Across
- 2. any material that attracts iron and materials that contain iron
- 3. the rate at which one form of energy is transformed into another or the rate at which work is done
- 8. a state of matter with no definite shape or volume
- 9. a pure substance that cannot be broken down into other substances by physical or chemical means
- 10. a measure of the average energy of motion of the particles of a substance
- 15. a negatively charged particle that is found outside the nucleus of an atom
- 17. transfer of heat to one particle of matter to another
- 18. an atom or group of atoms that has become electrically charged
- 22. speed in a given direction
- 23. the ratio of the mass of a substance to its volume
- 24. the total potential and kinetic energy of the particle in an object
- 25. a push or pull exerted on an object
- 26. a state of matter that has no definite shape but has a definite volume
- 27. force exerted on an object that causes it to move
Down
- 1. a type of radiant energy that's invisible to human eyes but that we can feel as heat
- 4. electromagnetic waves with the longest wavelengths and the lowest frequencies
- 5. a measure of how much matter is in an object
- 6. a state of matter that has a definite shape and a definite volume
- 7. transfer of energy by electromagnetic waves
- 11. a neutral particle made of two or more atoms joined by covalent bonds
- 12. the distance an object travels per unit of time
- 13. the temperature at which no more energy can be removed from matter
- 14. a positively charged particle that is a part of an atoms nucleus
- 16. a measure of the force of gravity on an object
- 19. electromagnetic waves that are visible to light
- 20. the transfer of heat by the movement of currents of a fluid
- 21. the basic particle from which all elements are made