Engage your students with no-prep printable science practice! What's included: habitat vs. ecosystem, hardness scale/Mohs scale, healthy daily habits, hearing damage and loud sounds, heart health, heat transfer: conduction, convection, radiation, herbivore/carnivore/omnivore, and herbivores/plant eaters. Skills & uses: Works great for test prep, interventions, and enrichment. Also includes: Answer keys, teacher license (classroom & limited school use), and high-quality printable PDFs. Keywords: Printables, Activities, Classroom Forms. Teacher-friendly — ZERO prep — just print & go!