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Matter and Mass 5th
| Term | Definition |
|---|---|
| Matter | anything that has mass and takes up space. |
| Molecules | atoms connected by chemical bonds |
| Atoms | Pieces of matter |
| Solid | atoms grouped together that hold their shape |
| Liquid | atoms grouped together that can flow |
| Gas | atoms grouped together that can move freely |
| Plasma | similar to a gas but its atoms have free Electrons, an example is a neon sign. |
| Mass | amount of matter in an object, measured in grams (g), doesn’t change no matter where you are, tool to measure it is a balance (triple beam balance). |
| Weight | measures gravity’s pull on an object, measured in Newtons, can change depending on where an object is located. Measured using a scale. |
| Gravity | The force that pulls all things towards the center of the Earth. Everything with mass has a gravitational force. |
| Law of Conservation of Mass | Mass cannot be created or destroyed. |