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Measuring Matter
Changes in States
Energy
Vocabulary
More
100
How do you find volume?
Length x width x height or water displacement
100
Process by which a solid becomes a liquid.
Melting
100
Kinetic Energy increases as what two things increase?
Mass and Speed
100
The stuff things are made of. Anything that takes up space.
Matter
100
A substance that has a fixed volume and a fixed shape.
Solid
200
How do you find density?
mass/ volume
200
Process by which a liquid becomes a solid.
Freezing
200
Energy of motion. Depends on both an object’s mass and speed.
Kinetic Energy
200
How much stuff something has in it.
Mass
200
A substance that has a fixed volume but not a fixed shape.
Liquid
300
A pizza box has a height of 5 in., a width of 20 in., and a length of 10 in.. What is the volume of the pizza box?
5x20x10= 1000 in cubed
300
Process by which a liquid becomes a gas.
Evaporation
300
Stored energy that an object has due to its position.
Potential Energy
300
Downward pull on an object due to gravity.
Weight
300
A substance with no fixed volume or shape.
Gas
400
An egg has a mass of 20 grams and a volume of 50 ml. What is its density?
20/50 = .4 g/ml
400
Process by which a gas changes into a liquid.
Condensation
400
Law of Conservation of Energy states ?
Energy can change forms but it can never be created or destroyed.
400
The smallest basic unit of matter
Atom
400
Two or more atoms that are bonded together to make a particle.
Molecule
500
A box has a mass of 100 grams. It is 2 cm by 5 cm by 10 cm. What is its volume and density?
100 ft cubed =volume 1 g/cm
500
When a solid changes directly into a gas.
Sublimation
500
Mass x Velocity
Momentum
500
How much space something takes up.
Volume
500
Amount of stuff in something compared to amount of space it takes up.
Density