Year 8 Science - CCCS Mastery Curriculum Grading
BIOLOGY
Mastery
Grading
Unit
Learning Objective
F2
1
Identify the main bones of the skeleton.
F2
1
Describe some medical problems that can arise with the skeletal system.
F2
1
Describe some treatments for a range of problems with the skeletal system.
F2
2
State that green plants need sunlight to grow and to make food.
F2
2
F2
2
Identify water and carbon dioxide as the raw materials for photosynthesis, and glucose and oxygen
as the products.
Describe an example of a simple food web.
F3
1
Describe the functions of the skeleton.
F3
1
Explain how different parts of the skeleton are adapted to carry out particular functions.
F3
1
Describe the role of skeletal joints.
F3
1
F3
1
Compare the movement allowed at different joints and explain why different types of joints are
needed.
Recall that muscles contract to move bones at joints.
F3
1
Explain how muscles work antagonistically to bring about movement and evaluate a model.
F3
1
Explain how diagnosis and treatment of problems with the skeletal system have changed over time.
F3
2
View leaf cross section and nail varnish prints of stomata through microscopes
F3
2
Cress seeds grown on cotton wool in different conditions/solutions
I1
1
Identify some different joints and explain the role of tendons and ligaments in joints.
I1
1
Investigate the strengths of different muscles and draw a conclusion.
I1
1
I1
1
Plan and carry out an investigation to compare strengths of muscles and analyse the results
using a graph.
Plan and carry out a fair investigation, analyse the data and evaluate the procedure.
I1
1
Describe and explain aerobic respiration using a word equation.
I1
1
Investigate respiration in woodlice/maggots
I1
1
Describe aerobic respiration in plants.
I1
1
Describe where in a cell respiration takes place.
I1
1
Define anaerobic respiration and give examples of sports that use anaerobic respiration.
I1
1
I1
1
Explain why some sports rely mainly on aerobic respiration while others require anaerobic
respiration.
Identify some living things that carry out anaerobic respiration and identify some applications.
I1
2
Explain the chemical changes involved in photosynthesis and the roles of light and chlorophyll.
I1
2
Describe how gases enter and leave a leaf and how light energy for photosynthesis is captured.
I1
2
Describe how cells in the leaf and root are adapted for their functions.
I1
2
I1
2
I1
2
I2
1
Explain why nutrients are needed by plants, how spreading manure adds them to the soil and how
water passes through the plant.
Describe an example of interdependence of organisms in an ecosystem – for example as the
pollination of crops by insects.
Analyse an example of interdependence of organisms in an ecosystem – for example, the effects of
the destruction of rainforests. 
Explain the role of respiration in building up complex molecules.
I2
1
Identify evidence for aerobic respiration in plants and animals.
I2
1
Evaluate the quality of evidence for aerobic respiration in plants and animals.
I2
1
Analyse data to compare and explain the numbers of mitochondria in different cells.
I2
1
Describe and explain the effects on the body of anaerobic respiration and explain ‘oxygen debt’.
I2
1
I2
2
I2
2
Describe and explain some evidence to show the products of anaerobic respiration and plan an
investigation into fermentation.
Relate and explain how the structure of palisade, mesophyll and guard cells allows them to perform
their function.
Describe and explain how levels of light, temperature and carbon dioxide affect the rate of
Year 8 Science - CCCS Mastery Curriculum Grading
photosynthesis.
I2
2
Apply learning about the factors affecting photosynthesis to solve problems.
I2
2
I2
2
Explain how mineral deficiencies affect plants and how different factors affect the rate of
transpiration.
Describe how some bacteria produce food by chemosynthesis.
I2
2
Explain why some bacteria use chemosynthesis and how they support food chains.
I2
2
I2
2
Explain how energy flows through a food web and explain factors that can affect food webs, such as
loss of a species or toxin accumulation.
Explain the importance of predators in an environment and evaluate changes in a food web.
I2
2
I2
2
I3
1
I3
1
I3
2
I3
2
I3
2
Name some of the nutrients needed by plants and supplied by fertilisers; state how they enter the
plant dissolved in soil water.
Compare chemosynthesis with photosynthesis.
I3
2
Analyse and evaluate the factors affecting endangered species and recommend solutions.
Explain examples of interdependence of organisms in an ecosystem – for example through
symbiosis, commensalism and parasitism.
Explain some ways in which organisms affect, and are affected by, their environment – for example,
predator–prey relationships or through pollution or destruction of habitats.
Explain how mitochondria are adapted for respiration.
Plan an investigation to test a hypothesis about anaerobic respiration in yeast, analyse the
data and evaluate the investigation.
Introduce limiting factors graphs
Year 8 Science - CCCS Mastery Curriculum Grading
CHEMISTRY
Mastery
Grading
Unit
F3
1
Recognise differences between solids, liquids and gases
F3
1
Recognise changes of state as being reversible changes
F3
2
Measure and record pH values.
F3
2
Name examples of salts.
F3
2
Recall what is needed for combustion.
F3
2
Analyse the fire triangle and apply it to putting out fires.
F3
2
Identify applications of combustion reactions.
I1
1
Describe the properties of solids
I1
1
Compare different properties of liquids and gases
I1
2
Recognise acids used in everyday life.
I1
2
Evaluate the hazards that acids pose.
I1
2
Identify the hazards that alkalis pose.
I1
2
Describe what the pH scale measures.
I1
2
Describe the reaction between acids and metals.
I1
2
Describe the reaction between acids and carbonates.
I1
2
Explain the terms fuel and combustion.
I1
2
Identify fuels used in different applications.
I2
1
Describe solids, liquids and gases in terms of the particle model
I2
1
Relate the properties and behaviour of solids to the particle model.
I2
1
Relate the properties and behaviour of liquids and gases to the particle model
I2
1
Use scientific terminology to describe changes of state
I2
1
Use the particle model to explain density differences between solids and liquids
I2
1
Use the particle model to explain differences in the density of gases
I2
1
Use the particle model to explain observations involving diffusion
I2
2
Describe what all acids have in common.
I2
2
Recognise alkalis used in everyday life.
I2
2
Describe what all alkalis have in common.
I2
2
Describe examples of neutralisation.
I2
2
Use indicators to identify chemical reactions.
I2
2
Describes the uses of common salts.
I2
2
Explain the reaction between acids and metals.
I2
2
Compare the reactivity of different metals.
I2
2
Write word equations for the reactions between acids and carbonates.
I2
2
Summarise combustion using an equation.
I3
1
Explain changes of state using the particle model and ideas of energy transfer
I3
1
Use the particle model to explain anomalies between ice and water
I3
2
Identify the advantages of universal indicator.
I3
2
Predict the reactants used in and the salts made by different neutralisation reactions.
I3
2
Explain the reaction between acids and carbonates.
I3
2
Compare the energy content of different fuels.
Learning Objective
Year 8 Science - CCCS Mastery Curriculum Grading
I3
2
Compare complete and incomplete combustion.
A1
1
Evaluate a method of measuring density
A1
1
Use the particle model to explain the Law of Conservation of Mass
A1
1
Use the particle model to explain the differences between physical and chemical changes
A1
1
Recognise that mass is conserved in all changes
A1
1
Using particle models to explain chemical reactions.
A1
2
Explain colour changes in terms of pH and neutralisation.
A1
2
Explain what is meant by the conservation of mass.
Year 8 Science - CCCS Mastery Curriculum Grading
PHYSICS
Mastery
Grading
Unit
F3
1
State the laws of magnetism.
F3
1
Draw magnetic fields for a bar magnet
F3
1
Identify the factors that determine the size of pressure on a solid
F3
1
Calculate the size of pressure exerted
F3
2
Describe and draw circuit diagrams
I1
1
Explore the field around a magnet
I1
1
State the shape, size and direction of magnetic fields
I1
1
Describe how pressure in a liquid alters with depth
I1
2
Describe what an electromagnet is
I1
2
Describe different applications of electromagnets
I1
2
Describe the link between chemical energy and electricity.
I1
2
Describe how circuits are arranged in common appliances
I2
1
Recognise the effects of static charge
I2
1
Describe how static charge can be generated
I2
1
Describe static electricity in terms of fields
I2
1
Describe how static electricity can be useful and can be dangerous
I2
1
Describe the effects of gravity
I2
1
Compare gravity to other non-contact forces
I2
1
Describe some effects of varying pressure
I2
1
Explain pressure increases in relation to particles and gravity
I2
1
Relate floating and sinking to density, displacement and upthrust
I2
1
Describe how the pressure in a gas varies with height
I2
2
Investigate the factors affecting the strength of electromagnets
I2
2
Describe the magnetic effect of a current and how this is applied to D.C. motors
I2
2
Investigate how fruit batteries work
I2
2
Describe what the voltage does in a circuit
I2
2
Describe how the voltage, current and resistance are related in different circuits
I3
1
Explain static charge in terms of electron transfer
I3
1
Explain how charged objects affect other objects
I3
1
Use the concept of a gravitational field
I3
1
Explain the effects of gravity
I3
1
Explain how pressure can be applied on a solid surface
I3
1
Explain why some objects float and others sink
I3
1
Explain the implications of this changing pressure
I3
2
Explain what is meant by current
I3
2
Explain voltage using different analogies
I3
2
Investigate and identify the relationship between voltage and current
I3
2
Describe some uses of resistance
I3
2
Investigate and explain current and voltage in series and parallel circuits
I3
2
Explain the circuits in our homes
Learning Objective
Year 8 Science - CCCS Mastery Curriculum Grading
A1
1
Apply this explanation to various examples
A1
1
Apply an understanding of static electricity to various situations
A1
1
Apply understanding of magnetism, gravity and static charge to various situations.
A1
1
Explain the implications of these ideas
A1
2
Explain how materials allow current to flow
A1
2
Explain what resistance is and how it affects the circuit
A1
2
Investigate and explain factors affecting resistance
A1
2
Use a model to explain the relationship between voltage, current and resistance