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Properties of Matter
GJHS Properties of Matter
| Question | Answer |
|---|---|
| Gold will sink in water because it is ____________ dense than water. | more |
| A ________ shows the ratio of elements in a compound. | formula |
| _________ is a physical property that enables minors to distinguish real gold from pyrite. | density or malleability |
| A change that produces one or more new substances is called a ___________ change. | chemical |
| In a blast furnace, iron metal separates from its compounds because _______ in the compound reacts with carbon. | oxygen |
| Chemistry is the study of the _____________ of matter. | properties |
| A _________ can contain as few as two atoms or more than a million atoms. | molecule |
| If you landed on the moon, your _______ there would be the same as when you are on Earth. | mass |
| The smallest particle of an element is called a(n)___________________. | atom |
| In the early 1800s, John Dalton proposed the idea that atoms are rigid spheres that ____________ be broken. | cannot |
| The measurement of how much matter an object contains is its __________________. | mass |
| Water is made from how many atoms? | three: two hydrogen, one oxygen |
| The density of a block of wood with a volume of 50 cubic centimeters and a mass of 100 grams is: | 2g/cm3 |
| In nature, copper usually exists as a _____________ in an ore. | compound |
| Dalton's theory of atoms says _______ combine to form compounds. | atoms |
| A compound is made of two or more ____________. | elements |
| A compound contains elements that are _______________ bonded. | chemically |
| A compound contains elements combined in a specific ____________. | ratio |
| Color, hardness, and flammability are all ____________. | properties |
| What technique did miners use to separate gold from sand and dirt? | panning |
| The measurement of the amount of mass in a given volume is called _________. | density |
| What property enables gold to be easily separated from other materials in a mixture? | density |
| Iron can be separated from a compound of iron and oxygen by heating the compound and ________________ together. | carbon |
| Dalton's theory states atoms of different elements are ___________ from each other. | different |
| A group of atoms that are bonded together is called a(n): | molecule |
| Each specific substance can be identified by its unique ___________. | properties |
| The first person to think about about as made from atoms was: | Democritus |
| How do you calculate the density of an object? | Divide mass by volume |
| mixing a milkshake is a _____________ change. | physical |
| Baking cookies, burning paper, and rusting of iron are examples of _____________ changes. | chemical |
| In chemistry, elements are represented by ___________. | symbols |
| What holds atoms together in a molecule? | chemical bonds |
| The measurement of how much matter an object contains is its ___________. | mass |
| All elements are composed of extremely small particles called _______________. | atoms |
| According to _____________'s theory of atoms, all atoms in A SPECIFIC ELEMENT are exactly alike. | Dalton |
| The SI unit for mass is _______. | gram |
| To separate copper from its compounds, a ___________ reaction must take place. | chemical |
| The masses of elements in a compound are always in a constant ____________. | ratio |
| Which type of matter consists of two or more substances that are NOT chemically combined? | mixtures |
| Substances that cannot be broken down by chemically into other substances are ______________. | elements |
| An electric current breaks the chemical bond that joins a metal and other elements in an ore in a process called________________. | electrolysis |
| The measurement of the force of gravity on an object is the object's ____________. | weight |
| When you describe the color, texture, and hardness of an object, you are giving examples of physical ______________. | properties |
| A ______________ of water is made up of one oxygen atom and two hydrogen atoms. | molecule |
| According to Dalton's theory about matter, the ___________of different elements are different. | atoms |
| A _____________ change is usually needed to release iron from ore. | chemical |
| John Dalton said that masses of elements in a compound are in a constant ____________. | ratio |
| During the electrolysis of a dissolved copper compound, one _____________ becomes coated with metallic copper. | electrode |
| All the different kinds of matter in the universe are made of about 100 substances called ___________. | elements |
| Mass is the measure of the total amount of ______________ in any object. | matter |
| The unit used to measure density is a unit of mass divided by a unit of _____________. | volume |
Created by:
Ms. Traynor-Grimes (Ms.TG)
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