Confident Advanced Mastery Year Emerging Group Grade 7 1 Describe the difference between a mixture and pure Explain, in terms of atoms and Recall that atoms can substance. particles, how air is a mixture of be joined together by Recall the names of the most important gases that are elements, compounds, atoms and bonds and that bonds mixed together in air. molecules. affect the shape of a State that all matter is made up of tiny particles called Represent atoms, molecules of molecule. atoms. elements and simple compounds Interpret experimental Explain the differences between elements, compounds using a model. evidence to identify and mixtures (with reference to elements being Explain the advantages of recycling elements. substances that cannot be broken down into anything metals. Write simple chemical simpler by chemical means). Describe how some elements are formulae from Explain the difference between an atom and a found in their native states. molecular structures. molecule. Explain why some elements have Apply knowledge of Interpret particle models of mixtures, atoms, molecules, been known for much longer than thermal decomposition elements and compounds. others. in carbonates to other compounds. Recall that different materials have different properties. Explain how new evidence has Recall that elements are often represented by symbols. changed ideas about elements. Explain why internationally agreed symbols and Use ideas about the periodic table to conventions are necessary in science communication. identify the positions of metal and Recognise some symbols for common elements. non-metal elements. Use the periodic table to look up symbols for elements. Use evidence to classify unfamiliar Relate the uses of different elements to their properties. materials as being metal elements, Identify some common materials as being metals or metallic, non-metal elements, not. Describe some common properties of metallic and Name simple compounds formed materials. from two elements.
Year Group Grade Emerging Confident Advanced Mastery 7 1 Describe the difference between a mixture and pure substance. Recall the names of the most important gases that are mixed together in air. State that all matter is made up of tiny particles called atoms. Explain the differences between elements, compounds and mixtures (with reference to elements being substances that cannot be broken down into anything simpler by chemical means). Explain the difference between an atom and a molecule. Interpret particle models of mixtures, atoms, molecules, elements and compounds. Recall that different materials have different properties. Recall that elements are often represented by symbols. Explain why internationally agreed symbols and conventions are necessary in science communication. Recognise some symbols for common elements. Use the periodic table to look up symbols for elements. Relate the uses of different elements to their properties. Identify some common materials as being metals or not. Describe some common properties of metallic and materials. Explain, in terms of atoms and particles, how air is a mixture of elements, compounds, atoms and molecules. Represent atoms, molecules of elements and simple compounds using a model. Explain the advantages of recycling metals. Describe how some elements are found in their native states. Explain why some elements have been known for much longer than others. Explain how new evidence has changed ideas about elements. Use ideas about the periodic table to identify the positions of metal and non-metal elements. Use evidence to classify unfamiliar materials as being metal elements, metallic, non-metal elements, Name simple compounds formed from two elements. Recall that atoms can be joined together by bonds and that bonds affect the shape of a molecule. Interpret experimental evidence to identify elements. Write simple chemical formulae from molecular structures. Apply knowledge of thermal decomposition in carbonates to other compounds.