Physical Science Vocabulary

3. A bond formed when one or more electrons are transferred from one atom to another.
7. A chemical reaction in which energy is primarily given off in the form of heat.
10. A chemical reaction in which energy is primarily absorbed in the form of heat.
11. Relating to, measuring, or measured by the quantity of something rather than its quality.
12. The outcome factor; the variable that may change in response to manipulations of the independent variable.
14. A push or pull exerted on an object.
17. The experimental factor that is manipulated; the variable whose effect is being studied.
19. Atoms of the same element that have different numbers of neutrons.
21. Stored energy.
22. Relating to, measuring, or measured by the quality of something rather than its quantity.
24. A replacement reaction in which one element is substituted for another element in a compound.
25. A change of matter from one form to another without a change in chemical properties.

1. A mixture in which substances are evenly distributed throughout the mixture.
2. Electrons in the outermost shell.
4. A mixture with uneven distribution of different substances, solids, liquid, gases.
5. A reaction in which a compound breaks down into two or more simpler substances.
6. A bond that involved sharing a pair of electrons between atoms in a molecule.
8. A change that occurs when one or more substances change into entirely new substances with different properties.
9. A reaction that occurs when two different atoms interact to form a new compound.
13. A replacement reaction that occurs when parts of two ionic are exchanged to make two new compounds.
15. Standard for comparison.
16. Energy of motion.
18. A factor that does not change.
20. The distance an object travels per unit of time.
23. The speed of an object in a particular direction.