Matter -
1. Periodic Table
2. Elements
Students will learn about the organisation of the periodic table and the properties and trends in groups 1, 7 and 0. They will also learn about the structure of the atom, how to write chemical formulae of compounds and to predict the chemical properties of unfamiliar elements using their understanding of chemical reactions.
Electromagnets -
1. Voltage
2. Resistance
Students will learn about the conductivity of different materials, the uses of electricity and the differences between series and parallel circuits. Students will also learn how to use models to explain current, voltage and resistance.
Matter - 24 Mark end of unit online assessment covering: atoms, elements, compounds, the Periodic Table, groups 1 7 and 0, chemical formulae and equations.
Electromagnets (V & R) - 24 Mark end of unit online assessment covering: current, charge, series and parallel circuits, voltage and resistance.
The movement of air in and out of the lungs.
The smallest particle of a chemical element that can exist.
One of the extremely small constituents of matter, as an atom or nucleus.
What all substances are made up of, and which contain only one type of atom.
Two to thousands of atoms joined together. Most non-metals exist either as small or giant molecules.
Two or more types of atoms chemically joined together.
Shows the elements present in a compound and their relative proportions.
Shows all the elements arranged in rows and columns.
Features of a substance that can be observed without changing the substance itself.
Features of the way a substance reacts with other substances.
Substances that react together, shown before the arrow in an equation.
Substances formed in a chemical reaction, shown after the reaction arrow in an equation.
When the quantity of something does not change after a process takes place.
Carries air from the mouth and nose to the lungs.
Two tubes which carry air to the lungs.
Small tubes in the lung.
Small air sacs found at the end of each bronchiole.
A sheet of muscle found underneath the lungs.
Breaking down glucose with oxygen to release energy and producing carbon dioxide and water.
Relating to or requiring an absence of free oxygen.
Reactions -
1. Chemical Energy
2. Types of Reaction
This unit extends on the work learnt in Year 7 by looking at the energy changes in chemical reactions. Students learn about exothermic and endothermic reactions and how to determine whether a reaction releases or takes in energy. Students also learn about thermal combustion and decomposition and extend their knowledge of chemical equations to these reactions.
Organisms -
1. Breathing
2. Digestion
This unit extends on the work done in Year 7 by looking at the structure and function of the lungs including factors that could affect breathing rate. Students then study the process of digestion including enzymes, healthy diet and the effects of smoking on the lungs.
Reactions - 24 Mark end of unit online assessment covering: Fuels, combustion, exothermic & endothermic reactions, conservation of mass, catalysts.
Organisms - 24 Mark end of unit online assessment covering: Diet, the digestive system, exercise, the breathing system, gaseous exchange, smoking.
The number of waves produced in one second, in hertz.
Substances that speed up chemical reactions but are unchanged at the end.
Waves with frequencies higher than light, which human eyes cannot detect.
Transfer of thermal energy by the vibration of particles.
Transfer of thermal energy when particles in a heated fluid rise.
Transfer of thermal energy as a wave.
Shows the elements present in a compound and their relative proportions.
Stores energy in a chemical store which it can release as heat.
One in which energy is given out, usually as heat or light. Temperature rises in an exothermic reaction.
One in which energy is taken in from it's surroundings, usually as heat. Temperature decreases in an endothermic reaction.
Force that holds atoms together in molecules.
Substances that speed up the chemical reactions of digestion.
Sound waves with frequencies higher than the human auditory range.
Turns the pressure wave of sound hitting it into an electrical signal.
Turns an electrical signal into a pressure wave of sound.
Vibrations that transport energy from place to place without transporting matter.
Wave motion in which the vibrations of the particles of the medium are parallel to the direction of energy transfer.
Wave motion in which the vibrations of the particles of the medium are perpendicular to the direction of energy transfer.
Distance between two corresponding points on a wave, in metres.
Waves -
1. Wave effects
2. Wave properties
This unit extends the work done in Year 7 and students learn how waves can be used in everyday objects including microphones and loud speakers. Students focus on wave properties and how they travel through materials. They study reflection and refraction (in terms of wave speed), longitudinal waves and how these differ from transverse waves and calculation of wave speed.
Revision of topics learnt to date to consolidate learning.
Waves - 24 Mark end of unit online assessment covering: Properties of waves, sound, light, reflection, refraction, longitudinal and transverse waves, applications of waves, calculating wave speed.
The area where other objects feel a gravitational force.
A molecule found in the nucleus of cells that contains genetic information.
Thread-like structures containing tightly coiled DNA.
Wire wound into a tight coil, part of an electromagnet.
A unit of heredity which is transferred from a parent to offspring and is held to determine some characteristic of the offspring.
Features that are passed from parents to their offspring.
When no more individuals of a species remain.
The variety of living things. It is measured as the differences between individuals of the same species, or the number of different species in an ecosystem.
The changing of the structure of a gene, resulting in a variant form which may be transmitted to subsequent generations.
Change in the genetic composition of a population during successive generations, often resulting in the development of new species.
Material that allows heat to move quickly through it.
Material that only allows heat to travel slowly through it.
A non-permanent magnet turned on and off by controlling the current through it.
Non-contact force from a magnet on a magnetic material.
An object that is magnetic all of the time.
The ends of a magnetic field, called north-seeking (N) and south-seeking poles (S).
Earth -
1. Climate
2. Earth Resources
Continuing from the structure of the Earth in Year 7, students will learn about the carbon cycle and evaluate the impacts that global warming has on the earth. Students will research how to extract and recycle materials.
Energy -
1. Work
2. Heating & Cooling
This unit requires students to understand how levers work and compare the work needed to move objects. They will expand their knowledge of energy to explain how heat is transferred and how temperature changes when objects are heated or cooled.
Earth - 24 Mark end of unit online assessment covering: Fossil fuels, greenhouse effect, carbon cycle, extracting metals from their ores, the earth;s resources.
Energy - 24 Mark end of unit online assessment covering: Work done, levers, displacement, conductors & insulators, conduction, convection, radiation.
The transfer of energy when a force moves an object, measured in joules.
Material that allows heat to move quickly through it.
Material that only allows heat to travel slowly through it.
State of an object when opposing forces are balanced.
Changing shape due to a force.
When two variables are graphed and show a straight line which goes through the origin, and they can be called proportional.
Single force which can replace all the forces acting on an object and have the same effect.
Unit for measuring forces (N).
Force opposing motion which is caused by the interaction of surfaces moving over one another. It is called 'drag' if one is a fluid.
A substance with no fixed shape - a gas or a liquid.
The ratio of force to surface area, measured in Pascals (Pa) , and how it causes stresses in solids.
The upward force that a liquid or gas exerts on a body floating in it.
The pressure caused by the weight of the air above a surface.
Soft iron metal which the solenoid is wrapped around.
Forces -
1. Contact Forces
2. Pressure
This topic extends on the work on forces completed in Year 7 looking at concepts such as contact and non-contact forces, how materials behave when they are stretched or squashed and how forces affect materials. Students learn to explain how fluids behave under pressure and the affect of air resistance and drag forces on the movement of objects.
Ecosystems -
1. Respiration
2. Photosynthesis
Students will compare aerobic and anaerobic respiration. They will then learn how photosynthesis takes place and analyse what conditions can affect the rate of photosynthesis.
Forces - Forces - 24 Mark end of topic test covering: Extension of a spring, pressure in fluids, friction, resultant forces, calculating pressure.
Ecosystems - 24 Mark end of topic test covering: Aerobic & anaerobic respiration, fermentation, photosynthesis and rate of photosynthesis, stomata, plant adaptations.
Something which changes the shape of objects and changes the way they are moving.
A type of machine which is a rigid bar that pivots about a point.
The ratio of force to surface area, in N/ m2 , and how it causes stresses in solids.
The gradual increase in surface temperature of the Earth.
Remains of dead organisms that are burned as fuels, releasing carbon dioxide.
When energy from the sun is transferred to the thermal energy store of gases in Earth's atmosphere.
Materials from the Earth which act as raw materials for making a variety of products.
Naturally occurring metal or metal compound.
Naturally occurring rock containing sufficient minerals for extraction.
Processing a material so that it can be used again.
Breaking down glucose with oxygen to release energy and producing carbon dioxide and water.
Releasing energy from the breakdown of glucose without oxygen, producing lactic acid (in animals) and ethanol and carbon dioxide (in plants and microorganisms).
Chemicals containing minerals that plants need to build new tissues.
A process where plants and algae turn carbon dioxide and water into glucose and release oxygen.
Green pigment in plants and algae which absorbs light energy.
Pores in the bottom of a leaf which open and close to let gases in and out.
The movement of oxygen and carbon dioxide into and out of the leaf.
The random movement of particles from a region of high concentration to low.
The movement of water from a region of high water content to a region of low water content.
The overall force on an object, thinking about direction.
Working Scientifically -
In this topic students will build on the work they did in Year 7 and develop their investigative skills further. They will be required to plan and carry out an experiment based on a hypothesis, collect data and draw a conclusion from their results. The students will also learn how to identify anomalies in their results, decide on the appropriate graph or chart to represent their results and evaluate their method to suggest improvements.
Students will revise everything they have learnt this year in preparation for their end of year exam.
End of Year Exam
To mathematically determine something.
Examine something in order to interpret and explain it.
Take into account all relevant information.
To create an answer or idea.
Evaluate in a detailed and critical way.
To explain with good reasoning.
Inspect something thoroughly.
Systematically carry out inquiry.
To propose an explanation made on the basis of limited evidence as a starting point for further investigation.
Make something clear in as much detail as possible.
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