Across
- 2. a familiar object or idea that is used as a point of comparison to help describe or measure something less familiar
- 3. tells both how fast and which way it is moving
- 4. type of force that governs Gravity force/Electromagnetic force/Strong nuclear force/Weak nuclear force
- 8. the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit
- 10. Law of ____ of Momentum the total momentum of objects in a closed system is constant unless acted on by an outside force
- 13. the transfer of heat or energy through direct contact of particles in a solid
- 15. Scientific ____ a statement that describes what always happens in nature under certain conditions
- 16. A measure of how much momentum changes when a force acts for a certain time
- 17. relating to motion energy an object has due to its movement
- 19. the SI unit of absolute temperature starting at absolute zero
- 22. is the tendency of energy and matter to spread out into disorder making energy less useful for work
- 24. the transfer of energy by electromagnetic waves
- 25. Newtons ___ Law An object at rest remains at rest and an object in motion remains in motion at constant speed and in a straight line unless acted on by an unbalanced force
- 26. First Law of ____ energy cannot be created or destroyed, only changed from one form to another
- 28. the amount of heat required to raise the temperature of one gram of water by one degree Celsius
- 29. Latent heat of ______ the amount of heat required to change a substance from liquid to gas at constant temperature
Down
- 1. the transfer of heat by the movement of fluids due to differences in temperature and density
- 4. Second Law of Thermodynamics in any energy transfer some energy becomes ___ for work increasing the entropy of the universe
- 5. The rate of change of velocity
- 6. Newtons ___ Law the acceleration of an object depends on the mass of the object and the amount of force applied
- 7. Kinetic _____ Theory states the idea that matter is made of tiny particles in constant motion and this motion explains properties like temperature and pressure
- 9. Newtons ____ Law For every action there is an equal and opposite reaction
- 11. the smallest unit of an element that retains the element’s properties
- 12. two or more atoms chemically bonded together
- 13. type of force that causes an apparent outward force that seems to push an object away from the center of a circle when it is moving in a circular path
- 14. a pure substance made of only one kind of atom
- 18. Latent heat of ____ the amount of heat required to change a substance from solid to liquid at constant temperature
- 20. an atom or molecule that has gained or lost electrons giving it a positive or negative charge
- 21. distance per unit of time
- 23. Universal Law of ______ is Every object in the universe attracts every other object with a force depending on their masses and the distance between them
- 27. The tendency of an object to resist a change in its motion