Covalent bonds are very strong can be used to make a range of substances from the very small 'Simple Molecular Substances' to the large 'Giant Covalent Structures'. Learn how their properties differ and why!

In this video we cover: - Oxidation and reduction in terms of oxygen and electrons - Redox reactions - Displacement reactions - Ionic equations - Half equations This video is suitable for: - Higher tier only - All exam boards - Triple...

Learn who made the periodic table, why he arranged the elements this way and about the important groups you need to know.

This video covers the difference between the properties of metals and non-metals, and takes a look at transition metals.

This video covers bonding between metal atoms which we call metallic bonding. It also looks at the properties this gives rise to and how they differ from alloys.



This video is sui
table for:
- Higher and F
oundation...

This video covers:

- Democritus - Atomic T
heory
- John Dalton - Soli
d spheres
- JJ Thomson - Plum
b Pudding model
- Ernest Ruther
ford - Nuclear Model
- Nie
ls Bohr - Electron shells
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This video covers how atoms gain or lose electrons to form ions, why they bother, and how to tell which ion they'll become. <b<br/>r/>

Based on AQA course, but suitable for all exam boards.

Dr. Forrester defines electromagnetism and magnet by identifying the relationship between electricity and magnets and how they come from the same force.

Dr. Forrester discusses parallel circuits and complex circuits. She reads a complex circuit diagram by identifying how electricity is transported within the pathways.

Dr. Forrester defines static electricity by conducting a simple experiment using a balloon. She also identifies the two types of electricity by describing static electricity and current electricity.

Dr. Forrester defines the terms current, electricity, and static electricity by recognizing that electricity is a physical science that is important in daily life. She also compares and contrasts the properties of current electricity and...

Dr. Forrester defines the terms: atoms, protons, electrons, and neutrons. She explains that atoms are made up of protons, electrons and neutrons. She also teaches that all electricity comes from the electrically charged particles.

This video explores five fun facts about chemical bonds.

This video is answering the question of what is a chemical bond.

In this video we learn how three phase electricity works from the basics. We explain how three phase electricity is generated, how the voltages vary, how to calculate the voltages and vrms, what frequency, hertz and cycle mean and how...

Temperature sensors explained. How do temperature sensors work? In this video we learn the basics of how different temperature sensors work. We look at thermometers, thermocouples, thermistors and resistance temperature detectors RTD.<br/>

Why do we connect batteries? find out here with series and parallel batteries as well as battery life calculations.

Thermistors. Learn the basics of how thermistors work in this video on thermistor basics temperature sensor.

Learn how RTD Resistance Temperature Detector sensors work in this video on RTD sensors basics.

Half wave rectifier explained - how to convert AC alternating current into DC direct current using diodes.

Electrical Motor Connections. How electric motors work, electrical motor connections explained, star delta wye electrical connections on three phase motors. 3ph motor. Learn how they work and why they are used from the basics....

Conventional current and electron flow. In this video we briefly learn the difference between conventional current and electron flow. We learn how the electron was discovered and why battery terminals are positive and negative. What is...

Circulating pump and heating pumps explained. In this video we look at circulating pumps used in hot water and heating systems to understand the main parts as well as how they work. We cover applications of circulating pumps, why...

Learn how AC voltage varies with AC since wave and how to calculate the Vrms root mean squared, vmax, peak voltage, the frequency and voltage of different countries.