Science Flashcards Term one
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26 questions
| 🇬🇧 | 🇬🇧 |
| - no new substance is produced - they - there can be Ma change in shape or state. | What are signs of a physical change |
| The object expands, the volume of the object increases. The higher the temp, the more the particles move. | What is expansion? What happens in the process? |
| The object decreases in volume. The lower the temp, the less the particles inside the objects move. | What is contraction? |
| (ask different changes) | Changes of state diagram |
| Temp when bubbles of a gas form a liquid and it is said to boil | Define boiling point |
| A solid - called a solute is dissolved in a liquid - called a solvent to form a solution. e.g. salt in water | Define mixing |
| Electron - negative charge neutron - no charge proton - positive charge it goes a neutron in the middle then a proton and then the electron cloud | Subatomic particle |
| Chemical - C + O2 = CO2 word - carbon + oxygen = carbon dioxide | Chemical equations and word equations |
| - most dense will sink - least dense will float | Floating and sinking |