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JC States of Matter

What is matter? Anything that takes up space and has mass
What is mass? The amount of matter an object contains
List the 3 states of matter Solid, Liquid, Gas
When something is solid the particles are________ packed tightly together so they vibrate
When something is liquid the particles are________ moving and slide around one another. Have more energy than solids.
When something is a gas the particles are__________ spread far apart, filling any space they're in. Have more energy than liquid
What is compression of gases? Gas particles are spread far apart, compressing them forces them to be closer together in a smaller space
List the 5 properties of solids fixed mass, fixed volume, fixed shape, does not flow, does not compress
List the 5 properties of liquids fixed mass, fixed volume, no fixed shape, does flow, does not compress
List the 5 properties of gases fixed mass, no fixed volume, no fixed shape, does flow, does compress
What is diffusion? Diffusion is the spreading out of particles to fill the space they're in
Give two examples of diffusion Perfume and Cooking
List 3 things that effect how quickly diffusion occurs temperature (higher temperature, quicker diffusion), size of particles (smaller particles move quicker), state of matter (quickest in gases)
What word describes a change from a solid to a liquid? Melting
What word describes a change from a liquid to a gas? Evaporation/boiling
What word describes the change from a gas to a liquid? Condensation
What word describes the change from a liquid to a solid? Freezing
What is melting point? The temperature at which a substance melts
What is freezing point? The temperature at which a substance freezes
What is evaporation? Liquid particles are heated and become more energetic. They spread out to form a gas.
What is boiling point? The temperature at which a liquid changes to a gas
What is condensation? Cooling a gas takes energy from the particles so they slow down moving and come closer together to form a liquid
List the 5 steps of the product life cycle Extraction, manufactoring, packaging and distribution, product use, end-of-life disposal
What is a carbon footprint? The total greenhouse gas emissions caused by an organisation, event, product or individual
What is a physical change? Matter changes shape or state but no new substance is formed. Easy to reverse
What is a chemical change? A new substance is formed. not easy to reverse.
What is law of conservation of mass? Matter cannot be created or destroyed but can change from one form to another
Created by: aileenwa