Across
- 2. System breaks down food into substances that our body can use for energy.
- 4. circuit that has both wires connected to the positive end of the battery
- 7. classified elements into the Periodic Table.
- 8. the flow of electrons
- 9. human _______ is the science of the human body.
- 11. an example of this component of a circuit is a lightbulb
- 12. System is a system of glands that releases hormones into the bloodstream and sends signals throughout the body.
- 13. an example of this component of a circuit is a wire
- 14. difference in electric potential
- 15. System provides the body with oxygen while removing carbon dioxide.
- 18. measure of the opposition to the current flow
- 20. resistance is measured in this unit
- 21. material with a resistance of zero
- 23. the building block of matter.
- 26. current is measured in this unit
- 28. is the study of matter and the changes it undergoes.
- 29. System supports your body, protects organs, produces blood cells, and stores minerals.
Down
- 1. System permits blood to circulate.
- 3. energy that flows through a circuit
- 5. a living thing.
- 6. material that resists current flow
- 8. A light bulb illuminates in a ______ circuit
- 10. Father of Modern Chemistry.
- 12. A substance made of only one kind of atom
- 16. positively charged subatomic particle
- 17. a testable prediction.
- 19. this is an example of an energy source in a circuit
- 22. a complete circular path that electricity flows through
- 24. is everything that occupies space and has mass.
- 25. negatively charged subatomic particle
- 27. System receives and acts on information.
- 28. material that allows current to flow easily