Physical Science Vocab

1. Forces on an object that cause change in the motion of the object
6. A negatively charged subatomic particle of the electron cloud;
7. The transfer of heat in a fluid (liquid or gas)
8. Measure of the average kinetic energy of particles of matter in an object
11. A form of charge, designated negative, positive, or neutral (without charge) that is found on the subatomic particles that make up all atoms
12. A substance formed during a chemical reaction
16. Two opposite electrical charges do this
19. Chemical formulas and symbols written to represent a reaction
20. A force between two surfaces rubbing against each other
21. The change from a gas to a liquid phase
26. The transfer of heat energy between objects that are touching
27. The transfer of energy through matter or space as waves
29. The sum of all forces acting on an object
30. the measurement of distance traveled over time
31. Two alike electrical charges do this to each other
34. The height of a wave
35. The substances present before a chemical reaction
36. The amount of space an object takes up
39. The change from liquid phase to gas phase
41. The bending of light when it passes through a liquid.
42. Forces of an object that do not change the motion of the object

2. The mass of all reactants must be equal to the mass of all products
3. The energy of motion
4. The subatomic particle that is without charge
5. The process by which one or more substances change to produce one or more different substances
6. A reaction that gets cold because heat energy is absorbed from the surroundings
9. Change of an object's speed or direction
10. Light bounces back off of a surface.
13. Electromagnetic waves with longer wavelengths than visible light
14. When an object takes in, or holds Attractlight.
15. The number of times a wave passes by a fixed point
17. The measurement of the proportion of a substances mass and volume. D = m/v
18. The amount of matter in an object
22. Stored energy
23. Provide us with visible light spectrum, the colors we see
24. Anything that has mass and volume
25. The smallest unit of an element that has all of the properties of that element
28. The tendency of an object to remain still or continue moving unless an unbalanced force is applied
32. A reaction that gets hot because heat energy is released
33. A substance that cannot be separated into simpler substances by physical or chemical means
37. The distance between two corresponding points on adjacent waves
38. A push or a pull
40. The positively charged subatomic particle