Dorothy Warren
Dorothy Warren is an independent science education consultant based in the UK
FeatureTeaching the bonding spectrum
Everything you need to help your post-16 grasp the realities of bonding, electronegativity and intermolecular forces
FeatureBoost your teaching practice with subject-specific personal development
Drill down to the evidence base supporting it, what’s on offer and some barriers to accessing it
ResourceTricky tracks: observation and inference in science | 11–14 years
Presentation, worksheet and lesson plan to help learners understand the difference between observation and inference as you build their understanding of the scientific process
ResourceStudent risk assessment: preparing a salt | 14–16 years
Two worksheets to guide learners in recognizing hazards, evaluating risks and identifying control measures
CPDHow to teach entropy at post-16
Use these ideas and activities to help your chemistry students master this challenging topic
ResourceSpot the entropy errors worksheet | 16–18 years
Develop your learners’ metacognitive skills using thermodynamics questions and calculations
Experiment‘Gold’ coins on a microscale | 14–16 years
Practical experiment where learners produce ‘gold’ coins by electroplating a copper coin with zinc, includes follow-up worksheet
IdeasTeach justice and cooperation through chemistry
Link forensic science and the Covid-19 pandemic to your lessons on instrumental analysis, separation techniques, data interpretation and health with UN sustainable development goals 16 and 17
IdeasEquality, education and science
Easy-to-implement ways to link these topics to your lessons on energy sources, water resources, nanochemistry, health and climate change
ResourceWomen in chemistry | 14–16 years
Show your learners the difference that science can make and provide them with role models who are leading chemists in their fields.
CPDTeaching organic chemistry post-16
Introduce the study of molecules containing carbon atoms to your students with these many different contexts
PracticalQualitative tests for organic functional groups | practical videos | 16–18 students
Video and supporting resources to support a practical investigation to identify organic functional groups using a range of qualitative tests
PracticalRates of reaction | practical videos | 16–18 students
Video and supporting resources, includes an initial rate (iodine clock reaction) and continuous monitoring method (volume of gas)
CPDTeaching rates of reaction post-16: part 2
Ideas and activities to help students explore catalysts
CPDTeaching acids and bases post-16
Try these tips, ideas and activities to help you teach this topic
CPDTeaching structure and bonding post-16
Try these tips, contexts and activities to tackle the orbital model of the atom and bonding
IdeasHow to make the most of practical videos
Use these four strategies to ensure successful learning – whether remote learning or in school
ResourceDisplacement reactions – practical videos | 14–16 students
Video and resources investigating the displacement reactions between the halogens chlorine, bromine and iodine and their respective halides in microscale
ResourcePreparing a salt – practical videos | 14–16 students
Video and resources showing how to prepare a salt using neutralisation, filtration, evaporation and crystallisation techniques.
PracticalIdentifying ions – practical videos | 14–16 students
Video resource showing how to identify ions in various solutions. Flame tests, sodium hydroxide test (microscale) and tests for negative ions: carbonate, sulfate and halide ions