process, receptor operation, sodium channels, and the direction of signal transmission.

Suitable for studying topics:

  • Nervous System and Neural Communication
  • Neuron Structure and Function
  • Synapse Physiology
  • Action Potentials and Membrane Dynamics
Neural Impulse Test

Simulation: Neural Impulse Transmission and Synapse Function Test

Type: training test

Level: grades 8–10

Suitable for: biology, neurophysiology, fundamentals of anatomy and physiology

In this simulation, students reinforce their knowledge about neural impulse transmission mechanisms and types of synapses. Through a series of sequential tasks, they identify depolarization and repolarization phases, work with a membrane model, configure ion channel states, and transfer charges between intracellular and extracellular spaces.

In the second part of the simulation, students recognize different types of synapses (axosomatic, axodendritic, electrical, and chemical). They then step-by-step conduct an impulse through a chemical synapse—from calcium entry and neurotransmitter exocytosis to the opening of receptor channels and sodium ion penetration.

The simulation serves as effective training after studying

  • Neuron Structure and Signal Transmission

Cardiac Cycle

Simulation: Cardiac Cycle and Heart Structure

Type: tabletop simulation

Level: grades 8–10

Suitable for: biology, human anatomy and physiology

In this simulation, students study heart structure and the sequence of cardiac cycle phases: atrial systole, ventricular systole, and diastole. Using drag-and-drop mechanics, students assemble the heart piece by piece — valves, chambers, vessels — and learn the principles of one-way blood flow regulation.

Interactive verification helps students master the logic of each phase: which valves are open or closed, which parts of the heart are contracted or relaxed. The simulation emphasizes the relationship between the anatomical structure of the heart and its physiological functions.

Suitable for studying topics:

  • Human Cardiovascular System
  • Blood Circulation
  • Heart Physiology
Hemostasis and Blood

Simulation: Hemostasis and Blood Composition — Plasma, Cells, and Regulation

Type: tabletop simulation

Level: grades 8–10

Suitable for: biology, human physiology, hematology

In this simulation, students study blood composition, its components, and key functions: transport, protective, and homeostatic. Using drag-and-drop mechanics, they gradually assemble blood in a test tube, adding plasma, proteins (albumin, globulin, fibrinogen) and formed elements (erythrocytes, thrombocytes, granulocytes, and agranulocytes). Students observe how these components affect homeostatic parameters — from thrombus formation to immune response.

A separate section is dedicated to diagnostics: students alter blood component concentrations (albumin, erythrocytes, thrombocytes, etc.) and receive feedback about their roles and risks when deviating from normal levels. This helps understand the clinical consequences of conditions such as anemia, hyperglobulinemia, and thrombocytopenia.

The simulation covers topics:

  • Blood Composition and Functions
  • Immune and Vascular Regulation
  • Hemostatic Factors
  • Blood-based Diagnostics
PHYSICS web
Newton’s Laws

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Ohm’s Law

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Arcing flight

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Capacitors (№1)

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Capacitors (№2)

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Capacitors (№3)

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Capacitors (№4)

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Capacitors (№5)

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