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RISD 5th 2nd 9 wks.
science vocabulary 5th grade 2nd 9 weeks
| 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 |