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science matter

What is transparent? Light passes through you can see objects on the other side clearly.
What is translucent? Some light passes through objects unclear.
What is opaque? No light passes through [ bounces or is absorbed] objects on the other side cannot be seen.
What is boiling point? Temperatures at wich liquid changes to a gas.
What is the melting point? Temperatures at wich solid changes to liquid
What is freezing point? Temperatures at wich a liquid changes to a solid.
What is evaporation? The process where a liquid changes to a gas.
What is condensation? The process where a gas changes back to a liquid.
What happens when you heat up an object? The particles expand.
What Happens when you cool an object? The particles contract or bunch together.
What are neutrons? They have no charge.
What are protons? They have positive charge.
What are electrons? The have a a negative charge.
What is the nucleus? Very tiny center of the atom.
What are inside of the nucleus? protons [positive charge] and neutrons [no charge]
Created by: vanessa c.