Bluefish Graphics

8 worksheets on sound: sources of sound, sound waves, pitch, loudness, ultra sound, transmission and channeling of soundwaves, speed of sound, "music" + solutions + keywords

4 worksheets on matter: physical properties, mixtures, compounds and elements + solutions + keywords

6 worksheets on pollution: air, soil and water, water, recycling waste, conserving energy + solutions + keywords

5 worksheets on soil organisms and earthworms + solutions + keywords

9 worksheets on snails: invertebrates, observing snails, main characteristics, reproduction, slugs, land-, freswater- and marine snails + solution + keywords

8 worksheets on skeleton & muscles + solutions + keywords

7 worksheets on speed: calculating speed, distance-time graphs, average speed, steady, steady speed - and motion: accelerated motion, steady speed, decelerated motion + solutions + English & metric measures + keywords

7 worksheets on reptiles: lizards, snakes, turtles and crocodiles+ solutions + keywords

7 worksheets on forces: drawing and measuring, balanced forces, unbalanced forces, springs + solutions + keywords

8 worksheets on geology: Layers of the Earth; The Earths crust; The Earths surface; The lithosphere; Igneous rocks; Sedimentary rocks; Metamorphic rocks; The rock cycle + solutions + keywords