Question | Answer | |
atom | The smallest particle of an element. | |
observation | process of using one or more of the 5 senses to gather information about the world | |
chemical change | A change in matter that produces new substances. | |
specific heat | a measurement of a material's ability to absorb and store heat energy | |
inference | a decision you make based on your observations | |
compound | A substance made of two or more elements chemically combined in a set ratio. | |
density | The measure of how much mass of a substance is contained in a given volume. | |
independent variable (manipulated) | what is changed in an experiment, what is tested | |
element | A substance that cannot be broken down into other substances by chemical or physical means. | |
dependent variable (responding) | what is measured in an experiment; the data | |
energy | The ability to do work or cause change. | |
graph | Is a diagram that shows how two variables are related on a graph, the horizontal line X axis (right to left is the manipulated or independent variable)And Y axis vertical line (up and down responding or dependent variable) | |
mass | A measure of how much matter is in an object. | |
matter | Anything that has mass and occupies space. | |
mixture | Two or more substances that are mixed together but not chemically combined. | |
molecule | A particle made of two or more atoms bonded together. | |
physical change | A change that alters the form or appearance of a substance but does not make the material into another substance. | |
state of matter | Solid have definite shape and volume Gas has neither definite shape and volumeLiquid has not definite shape but it does have definite volume | |
variables | Are the factors that can affect the experiment | |
volume | The amount of space that matter occupies. | |
weight | A measure of the force of gravity on an object. | |