G1 Science Paper 2 mock

Learning objectives

• Forms of energy
• Direction of thermal transfer
• Conservation of energy
• Power
• Fossil-fuel electricity generation
• High-voltage transmission
• Step-up and step-down transformers
• Draw and interpret circuit diagrams and components
• Set up physical circuits safely using the specified components
• Series and parallel arrangements
• Using a multimeter
• Current in series
• Potential difference in series
• Resistance in series
• Current in parallel
• Potential difference in parallel
• Resistance in parallel
• Household parallel wiring
• Appliance ratings
• Electrical power
• Cost in kilowatt-hours
• Reading an electricity bill
• Reducing electrical-energy wastage
• Generating waves
• Energy transfer by waves
• Amplitude, frequency and wavelength
• Radio waves
• Microwaves
• Infrared
• Light
• Ultraviolet
• X-rays
• Gamma rays
• Measuring length
• Measuring time
• Changing shape or size
• Changing rest or motion
• Turning effect
• Meaning of speed and acceleration
• Average speed
• Acceleration
• Distance–time graphs
• Moment of a force
• Requirements for plant growth
• Why production must improve
• Fertilisers
• Pesticides and herbicides
• Slash-and-burn
• Fertiliser pollution
• Pesticide and herbicide pollution
• Slash-and-burn damage
• Biological control
• Improved varieties
• Intensive farming
• Uses of plant hormones
• Measuring volume
• Dissolving
• Filtration
• Evaporation
• Distillation
• Everyday uses of separation
• Paper chromatography
• Chemical reactions
• Slowing food decay
• Slowing cooking and burning
• Slowing rusting
• Indicators
• Measuring pH
• The pH scale
• Acid and metal
• Acid and base
• Acid and carbonate
• Neutralisation
• Microbes
• Microbial action on food
• Reducing microbial activity
• Lowering pH
• Reducing oxygen
• Reducing water
• Using high temperature
• Using low temperature
• Preservatives
• Nutritional supplements
• Texture and appearance modifiers
• Active lifestyle
• Balanced diet
• Sufficient rest
• Good hygiene
• Meaning of balanced diet
• Roles of nutrients
• Calculating and interpreting BMI
• Undereating and over-exercising
• Fracture and osteoporosis
• Cartilage and ligament
• Arthritis, dislocation and sprain
• Reducing bone and joint risk
• Bacterial and viral diseases
• Antimicrobial agents
• Completing antibiotics
• Vaccination
• Hereditary conditions
• Limits of organ-support technology
• Importance of digestion
• Digestive organs and their functions
• Enzyme action and optima
• Interpreting enzyme-rate data
• Constipation
• Alcohol and the liver
• Diabetes risk
• Breathing and respiration
• Respiratory parts and functions
• Inhaled and exhaled air
• Carbon-dioxide test
• Water-vapour test
• Choking
• Smoking and passive smoking
• Components of blood
• Plasma
• Platelets
• Red blood cells
• White blood cells
• Heart–lung blood pathway
• Vessel structure and function
• Circulatory measurements
• Response to physical activity
• Plaque, heart attack and stroke
• Circulatory risk factors
• Measurements of length, mass, temperature, time interval, volume of liquids/solids and force (e.g. weight) using appropriate instruments
• Determination of average speed of an object
• Measurements of current, voltage and resistance using multimeter