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Gr 5 Matter
Gr 5 Test on Matter
Question | Answer |
---|---|
matter | anything that takes up space, has mass, and can be a solid, liquid or gas |
atoms | the smallest part of an element made of three particles: protons, electrons, and neutrons |
mixture | a combination of two or more substances that do not form a new substance |
periodic table | a chart that shows all elements arranged by their atomic numbers and properties |
element | a pure substance made up of only one kind of atom, such as oxygen |
solid | this state of matter has a definite volume and a definite shape |
liquid | this state of matter has a definite volume but not a definite shape |
gas | this state of matter has no definite volume or shape |
compound | this is formed when two or more elements are joined together chemically, such as H2O |
solutions | a mixture in which one substance dissolves into another, such as sugar and water |
chemical change | a change that results in one or more new substances being formed, such as a ripening tomato turning red |
physical change | a change in which no new substances are formed, such as ice melting |
molecules | a small piece of matter made up of two or more atoms, chemically joined together |
volume | the amount of space an object or substance takes up |
temperature increase | this temperature change can cause matter to change from a liquid to a gas or from a solid to a liquid |
temperature decrease | this temperature change can cause matter to change from a liquid to a solid or from a gas to a liquid |
evaporation | a change from a liquid to a gas, such as water to water vapor |
melting | a change from a solid to a liquid, such as ice to water |
freezing | a change from a liquid to a solid, such as water to ice |
condensation | a change from a gas to a liquid, such as water vapor to water |