Across
- 2. body converts the food you eat through digestion
- 4. is the time taken for the radioactivity of a specified isotope to fall to half its original value.
- 6. used in sterilization and disinfection
- 8. energy The warmth from the sun
- 9. what kind of temperature does a house have in the winter
- 10. an energy transformation that occurs in the natural world is the process of photosynthesis
- 12. stereo speaker converts mechanical energy to sound energy.
- 13. energy from your moving hands gets changed into heat energy and some even into sound energy.
- 14. is a form of energy resulting from the existence of charged particles
- 16. in smoke detectors (smoke reduces the alpha particles in the detector, triggering the alarm
- 17. a stove all convert electrical energy into thermal energy.
Down
- 1. is the force exerted by magnets when they attract or repel each other
- 3. for tracers and monitoring the thickness of materials
- 5. Sugary drinks, including sodas, energy drinks, and fruit juices all have one thing in common
- 7. a solar panel converts light energy to electrical energy
- 11. comprises branches so that the current divides and only part of it flows through any branch
- 15. all components are connected end-to-end to form a single path for current flow