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5th Grade Science
Seifert Science Unit C
Question | Answer |
---|---|
Matter | Anything that has mass and takes up space. |
Mass | A measure of how much matter there is in an object. |
Volume | The amount of space an object takes up. |
Energy | The ability to cause change. |
Physical Properties | A characteristic of matter that can be detected or measured with the senses. |
Chemical Properties | A description of how a kind of matter can change into other kinds of matter. |
Solid | Matter that has a definite volume. |
Liquid | Matter that has a definite volume but no definite shape. |
Gas | Matter that does not have a definite shape or volume. |
Element | A basic kind of matter made up of just one kind of atom. |
Atom | The smallest particle of an element that has the properties of that element. |
Nucleus | The cell structure that controls all of a cell's activities. The central part of an atom, made up of protons and neutrons. |
Chemical Symbol | A shorthand way of how a kind of atom can chande into other kinds of matter. |
Compound | A substance made up of two or more elements that are chemically joined or linked. |
Chemical Formula | A group of symbols that shows the elements that make up a compound. |
Mixture | Matter made up oftwo or more substances. |
Solution | A mixture in which the different particles of matter are spread evenly. |
Alloy | A solution of two or more metals, which has properties of its own. |