Science - Matter and Particle Theory
A short course covering the basics of matter and particle theory. Ideal for students aged 9 upwards for revision, or for adults wishing to learn more on the subjects
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Science - Matter and Particle Theory - Details
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51 questions
| 🇬🇧 | 🇬🇧 |
| What happens when you heat a gas inside an enclosed space? | Pressure increases |
| What happens when you increase the temperature of gas particles? | They move faster, and hit walls surrounding them harder and more often |
| What happens to a liquid when it reaches a temperature high enough for the particles to break the forces holding them? | It boils, turning into a gas |
| What happens to the particles in a liquid when they have gained energy from being heated? | They move faster and the forces holding them weaken |
| What happens to the particles in a liquid when heated? | They gain energy |
| What happens to the particles in a solid object when they have gained energy from being heated? | They move faster and the forces holding them weaken |
| What happens to a solid object if the particles are heated to a level where they break free from their fixed point? | It melts into a liquid |
| Diffusion is a slow process, why is this? | Gas particles bump into air particles, slowing them down |
| What happens when you reduce the size of a space that a gas is enclosed in? | They hit the walls more often, causing higher pressure |
| What happens to the particles in a solid object when heated? | They gain energy |
| What is the property of a liquid in terms of density? | Medium density |
| What is the property of a liquid in terms of shape? | Indefinite, will match the shape of their container |
| What is the property of a gas in terms of shape? | Indefinite, will match the shape of their container |
| What is the property of a liquid in terms of ability to flow? | Will flow easily |
| What is the property of a gas in terms of ability to flow? | Will flow easily |
| What is the property of a solid in terms of compressibility? | Not easily compressed |
| What is the property of a liquid in terms of compressibility? | Not easily compressed |
| What is the property of a gas in terms of compressibility? | Easily compressed |
| What is the property of a gas in terms of volume? | Indefinite, will match the shape of their container |
| What are the three states of matter? | Solid, liquid and gas |
| What are all materials made up of? | Tiny particles |
| What determines if a material is solid, liquid or gas? | How strongly the particles stick together |
| What three things determine how well the particles in a certain material stick together? | Pressure, temperature, and material |
| What is the definition of the word property in terms of describing the three states of matter? | How they behave |
| What are the 5 main properties? | Shape, density, volume, ability to flow, and compression |
| Gases have a very low density, why is this? | Not many particles in a large volume |
| Gases are easily compressed, why is this? | There is a lot of free space between particles |
| What it is about particles in a liquid that means they can fill the space they are in? | They move fast and collide with eachother and their surroundings |
| What is the position and arrangement of particles like in a gas? | Far apart and moving in all directions |
| Liquids can be quite dense, why is this? | Quite a lot of particles in small volume |
| Liquids are not easily compressed, why is this? | Particles are already very close together |
| What it is about particles in a liquid that means they can flow? | They don't keep a definite shape |
| What is the position and arrangement of particles like in a liquid? | Close, but free moving |
| What are the forces of attraction like between particles in a liquid? | Not strong, but not weak either |
| Solid objects are generally very dense, why is this? | Lots of particles in a small volume |
| Solid objects are not easily compressed, why is this? | Particles are already very close together |
| What do particles do in a solid object, meaning they can't flow like liquids? | Stay in one position |
| What is the position and arrangement of particles like in a solid object? | Uniform and close together, with vibration |
| What is the definition of particle theory? | That particles in any state of matter stay the same, its the arrangement and their energy that changes |