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Dahlia ESS 3.1
Dahlia Aguilar ESS 3.1
| Question | Answer |
|---|---|
| Water | A clear liquid (H₂O) that is essential for all known life. |
| Capillary action | The movement of water through narrow spaces without help from gravity (going against gravity) |
| Cohesion | When same substances stick together |
| Adhesion | When different substances stick together |
| Property | A characteristic or trait used to describe something. |
| Polarity | The uneven distribution of electrical charge in a molecule. |
| Energy | The ability to do work or cause change. |
| Atmosphere | he layer of gases surrounding Earth. |
| Hydrosphere | All the water found on Earth’s surface and underground. |
| Climate | he average weather conditions of a region over a long time. |
| Convection | The transfer of heat through the movement of fluids (liquids or gases)(in a circle) |
| Freeze | To change from a liquid into a solid. |
| Dissolve | To mix completely into another substance to form a solution. |
| Specific heat capacity | The amount of heat needed to raise the temperature of a substance. |
| Solid | A state of matter with a fixed shape and volume. |
| Liquid | A state of matter with a fixed volume but no fixed shape. |
| GAS | A state of matter with no fixed shape or volume. |
| Soulte | The substance that is dissolved in a solution. |
| Solvent | The substance that dissolves the solute. |
| Solution | A mixture made when a solute dissolves in a solvent. |
| Surface tension | The force that causes the surface of a liquid to act like a stretched skin. |
| Water cycle | The continuous movement of water through evaporation, condensation, and precipitation. |
| Kelvin scale | A temperature scale based on absolute zero. |
| Absolute scale | A temperature scale that starts at absolute zero (Kelvin). |
| universal solvent | A substance that dissolves many other substances, like water. |
| Homogenous | A mixture that is evenly mixed throughout. |
| Heterogenous | A mixture that is not evenly mixed. |
| Examples of heterogeneous solutions | Salad or oil and water. |
| Examples of homogeneous solutions | Salt water or sugar water. |
| Example of cohesion | Water droplets sticking together on a leaf. |
| Example of adhesion | Water sticking to the sides of a glass. |
| Example of surface tension | A water strider walking on water. |
| Example of capillary action | Water moving up a plant’s stem. |