Quick answer: This page gathers the 15 lessons of grade 6 science (Year 7 · Class 6), one per chapter: states of matter, changes of state, mixtures and solutions, separating mixtures, mass and volume, density, how light travels, Moon phases and 7 more. Each lesson gives a quick answer, worked examples, diagrams and key points, with a free PDF download. Written by a team of 12 qualified science teachers.
All the grade 6 science lessons are on this page, chapter by chapter: each lesson gives a quick answer, worked examples and diagrams, with a free PDF download. Back to the grade 6 science overview.
Grade 6 science lessons by chapter
Grade 6 science lessons
Clear science lessons with diagrams, laws, formulas and worked examples.
Solids, liquids and gases explained
States of matter notes (Grade 6 science): learn the three states of matter: how solids, liquids and gases differ in shape and volume.
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How water melts, boils and freezes
Changes of state notes (Grade 6 science): learn how water melts, freezes, evaporates, boils and condenses, why it changes state at 0 °C and 100 °C.
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Mixtures, solutions and dissolving
Mixtures and solutions notes (Grade 6 science): learn what mixtures and solutions are, how to tell homogeneous from heterogeneous, what solute.
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Choosing a method to separate mixtures
Separating mixtures notes (Grade 6 science): learn how to separate mixtures by sieving, using a magnet, decanting, filtering and evaporation.
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Measuring mass and volume accurately
Mass and volume notes (Grade 6 science): learn how to measure mass and volume: units g, kg, mL, L and cm³, using a balance.
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Density: why things float or sink
Learn what density is, how to calculate it with mass divided by volume, and how to predict whether objects float or sink in water or oil.
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Light sources and straight-line rays
How light travels notes (Grade 6 science): learn how light travels in straight lines, the difference between luminous and non-luminous sources.
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Shadows, Moon phases and eclipses explained
Moon phases notes (Grade 6 science): learn how shadows form, why the Moon has phases, and what causes solar and lunar eclipses, with diagrams.
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Describing movement and average speed
Average speed notes (Grade 6 science): learn how to describe movement with a reference object and trajectory.
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Energy forms, changes and sources
Forms of energy notes (Grade 6 science): learn the forms of energy, energy transformations, conservation, wasted energy.
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Building and drawing simple circuits
Simple circuits notes (Grade 6 science): learn how simple circuits work: cell, bulb, switch and wires, open and closed circuits, circuit symbols.
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How sound travels and how we hear it
Sound waves notes (Grade 6 science): learn how sound is made and travels, why it needs a medium, how loudness and pitch differ.
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Testing materials to choose the right one
Properties of materials notes (Grade 6 science): learn how to test hardness, conductivity, magnetism and flexibility.
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Earth, day, seasons and orbits
Solar system notes (Grade 6 science): learn the order of the planets, why we have day and night and seasons, and how gravity keeps orbits.
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Planning fair tests and reading data
Scientific method notes (Grade 6 science): learn the scientific method: hypothesis, variables, fair tests, tables, means and bar charts.
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