Search and compare thousands of words and phrases in British Sign Language (BSL). The largest collection online.
How to sign: the science of matter and energy and their interactions
Categories: natural science
Within this category: acoustics, aeronautics, astronomy, biophysics, cryogenics, crystallography, electromagnetism, electronics, electrostatics, mechanics, nuclear physics, optics, particle physics, plasma physics, quantum physics, rheology, solid-state physics, statistical mechanics, thermodynamics