| What is the Law of Conservation of Mass? | No atoms are created or destroyed in a chemical reaction |
| How to find density of a solid object? | Measure mass.
If regular solid measure l, w, h and then calculate volume.
If irregular, submerge in eureka can, measure volume of water displaced it will equal object's volume.
Use density formula with calculated mass and volume |
| How to find density of a liquid? | Measure mass of 10ml of liquid in a measuring cylinder. Add another 10ml and record new mass and volume. Repeat roughly 10 times. Find density of each measurement. Take average of all calculated densities for liquid density. |
| Arrangement of particles in solids | Held in fixed regular positions by strong forces of attraction |
| Arrangement of particles in a liquid | Form irregular arrangements as there are weaker forces of attraction |
| Arrangements of particles in a gas | No structure, free to move in random directions at high speeds as there are almost no forces of attraction |
| Density in solids | High density, particles closest together |
| Density in liquids | Less dense than solids, particles further apart |
| Density in gases | Low density, particles freely moving |
| How is mass conserved during changes of state? | No particles are created or destroyed, only particles' arrangement or closeness changes. |
| Internal energy definition | The total energy its particles contain in their kinetic and potential energy stores |
| Specific Heat Capacity definition | Amount of energy needed to raise the temperature of 1kg of a substance by 1degree celcius |
| Specific Heat Capacity unit | J / kg degrees celcius |
| Specific Latent Heat definition | Energy needed to change a 1kg substance's state without changing its temperature |
| Practice interpreting the heating graph | Heating Graph: |
| Practice interpreting the cooling graph | Cooling graph: |
