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How can you describe matter?
What is density?
How can matter change state?
When does matter change state?
What are expansion and contraction?
100
Anything that has mass or volume.
What is matter?
100
Resistance to sinking.
What is buoyancy?
100
This makes any material change from one state to another.
What is a change in heat energy.
100
The melting point of water in degrees Celcius is.
What is O"C?
100
The _____________ of an object changes as it gains heat.
What is volume?
200
The amount of matter in an object?
What is mass
200
Mass over volume equals
What is density?
200
Alters the form of an object without changing what type of matter it is.
What is physical change?
200
The temperature at which a substance melts.
What is melting point?
200
The increase in an object's volume due to a change in heat.
What is thermal expansion?
300
Measures how much space matter takes up.
What is volume?
300
Pulls an object down when the object is placed in fluid.
What is gravity?
300
The average movement of particles in an object is measured by its...
What is temperature?
300
The temperature at which a substance boils is called.
What is boiling point?
300
Use the thermal expansion and contraction of alcohol to show temperatures.
What is a thermometer?
400
How strongly gravity pulls on an object.
What is weight?
400
Three common forms that matter can take?
What are solids, liquids, and gases?
400
Energy that flows between objects with different temperatures.
What is heat?
400
The temperature at which a substance freezes.
What is freezing point?
400
The decrease in an object's volume due to a change in heat.
What is thermal contraction?
500
Used to measure weight.
What is Newtons?
500
When every particle pulls itself toward the other particles this is due to.
What is surface tension?
500
The change of state is directly from solid to gas.
What is sublimation?
500
The slow change from liquid to gas at temperatures well below the boiling point.
What is evaporation?
500
Space that builders leave between sections of material.
What are expansion joints?