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Science
Chapter 4 science test
| sentence | sentence |
|---|---|
| When two or more elements join together chemically a ______ is formed. | Compound |
| Elements join together to form ________ in a specific ____ ______ like H2O | Compound, Mass Ration |
| ________ and _________ are the best examples of ____ substances. | Elements, Compound |
| If salt is mixed with a glass of water the salt is called a ______. | Solute |
| _____ is a pure substance because its made up of ___ or more elements. | H2SO4, 2 |
| Salad dressing is a _______ because it is ___ made up of two or more pure substances. | Mixture, NOT. |
| Elements are classified on the periodic table as _______, _________, and __________. | Metals, Nonmetal, Metalloids. |
| The only way to break down a ________ is by ________ changes | Compound, Chemical |
| _________ do not form after chemical physical changes. | Compounds |
| _________, ___________, and ________ are _________ of elements. | Boiling Point, Melting point, Density, Physical properties. |
| A _______ _______ does not depend on the amount of element. | Characteristic Property |
| Reactivity with acid is not a ______ property of a _______. | Physical, Compound. |
| _________ cant break down a compound because its not ________. | Filtering, chemical. |
| Lemonade is a ________ because the particles of two or more substances are distribute evenly among each other | Solution |
| When_______ form _______, the elements keep their properties because there was no ________ reaction. | Elements, mixtures, chemical |
| _________ are pure substances because they cant be separated by _______ methods. | Compounds, physical |
| _______ and ______ are similar because some of them are good conductors of electric currents. | Metalloids, Metal |
| Crushing a sugar cube helps to ______ faster in _____. | Dissolving, Water. |
| Salt can be dissolved in water because salt is _______. | Soluble |
| When you make chocolate milk, milk is the _______ because it is the liquid doing the dissolving. | Solvent |
| An aluminum pan is considered an________ because it is made up of just aluminum and not any other element mixed together. | Element |
| When you make a _______ the liquid is considered the ______ because you have more of the liquid. | Mixture, Solvent |
| In a _________ mixture (Chex mix) the substances are not evenly distributed and can be identified. | Heterogeneous |
| A ______ gives each element its own unique identity. | Proton |
| A ___ ____ is brittle, dull and poor conductors of heat and electricity. | Non-metal |
| A _____ is not a pure substance. | Mixture. |
| When a ________ will not dissolve anymore of a substance if it is saturated. | Solution |
| A _______ is used by doctors and nurses to separate a ______ of blood. | Centrifuge, mixture. |
| _______ can be made of solids, liquids, and gas. | Mixtures |
| A ________ that contains a large amount of ______ is concentrated. | Solution, Solute. |
| Decreasing the temperature will not increase the rate at which solids ______ | Dissolves |
| _______ ______ is the most soluble at lower temperatures than at higher temperatures because on the _______ curve at the temperature goes up the solubility goes down | Cerium Sulfate, Solubility |
Created by:
Easy80
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