8I Fluids Word Scramble
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Term | Definition |
Brownian motion | An erratic movement of small specks of matter caused by collisions with smaller particles of liquids or gases |
Compress | To squeeze into a smaller volume |
Contract | To get smaller |
Density | The amount of mass that one cubic centimeter of a substance has |
Diffusion | When particles spread from high concentration to low concentration |
Expand | To get bigger |
Gas | State of matter with no fixed volume or shape and is easy to squash |
Liquid | State of matter that has a fixed volume but no fixed shape |
Solid | State of matter that has a fixed shape and fixed volume |
State of matter | Solid, liquid or gas |
Mass | The amount of matter that something contains |
Particle theory | The use of moving particles to explain scientific phenomena |
Volume | The amount of space something takes up |
Boiling | When a liquid turns to gas within all parts of the liquid |
Evaporation | When a liquid turns to gas at the surface of the liquid only |
Boiling point | The temperature at which a liquid turns into a gas |
Condense | When a gas turns into a liquid |
Freeze | When a liquid turns into a solid |
Freezing point | The temperature at which a liquid turns into a solid |
Melt | When a solid turns into a liquid |
Melting point | The temperature at which a solid turns into a liquid |
Sublime | When a solid turns into a gas without going through the liquid state |
Water vapour | Steam |
Fluid | A gas or a liquid |
Pressure | The amount of force pushing on a certain area (N/m2 or Pa) |
Upthrust | A force that pushes things up in liquids and gases |
Weight | The amount of force with which gravity pulls things (N) |
Air resistance | A force that tries to slow objects down that are moving through the air |
Balanced force | When two forces on an object are the same strength but in opposite directions |
Drag | Another name for air resistance or water resistance |
Friction | A force between two objects that are touching |
Streamlined | Something that has a smooth shape to reduce the air resistance or water resistance |
Water resistance | A force on objects moving through water |
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