Across
- 2. This energy has an electric field and a magnetic field associated with it, and has wave-like properties
- 3. is electromagnetic radiation (EMR) with wavelengths longer than those of visible light and shorter than radio waves
- 7. also applied to the energy carried by a heat flow
- 8. the unit of force
- 9. an object is the form of energy that it possesses due to its motion
- 11. the mechanical potential energy stored in the configuration of a material or physical system
- 14. he energy of electromagnetic and gravitational radiation. As energy, its SI unit
- 16. the potential energy a massive object has in relation to another massive object due to gravity.
- 17. something that has never been done before
- 18. energy related to forces on electrically-charged particles and the movement of those particles (often electrons in wires
- 19. the energy held by an object because of its position relative to other objects
- 22. is a type of flow, of motion of a liquid such as water or a gas such as air, in which the fluid motion is not generated by any external
- 23. the thing that keeps us from floating
- 24. a group of two or more atoms held together by attractive forces known as chemical bonds
- 25. something you can use to see in space
- 27. the sum of potential energy and kinetic energy
- 28. the substance's mass per unit of volume
Down
- 1. states that the total energy of an isolated system remains constant
- 4. the balance between the radiant energy that reaches Earth from the sun and the energy that flows from Earth back
- 5. the transmission of an electrical or chemical impulse along a nerve fibre
- 6. energy that is used physically
- 10. is also applied to the energy carried by a heat flow
- 12. the energy of chemical substances that is released when the substances undergo a chemical reaction and transform into other substances
- 13. the energy released during nuclear fission or fusion, especially when used to generate electricity.
- 15. the set of physical phenomena associated with the presence and motion of matter that has a property of electric charge
- 16. the trapping of the sun's warmth in a planet's lower atmosphere, due to the greater transparency of the atmosphere to visible radiation from the sun than to infrared radiation emitted from the planet's surface
- 20. its only visible to the human eye
- 21. This energy has an electric field and a magnetic field associated with it, and has wave-like properties
- 22. a small body orbiting the Sun with a substantial fraction of its composition made up of volatile ices
- 26. the time rate at which an object is moving along a path