Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
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
physical science Q1
physical science
| Question | Answer |
|---|---|
| physical science | The study of matter and energy. |
| Mass | The amount of material an object has. |
| Physics | The study of how energy acts with matter. |
| Matter | Anything that has mass and takes up space. |
| Chemistry | The study of matter and how it changes. |
| Unit | A Known amount used for measuring |
| Customary | Ordinary |
| Metric System | System of measurement used by scientist |
| meter | the basic unit of length in the metric system, it is about 39 inches Metric unit |
| centimeter | 1/100 of a meter |
| millimeter | 1/1000 of a meter |
| meterstick | common tool for measuring length in the metric system |
| kilometer | a metric unit of measure that is equal to 1,000 meters |
| Area | the amount of surface an object has |
| Exponent | a number that tells how many times a number is a factor |
| gram | basic unit in the metric system |
| kilogram | a unit that equals 1000 grams |
| milligram | a unit that measures 1/1000 of a gram |
| centigram | a unit that measures 1/100 of a gram |
| cubic centimeter | a metric unit that means cm X cm X cm |
| Property | characteristics that help identify an object |
| atom | the building block of matter |
| molecule | the smallest part of a substance that keeps the characteristics of that substance |
| .solids | a form of matter that has a definite shape and volume |
| liquids | a form of matter that has a definite volume but takes the shape of the container. |
| gas | a form of matter that has no definite shape or volume |
| Plasma | a very hot gas made of particles that have an electrical charge. |
| states of matter | the form that matter has - solid, liquid and gas. |
| Element | matter that has only one type of atom |
| Compound | A substance that is formed when two or more elements join together |
| proton | subatomic particle with a positive charge |
| electron | subatomic particle with a negative charge |
| neutron | subatomic particle that is neutral |
| 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 element's name |
| Periodic Table | an arrangements of elements by atomic number |
| Isotope | an element that has a different number of neutrons than protons and electrons |
| Deuterium | an isotope of hydrogen that has one proton and one neutron |
| Tritium | an isotope of hydrogen that has one proton and 2 neutrons |
| Family | a group of elements arranged with similar properties and in the same column |
| metals | type of element; usually solid at room temperature, shiny and good conductor |
| nonmetals | type of element with properties unlike metals |
| noble gases | type of elements made up of gases that do not combine with other materials |
| alloys | a mixture of 2 or more metals |
| inert | lacking the power to move |
| energy level | one of the spaces around the nucleus in which electron move |
| Chemical Formula | Tells the kind of atom and how many of each kind are in a compound. |
| Subscript | A number in the formula that tells how many parts are in the compound |
| Radicals | A group of 2 or more atoms that act like 1 atom |
| Binary compound | A compound with 2 elements |
| acid | a compound that reacts with metals to produce hydrogen |
| base | a compound that contains the OH radical |
| pH | number that tells if an item is a base or acid |
| motion | -a change in position |
| speed | rate at which the position of an object changes |
| distance | the length of the path between 2 positions |
| constant speed | speed that does not change |
Created by:
studymacc123
Popular Physical Science sets