Year 8 Science Learning Map

Autumn Term 1 Sep – Oct

Body Systems

  • State the role of enzymes
  • Name the organs involved in the digestive system
  • Describe the consequences of an unbalanced diet
  • List the 7 essential nutrients of a healthy diet and relate them to their function
  • Explain the structure and function of the skeleton
  • Explain how muscles work to move bones and understand what muscles, ligaments and tendons are
  • Describe the test for starch
  • Describe how to test for protein, glucose and fats
  • Describe the impact of exercise on gas exchange
  • Describe the impact of smoking on gas exchange
  • Describe the impact of asthma on gas exchange
  • Label a diagram of the lungs with the trachea, bronchi, bronchioles, alveoli
  • Explain how a pressure model can be used to show the process of breathing
  • Describe the role of bacteria in the human digestive system
  • Explain how an enzyme works
  • Name the organs involved in the digestive system and describe their role
  • State the different types of diet that different situations may require, e.g pregnancy
  • Describe function of the trachea, bronchi, bronchioles, alveoli during gas exchange

Autumn Term 2 Oct – Dec

Chemical Reactions

  • State the difference between a physical change and a chemical reaction.
  • Describe how to make an Indicator
  • Describe the conditions needed for the corrosion of metals to take place.
  • Describe the reaction of acids with alkalis. (neutralisation) and metals and identify the products formed.
  • Identify acids and alkalis. from the use of an indicator
  • Identify the reactivity of metals using displacement reactions including word equations.
  • Describe the chemical reaction of combustion and thermal decomposition. including the word equation
  • Represent chemical reactions using word equations.
  • Describe an exothermic and endothermic reaction.
  • Plan and carry out an investigation to compare to different catalysts.
  • Describe the chemical reaction of combustion and thermal decomposition including the symbol equation.
  • Able to write chemical reactions using symbol equations

Spring Term 1 Jan – Feb

Electricity and Magnetism

  • Identify magnetic and non-magnetic materials
  • State the effects of different poles of magnets on each other.
  • State the difference in resistance between an insulator and a conductor
  • Draw a simple circuit diagram in series and parallel
  • Identify circuit components from circuit diagrams.
  • Describe the electrical safety features of plugs and mains electricity
  • Describe how an electromagnet works
  • Describe how a compass works
  • Draw a magnetic field using a plotting compass, identifying the poles and direction of the magnetic field
  • State what static electricity is and describe how it is made, using positive and negative charges
  • Calculate resistance given the Ohm’s law equation
  • State the rules for current in parallel and series circuits
  • Turn circuit diagrams into real series and parallel circuits, and vice versa
  • Explain what electromagnetic induction is and how to induce a current in a wire using a magnetic field
  • Describe the uses and dangers of static electricity
  • State the rules for potential difference in series and parallel circuits.

Spring Term 2 Feb Apr

Waves

  • Name the different parts of the electromagnetic spectrum in the correct order
  • Explain how sound is produced by vibrations
  • Describe how the speed of sound varies with the medium it travels through
  • Know how when light changes the medium it is travelling in refraction occurs
  • Describe the law of reflection
  • List the 7 colours of the visible spectrum
  • Know that light waves can travel through a vacuum at the speed of light
  • State the main uses and dangers of the different parts of the EM spectrum
  • Describe how coloured filters work
  • Explain why objects appear different colours
  • Label the parts of the eye
  • Label the different parts of the ear
  • Interpret data illustrating the auditory range of humans compared to other animals
  • Explain how microphones and loudspeakers work
  • Explain the following things about sound waves – frequency (Hz), echoes, reflection and absorption of sound.
  • State, with reference to the normal, what will happen to light at a boundary
  • Describe how light is transmitted through materials (adsorption, diffuse scattering and reflection)
  • Describe what a longitudinal wave is
  • Describe what a transverse waves is
  • Explain how light is reflected by curved mirrors
  • Describe how lenses work
  • Describe how the eye produces a focussed image on the retina
  • Describe how the ear interprets sounds
  • Describe waves on water as transverse waves and how these can reflect and/or cancel (superposition).

Summer Term 1 Apr – May

Genetics and Evolution

  • State what some things living things compete for
  • Label a diagram showing the relationship between the nucleus, chromosomes, DNA and genes
  • Describe Darwin’s theory of evolution including evidence that supports it.
  • Decide if a feature is inherited, environmental or both
  • Describe how changes in the environment can lead to extinction
  • Explain how variation can lead to natural selection
  • Decide what type of variable (continuous or discontinuous) and plot these on a graph – show size, eye colour, height, arm span
  • Define the term “species” and give examples
  • Explain the structure and function of the DNA with reference to base pairs and the double helix
  • Describe why “gene banks” are necessary and how they maintain biodiversity
  • Describe how characteristics are passed on using Punnett squares.

Summer Term 2 May – Jul

Periodic Table and the Elements

  • Describe the structure of the Earth
  • Identify where the metals & non-metals of the Periodic Table can be found
  • Describe how deforestation is affecting the Earth
  • Explain why recycling of some materials is particularly important
  • Describe how global warming can impact on climate and local weather patterns
  • Describe how human activities affect the carbon cycle
  • Describe how the atmosphere has changed over time
  • Name the Group 1 & 7 elements and describe their properties
  • Compare the properties of metals and non-metals
  • Describe what the Periodic Table is and how it is arranged
  • Describe the features, uses and limitations of ceramics, polymers and composites
  • Suggest factors to take into account when deciding whether extraction of a metal is practical
  • Justify the choice of extraction method for a metal, given data about reactivity
  • Describe how Earth’s resources are turned into useful materials or recycled
  • Explain how the properties of metal and non-metal oxides are different.