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Intro to Physical Science
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What is the difference between mass and weight?
Mass = amount of matter in a system Weight is the amount of pull that gravity has on mass
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What’s the SI unit for density?
grams per cubic cm or kilograms per cubic meter
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What is matter?
anything that has mass and takes up space
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how does a exothermic reaction feel?
Hot
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what is the SI unit for temperature?
Kelvin
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what does ductile mean?
able to be drawn into a wire
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zero kelvin is also know as ......
absolute zero
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what is kinetic energy?
energy in motion
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What is viscosity?
the thickness of a fluid
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What is deposition?
when an object turns from a gas to a solid without turning to liquid.
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What is the boiling point of water in Celsius?
100 degrees celsius
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What is the boiling point of water in Fahrenheit?
212 degrees
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what is potential energy?
stored energy
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what is filtration
separation by particle size
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What is the si unit for mass?
gram, Kilogram
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What is the SI unit for length?
Meter/Kilometer
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what are the two parts of a solution?
solvent and solute
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what type of energy is food considered?
chemical energy
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what is the name of the compound NaCl?
Sodium Chloride
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What is the density formula?
D= M/V
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What is a fluid?
any substance that has the ability to flow under stress or pressure
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how does endothermic reactions feel?
cold
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What is distillation?
separation by boiling points
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a rubber band stretched out has what type of potential energy?
Elastic
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What does heterogeneous mean?
Different mixture or able to easily distinguish parts
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What is a colloid?
middle sized particles in a solution that scatter light
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is the color of a rose a physical property or a physical change?
physical property
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what class is a chicken part of?
Aves
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what does malleable mean?
able to be hammered into a thin sheet
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What is energy?
the ability to cause change
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