Working Scientifically Key Stage 3

Contents

Scientific Enquiry

Beginning an Enquiry

• Hypothesis
• Prediction
• Investigation
• Experiment

Variables

• Independent Variable
• Dependent Variable
• Control
• Categoric Variable
• Discrete Variable
• Continuous Variable
  • Fair Test

Methodology

• Diagram
• Method
• Observations
  • Reading
  • Measurement

Scientific Evidence

Results

• Table of Results
• Repeats
• Data
  • Secondary Data

Data Handling

• Units
• Unit Prefixes
  • Kilo
  • Centi
  • Milli
  • Micro
• Converting Units
• Table of Results
• Experimental Errors
  • Human Error
  • Random Error
• Range
• Anomaly
• Mean Average

Conclusions

• Description
  • Correlation
• Explanation
  • Causation
  • Scientific Theory
• Evaluation
• Evidence
  • Empirical Evidence
  • Observational Evidence
  • Anecdotal Evidence

Theories

• Theory
• Scientific Theory
• Model

Communicating Ideas

Graphs

• Bar Chart
• Line Graph
• Scatter Graph
  • Line of Best Fit
    • Gradient
  • Correlation
    • Negative Correlation
    • Positive Correlation

Quantities and Units

Units

• Mass
  • Kilogram
  • Grams
  • Milligram
• Volume
  • Metres Cubed
  • Centimetres Cubed
  • Litres
  • Millilitres
• Density
  • Grams per Centimetre Cubed
  • Kilograms per Metre Cubed
• Time
  • Hours
  • Minutes
  • Seconds
• Distance, Displacement, Wavelength
  • Miles
  • Kilometres
  • Metres
  • Centimetres
  • Millimetres
• Area
  • Centimetres Squared
  • Metres Squared
• Angle
  • Degrees
• Speed and Velocity
  • Miles per Hour
  • Kilometres per Hour
  • Metres per Second
• Acceleration
  • Metres per Second per Second
• Temperature
  • Degrees Celsius
• Energy and Work Done
  • Kilojoules
  • Joules
  • Millijoules
• Power
  • Kilowatts
  • Watts
  • Milliwatts
• Electrical Charge
  • Kilocoulombs
  • Coulombs
  • Millicoulombs
• Electrical Current
  • Kiloamps
  • Amps
  • Milliamps
• Potential Difference
  • Kilovolts
  • Volts
  • Millivolts
• Electrical Resistance
  • Kiloohms
  • Ohms
  • Milliohms
• Force
  • Kilonewtons
  • Newtons
  • Millinewtons
• Pressure
  • Kilopascals
  • Pascals
• Frequency
  • Kilohertz
  • Hertz
• Moles
• Concentration
  • Molarity

Equipment

Measuring Instruments

• Ammeter
• Data Logger
• Measuring Cylinder
• Measuring Scale
  • Electronic Balance
  • Weighing Scale
• Newton Meter
• Oscilloscope
• Pipette
• Protractor
• Ruler
• Syringe
• Thermometer
• Stopwatch
• Voltmeter

Observational Equipment

• Growth Medium
• Magnifying Glass
• Microscope
• Petri Dish
• Pitfall Trap
• Pondnet
• Pooter
• Quadrat
• Specimen Jar
• Spotting Tile
• Sweepnet
• Telescope

Reaction Vessels

• Beaker
• Boiling Tube
• Conical Flask
• Crucible
• Test Tube

Containers

• Bottle
• Bottle and Dropper
• Beaker
• Evaporating Dish
• Specimen Jar
• Petri Dish
• Conical Flask

Other Equipment

• Buffer Solution
• Bung
• Bunsen Burner
• Condensing Tube
• Delivery Tube
• Filter Paper
• Funnel
• Gauze
• Glass Rod
• Heatproof Mat
• Incubator
• Indicator
• Mortar and Pestle
• Spatula
• Splint
• Spotting Tile
• Test Tube Holder
• Tongs
• Tripod
• Tweezers
• Water Bath

Risks, Hazards and Safety

Risks

• Risk

Hazards

• Hazard
• Hazard Symbol
  • Toxic
  • Flammable
  • Harmful
  • Irritant
  • Corrosive
  • Long Term Health Risk
  • Dangerous to the Environment
  • Explosive
  • Oxidising Agent
  • Compressed Gas
  • Ionising Radiation
  • Danger of Electrocution
  • LASER Radiation
  • Biohazard

Safety

• Precaution
• Safety Equipment
  • Safety Spectacles
  • Safety Goggles
  • Labcoats
  • Safety Gloves
  • Tongs
  • Test Tube Holder