- canonical concepts
- carving nature
- case study
- Cassirer, Ernst
- category error
- causality is a signpost showing the direction for scientific research
- Cavaillés, Jean
- cells are built up like a Lego kit
- cells are busy cities
- cells can enjoy interacting
- cells die for a higher good
- cells know what they need to do
- cells of the innate immune system are first responders
- chance need not be an evil ghost
- Charles Darwin
- chemical bonds are like relationships
- chemical elements are formed in the murder of neutron stars
- chemistry triplet
- Chemistry World
- chunking
- citation index
- clinical interviews
- Piagetian interview
- clockwork universe is expendible
- closed questions
- cognitive development
- intellectual development
- cognitive structure
- Cohen's kappa
- cold air battles steam
- coloured rays blend like powder paint
- comets are the fluff of the solar system
- comets have social lives
- commitment
- compartmentalisation of learning
- compound formation is like a marriage
- Comprehensive School
- concept cartoon
- concept map
- concept to sense experiences is like ticket number to overcoat
- concepts
- conceptual analysis
- conceptual change
- conceptual shift
- conceptual development
- conceptual ecology
- conceptual framework
- conceptual integration
- conceptual structure
- confabulation
- confirmation bias
- confirmatory research
- confounding variable
- consent
- consequentialism
- conservation of energy is like a sacred commandment
- conservation of force conception
- conservation of mass in chemical reactions is like not distinguishing Eskimos
- consolidation
- constant comparison
- constant transactional calibration
- construct
- construct repertory test
- constructionism
- constructive alternativism
- constructivism
- constructivist pedagogy
- context-directed research
- contextual notion
- contingency
- contingent-constructivism
- contingent property
- controlled variable
- cooled charcoal eats up gas molecules
- copyright
- corpus analysis
- covalent and ionic bonds are like different kinds of human relationships
- covariate
- covert observation
- COVID is like a fire
- Cronbach's alpha
- Crookes, William
- cross-sectional studies
- crystals in minerals are like an encrusted statue
- Curie, Marie
- curricular models
- curriculum