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Chapter 2
Lesson 1
| Question | Answer |
|---|---|
| mass | the amount of material in an object |
| matter | anything that has mass and takes up space |
| physical property | characteristic that can be observed, measured, or tested |
| relative density | a term that describes whether an object sinks or floats in water |
| substance | a specific kind of matter, like water, salt, sugar, and metals |
| volume | measure of how much space an object takes up |
| magnetism | the ability of a material to be attracted to a magnet without needing to be a magnet itself |
| conduct | to allow the passage of energy through or along a path |
| electrical energy | a form of energy that gives some things the power to work |
| thermal energy | energy related to the temperature of an object or a substance |
| insulate | to cover or surround with a material that reduces or stops the flow of energy |