- D.A.R.T.
- D.Litt.
- D.N.A. strands attract like magnets
- dark clouds threatened physics
- Darwin, Charles
- data analysis
- dead metaphor
- death throes of a star are observable for only a few years
- deduction takes place in the bosom of scientific theories
- deep atmospheric convection likes to be over warm water
- deficiency learning impediment
- dendogram
- deontology
- dependent variable
- describing science as a language is like taking cans for canned food
- diagnostic assessment
- dialogic teaching
- differentiation
- digestive system is a chemical factory
- dinoflaggelates use light to try to drive off predators
- direct instruction
- discovery of radioactive heat was a battering ram
- discovery research
- doing an experiment is like asking a friend to take a risk
- double blind
- double science