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Phys Science1
10 cads
| Question | Answer |
|---|---|
| Name a difference between a substance and a mixture. | A substance has an unchangeable chemical formula, mixtures have different amounts of various materials. |
| What is a colloid? | A colloid is a mixture with medium sized particles that do not settle when left out. |
| What is a suspension? | A mixture with large particles that settle when left out. |
| What is the Tindle Effect? | When a light shines through a colloid and the beam of light is visible. |
| How can you prove that a liquid is a colloid? | Shine a flashlight through the check for the Tindle Effect. |
| What is Kinetic Theory? | Particles move around in substances and get faster when heated and slower when cooled. |
| What is a physical change? | A change that does not change the substance. |
| How does the Kinetic Theory affect solubility? | Particles move faster, causing for easier disolving. |