Science Vocabulary | Definition |
solution | a molecular mixture of 2 or more substances |
friction | a force that opposes, or acts against, motion when 2 surfaces rub against each other |
matter | anything that has mass and takes up space |
physical property | the characteristic of a substance that can be observed or measured without changing the substance |
magnetism | the force of repulsion (pushing) or attraction (pulling) between poles of magnets |
mixture | A composition of two or more substances that are not chemically combined with each other and are capable of being separated |
boiling point | the temperature at which water boils |
melting point | the temperature at which a solid substance melts |
mass | the amount of matter in an object |
weight | the measure of the pull of gravity of an object |
volume | the amount of space an object takes up |
conductor | a material that conducts electrons easily |
insulator | a material that does not carry electrons |
circuit | the complete path of an electric current |
reflection | the light energy that bounces off of objects |
refraction | the bending of light rays when they pass through a substance |
vibration | A rapid linear motion of a particle or of an elastic solid |
lunar cycle | the cycle of the moon from full moon, half moon, quarter moon, etc. and back to full moon |
revolution | traveling in a closed path around an object |
rotation | the spinning of the Earth on its axis |
gravity | the force that pulls all objects in the universe toward one another |
atmosphere | the layer of air that surrounds Earth |
orbit | the path one body in space takes as it revolves around another body; such as that of Earth as it revolves around the sun |