101 science tricks
de Richards, Roy., Roy Richards · Publicada por primera vez en 1990
Presents 101 experiments and activities involving such scientific principles as aerodynamics, light and color perception, and optical illusion.
de Richards, Roy., Roy Richards · Publicada por primera vez en 1990
Presents 101 experiments and activities involving such scientific principles as aerodynamics, light and color perception, and optical illusion.
Sterling Pub. Co. · inglés
Simon & Schuster Young Books · inglés
