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Physical Science
| Question | Answer |
|---|---|
| Physical science | the study of matter and energy |
| Mass | amount of material |
| Chemistry | the study of matter and how it changes |
| Physics | the study of energy |
| Matter | take up space |
| Unit | a known amount used for measuring |
| Customary | ordinary |
| Metric System | system of measurement used by scientist |
| Meterstick | a common tool for measuring |
| Meter | the basic unit of length is about 36 inches |
| Centimeters | 1/100 of a meter |
| Millimeter | 1/1,000 of a meter |
| Kilometer | a metric unit of measure that is equal to 1,000 meter |
| Area | The amount of an object has |
| Exponent | A number that tells how many times another is a factor |
| Gram | Basic unit in the metric system |
| Kilogram | A unit that equals 1000 grams |
| Milligram | A unit that 1/1000 of gram |
| Centigram | A unit measures 1/100 of a gram |
| Cubic Centimeters | A metric unit that means cm x cm x cm |
| Property | Characteristics that help identity an object |
| Moleucule | The smallest part of a substance that keeps the characteristics of the substances |
| Atoms | The building block of matter |
| Solid | A form of matter that has a definite shape and volume |
| Liquid | A form of matter that has a definite volume but no definite shape |
| Gas | A form of matter that has no definite shape and volume |
| States of Matter | The form of that matter has - solid, liquid, or gas |
| Plasma | A very hot gas make of particles that an electric charge |
| Element | Matter that has only one type of atoms |
| Compand | A substance that is formed when atoms of two or more element together |
| Proton | A tiny particle in the nucleus an atom |
| Election | A tiny particle of an atom that move around the nucleus |
| Neutron | A tiny particles in the nucleus of an atom that is similar to a proton |
| Atomic Number | Number of protons in a specific element |
| Atomic Mass | The number equals the sum of the protons and neutrons |
| Symbol | One or two letters used to represent an name |
| Isotope | An element that has a different number of neutrons than protons and electrons |
| Periodic Table | An arrangement of element by atomic number |
| Deuterium | An isotope of hydrogen that has one proton and one neutron |
| Tritium | An isotope that has one neutron and two protons |
| Metals | Type of element; usually solid at room temperature, shiny and good conducter |
| Nonmetals | Type of element with properties unlike metals |
| Noble gases | Type of element made up of gases that do not combine with others |
| Alloy | A mixture of 2 or more |
| Inert | Lacking the power to move |
| Family | A group of elements with similar properties with arranged in a column on the periodic table |
| Energy levels | One of the spaces around the nucleus of an atom in which an electron moves |
| Chemical formula | Tells the kinds of atoms and how many of each kind are in a compound |
| Subscript | A number in a formula that tells the number of atoms of an elements in a compoud |
| Radicals | A group of two or more atom that acts like one atom. |
| Binary Compound | A compound that contains two elements |
| Acid | A compound that reacts with metals to produce hydrogen |
| Base | A compound that contains the OH radical |
| pH | A number that tells if an item is a base or acid |
| Motion | A change in position |
| Speed | The rate at which the position of an object changes |
| Distance | The length of the path between two points |
| Constant Speed | Speed that does not change |
Created by:
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