old TE Chem Unit 1 Word Scramble
|
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Term | Definition |
Chemistry | The study of the composition, structure, and properties of matter and the changes it undergoes |
Change of State | A physical change of a substance from one phase to another (example: gas to liquid) |
Chemical Change | A change in which one or more substances are converted into different substances |
Chemical Property | The ability of a substance to undergo a change that transforms it into a different substance |
Compound | A substance that is made from the atoms of two or more elements that are chemically bonded |
Element | A pure substance made of only one kind of atom |
Gas | The state of matter in which a substance has neither definite volume nor definite shape |
Liquid | The state of matter in which the substance has a definite volume but an indefinite shape |
Mass | A measure of the amount of matter |
Matter | Anything that has mass and takes up space |
Mixture | A blend of two or more kinds of matter, each of which retains its own identity and properties |
Physical Change | A change in a substance that does not involve a change in the identity of the substance |
Physical Property | A characteristic that can be observed or measured without changing the identity of the substance |
Pure Substance | A substance that has a fixed composition and differs from a mixture in that every sample of a given pure substance has exactly the same characteristic properties and composition |
Solid | The state of matter in which the substance has definite volume and definite shape |
Solution | the best mixed mixture |
Density | a measurement that reflects how closely packed the particles in a substance are |
Hypothesis | An if, then statement that can be tested |
Independent Variable | the variable that you change |
Dependent Variable | the variable that responds and you measure it |
Controlled Variable | part of an experiment that you do not change |
Heterogeneous Mixture | A blend of two or more substances that are not evenly mixed |
Homogeneous Mixture | A blend of two or more substances that are evenly mixed |
Volume | a measure of the amount of space occupied by an object |
Precision | how well repeated measurements agree with each other |
Accuracy | how close a measurement is to the accepted value |
Qualitative measurement | a description that does not use numbers |
Quantitative measurement | a description that uses numbers |
Created by:
kost
Popular Chemistry sets