This lesson continues with bonding- focusing on Covalent Bonding. This lesson covers the spec: Definition of Covalent Bonding. State that non-metallic elements form non-ionic compounds using a different type of bonding called covalent bonding involving shared pairs of electrons. Draw dot-and-cross diagrams to represent the sharing of electron pairs to form single covalent bonds in simple molecules, exemplified by H2, Cl2, H2O, CH4 and HCl. Draw dot-and-cross diagrams to represent the multiple bonding in N2, C2H4 and CO2 * Again as with the previous lesson I find this a curious place in the course to deal with bonding - before having gone through the periodic table of elements. The previous lessons does deal with orbitals and electron configuration , but logically I would prefer to move onto the Periodic Table after this. Anyway I have tried to also explain a little about classifying materials and the periodic table to make it relevant. The PowerPoint goes over the basics as per the Spec but also included is a work sheet/homework page with solutions for the students to work on. My advice is to practice these dot and cross diagrams as much as possible and at the end of this lesson students should be able to draw the bonds between H2, Cl2, H2O, CH4 and HCl. Then when it comes to learning about the Periodic Table it will fall into place!

Today it is all about ions. What are ions, how are they formed what is ionic bonding and how we can describe the formation of ionic bonds: This lesson covers the spec: Describe the formation of ions by electron loss or gain Describe the formation of ionic bonds between elements from Groups I and VII. Describe the formation of ionic bonds between metallic and non-metallic elements to include the strong attraction between ions because of their opposite electrical charges* ( Higher Level) Describe the lattice structure of ionic compounds as a regular arrangement of alternating positive and negative ions, exemplified by the sodium chloride structure* ( Higher Level) I find this a curious place in the course to deal with ionic bonds - before having gone through the periodic table of elements. The previous lesson does deal with orbitals and electron configuration , but logically I would prefer to move onto the Periodic Table after this. Anyway I have tried to also explain a little about Group 1 and Group 7 elements- however this may be confusing for those who have limited knowledge of the periodic table of elements. The PowerPoint goes over the basics as per the Spec but also included is a work sheet/homework page with solutions for the students to work on. My advice is to practice these dot and cross diagrams as much as possible and at the end of this lesson students should be able to draw the bonds between NaCl, MgCl, KF LiCl MgF2 and CaO then when it comes to learning about the Periodic Table it will fall into place!

Today it is all about ions. What are ions, how are they formed what is ionic bonding and how we can describe the formation of ionic bonds: This lesson covers the spec: Describe the formation of ions by electron loss or gain Describe the formation of ionic bonds between elements from Groups I and VII. Describe the formation of ionic bonds between metallic and non-metallic elements to include the strong attraction between ions because of their opposite electrical charges* ( Higher Level) Describe the lattice structure of ionic compounds as a regular arrangement of alternating positive and negative ions, exemplified by the sodium chloride structure* ( Higher Level) I find this a curious place in the course to deal with ionic bonds - before having gone through the periodic table of elements. The previous lesson does deal with orbitals and electron configuration , but logically I would prefer to move onto the Periodic Table after this. Anyway I have tried to also explain a little about Group 1 and Group 7 elements- however this may be confusing for those who have limited knowledge of the periodic table of elements. The PowerPoint goes over the basics as per the Spec but also included is a work sheet/homework page with solutions for the students to work on. My advice is to practice these dot and cross diagrams as much as possible and at the end of this lesson students should be able to draw the bonds between NaCl, MgCl, KF LiCl MgF2 and CaO then when it comes to learning about the Periodic Table it will fall into place!

This lesson is designed for the new (2019-2021) 0653 iGCSE Combined Science Course. The presentation contains the following (as per syllabus): State the distinguishing properties of solids, liquids and gases Describe the structure of solids, liquids and gases in terms of particle separation, arrangement and types of motion Describe the changes of state in terms of melting, boiling, evaporation, freezing and condensation Explain changes of state in terms of particle theory and the energy changes involved Describe qualitatively the pressure and temperature of a gas in terms of the motion of its particles Demonstrate understanding of the terms atom, molecule and ion This presentation is perfect for any introduction to Chemistry class. It also includes a question page that can be used for homework or as a worksheet (answers included), as well as, a description of a demonstration/lab practical that can be carried out to show gases can be poured. The PowerPoint presentation also contains a list of extra resources.

Cambridge Combined Science 2025-2027 Syllabus iGCSE CIE #Cambridge #IGCSE #Combined Science 0653 2025-2027 Syllabus This is a 9 Slide PowerPoint presentation which explains how the Combined Science 0653 Cambridge syllabus is laid out for 2025-2027. The slides give an overview of the recent changes as well as a link to the official CIE website with the original specification. Embedded in the file are 3-word documents that explain the Chemistry, Biology and Physics syllabus in more detail. This is the perfect overview for anyone new to teaching the Chemistry, Biology and Physics Cambridge Combined Science Course or for anyone who wants to show students an overview of the course at the beginning of the year. As well as the PowerPoint presentation you will also find the three separate Word Documents with the Chemistry, Biology and Physics syllabus. I think this is useful for those who want to print it out and tick off what they have covered/as a table of contents etc, or as a handout to students showing what they need to cover for the exam. As always, I am happy to convert to other formats for those who are not MS fans. Thanks all and happy teaching.

This bundle covers an introduction to atomic theory. In includes a Power Point lesson that includes the topics outline below. It includes a revision or homework page (with answer sheet). A ‘Hot Seat Quiz’ that includes the key terms covered in the lesson and a printable of the key figures in Atomic Theory. The Power Point lesson covers the key terms: • Atomic theory • Atoms • Atomic structure • Protons • Neutrons • Electrons • Atomic Mass Unit This is followed by a section covering describing atoms: • Electron configuration • Mass Number (Nucleon number) • Atomic number (proton number) The last section covers briefly • Isotopes • Relative Mass Unit • Relative Formula Mass This lesson cover the section C3 of the iGCSE unit 0653 combined science (some sections regarding the periodic table will be included in a separate section). C3. Atoms, elements and compounds 3.3 Atomic structure and the Periodic Table 1 Describe the structure of an atom in terms of electrons and a nucleus containing protons and neutrons. 2 Describe the build-up of electrons in ‘shells’ and understand the significance of the noble gas electronic structures and of valency electrons (reference to noble gases not included - this will be in periodic table lesson) 3 State the relative charges and approximate relative masses of protons, neutrons and electrons. 4 Define atomic (proton) number and mass (nucleon) number. 5 Use proton number and the simple structure of atoms to explain the basis of the Periodic Table (see section C9), with special reference to the elements with proton numbers 1 to 20. (not yet included in this section) In addition, this lesson is combined with the Atomic Theory Timeline. This is not on the IGCSE syllabus however it is a great topic for class research, a mini homework assignment, it can make a nice addition to the course, an introduction to the idea of scientific models or just as an introduction to the periodic table or atomic theory. This separate PowerPoint contains a lot of detail; thus this Atomic Theory Timeline resource is not really intended to be delivered in the presentation format as like my other lessons. The PowerPoint covers how a theory may change as new evidence is found. How a scientific explanation is conditional but may become more convincing when predictions based on the model or theory are confirmed later on by further ideas/scientific data. It is a good introduction to the concept of models, a brief overview of atoms, a printable of the atomic theory timeline and slides on the models proposed by various key figures in the atomic theory timeline.

Atomic Theory Timeline: This extra lesson is not explicitly covered by the Cambridge iGCSE syllabus but it makes a nice addition to the course, as project work, an introduction to the idea of scientific models or just as an introduction to the periodic table or atomic theory. Each PowerPoint contains a lot of detail, thus this lesson is not really intended to be delivered in the presentation format as like my other lessons. The PowerPoint covers how a theory may change as new evidence is found. How a scientific explanation is conditional but may become more convincing when predictions based on the model or theory are confirmed later on by further ideas/scientific data. The lesson covers the concept of models, a brief overview of atoms, a printable of the atomic theory timeline and slides on the models proposed by various key figures in the atomic theory timeline. There is as always a list of extra resources and a question page (just one question) at the end of the PowerPoint

This extra lesson is not explicitly covered by the Cambridge iGCSE syllabus but it makes a nice addition to the course, as project work, an introduction to the idea of scientific models or just as an introduction to the periodic table or atomic theory. Each PowerPoint contains a lot of detail, thus this lesson is not really intended to be delivered in the presentation format as like my other lessons. The PowerPoint covers how a theory may change as new evidence is found. How a scientific explanation is conditional but may become more convincing when predictions based on the model or theory are confirmed later on by further ideas/scientific data. The lesson covers the concept of models, a brief overview of atoms, a printable of the atomic theory timeline and slides on the models proposed by various key figures in the atomic theory timeline. There is (as always), a list of extra resources and a question page (just one question) at the end of the PowerPoint

Homework sheets for Experimental Techniques and for Laboratory Equipment. Chemistry Complete with answer sheet. The question sheet is taken from teh lesson available also on TES which is dedicated to separation techniques. Filtration, Sand and Water, Evaporation, Rock Salt, Distillation, Fractional Distillation etc. Designed for use with Cambridge 0653 Combined Science IGCSE course.

Homework sheets for Experimental Techniques and for Laboratory Equipment. Chemistry GCSE Complete with answer sheet

This lesson covers an introduction to atomic theory. In includes a Power Point lesson covered the topics outline below. It also includes a revision or homework page (with answer sheet). A ‘Hot Seat Quiz’ that includes the key terms covered in the lesson and a printable of the key figures in Atomic Theory. The Power Point lesson covers the key terms: • Atomic theory • Atoms • Atomic structure • Protons • Neutrons • Electrons • Atomic Mass Unit This is followed by a section covering describing atoms: • Electron configuration • Mass Number (Nucleon number) • Atomic number (proton number) The last section covers briefly • Isotopes • Relative Mass Unit • Relative Formula Mass Designed to partially cover section C3 of the iGCSE unit 0653 combined science CIE course as outlined on the Cambridge Specification here: 3.3 Atomic structure and the Periodic Table 1 Describe the structure of an atom in terms of electrons and a nucleus containing protons and neutrons. 2 Describe the build-up of electrons in ‘shells’ and understand the significance of the noble gas electronic structures and of valency electrons (reference to noble gases not included - this will be in periodic table lesson) 3 State the relative charges and approximate relative masses of protons, neutrons and electrons. 4 Define atomic (proton) number and mass (nucleon) number. 5 Use proton number and the simple structure of atoms to explain the basis of the Periodic Table ((Not yet included in this section)

This lesson covers an introduction to atomic theory. In includes a Power Point lesson covered the topics outline below. It also includes a revision or homework page (with answer sheet). A ‘Hot Seat Quiz’ that includes the key terms covered in the lesson and a printable of the key figures in Atomic Theory. The Power Point lesson covers the key terms: • Atomic theory • Atoms • Atomic structure • Protons • Neutrons • Electrons • Atomic Mass Unit This is followed by a section covering describing atoms: • Electron configuration • Mass Number (Nucleon number) • Atomic number (proton number) The last section covers briefly • Isotopes • Relative Mass Unit • Relative Formula Mass This lesson cover the section C3 of the iGCSE unit 0653 combined science (some sections regarding the periodic table will be included in a separate section). C3. Atoms, elements and compounds 3.3 Atomic structure and the Periodic Table 1 Describe the structure of an atom in terms of electrons and a nucleus containing protons and neutrons. 2 Describe the build-up of electrons in ‘shells’ and understand the significance of the noble gas electronic structures and of valency electrons (reference to noble gases not included - this will be in periodic table lesson) 3 State the relative charges and approximate relative masses of protons, neutrons and electrons. 4 Define atomic (proton) number and mass (nucleon) number. 5 Use proton number and the simple structure of atoms to explain the basis of the Periodic Table (see section C9), with special reference to the elements with proton numbers 1 to 20. (not yet included in this section)

This lesson covers the following topics 1. Elements 2. Molecules 3.Compounds 4. Mixtures. 5. Physical and chemical properties and 6. Physical changes and Chemical changes The lesson includes a PowerPoint presentation including all the topics outlined above plus a quiz on physical and chemical changes There is a lab lesson on compounds and mixtures (classic iron fillings and sulfur experiment) with word doc for students and teacher to follow. The lesson also contains a separate homework exercise (word document) Covers section C3 of the Cambridge CIE 0653 GCSE Combined science course but can easily be used as a stand alone lesson on Physical and Chemical changes

This lesson covers the following topics 1. Elements 2. Molecules 3.Compounds 4. Mixtures. 5. Physical and chemical properties and 6. Physical changes and Chemical changes CIE combined Science 0653 C3 Atoms Elements and Compounds. The lesson includes a Power Point presentation including all the topics outlined above plus a quiz on physical and chemical changes There is a lab lesson on compounds and mixtures (classic iron fillings and sulphur experiment) with word doc for students and teacher to follow. The lesson also contains a separate homework exercise (word document) Covers section first 2 specifications of C3 on the CIE 0653 GCSE Combined Science Course

Contains the first section of the IGCSE course, in 4 lessons. It starts with the syllabus then an apparatus list, followed by a lesson on Matter and Experimental Techniques. All lessons come with an additional homework assignment (Word Document). Email me if you have any questions or wish to see a better preview.

A combined resource with 4 lessons containing: 1. Chem syllabus 2017-2018 2.Apparatus List (with worksheet) 3. Lesson on Matter (with extra resources, and homework sheet) 4. Lesson Experimental Techniques (with quiz and homework page) 5. Lesson on Paper Chromatography with homework page and extra resources

The next lesson in the iGCSE Cambridge Combined Science series Experimental techniques this lesson includes slides on paper chromatography ( describing technique and how to calculate RF factor) along with a homework sheet and list of online resources

The next lesson in the iGCSE Cambridge Combined Science series Experimental Techniques this lesson includes slides on paper chromatography (describing technique and how to calculate RF factor) along with a homework sheet and list of online resources

One full lesson dedicated to separation techniques. Filtration, Sand and Water, Evaporation, Rock Salt, Distillation, Fractional Distillation etc. Designed for use with Cambridge 0653 Combined Science IGCSE course. This lesson comes with homework question page and answer sheet and additional quiz as part of powerpoint lesson. Recently updated

One full lesson dedicated to separation techniques. Filtration, Sand and Water, Evaporation, Rock Salt, Distillation, Fractional Distillation etc. Designed for use with Cambridge 0653 Combined Science IGCSE course. This lesson comes with homework question page and answer sheet and additional quiz as part of PowerPoint lesson. Recently updated.