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Fresh water and water pollution
States of matter
Changes in State
Behavior of Gases
Laws and principles
100
The most important liquid on Earth is?
What is fresh water
100
What are the four states of matter?
What is solid, liquid, gas, and plasma
100
Many fast moving particles break away from the liquid and become a ______.
What is gas
100
The SI unit for pressure
What is pascal
100
Which principle stated that pressure applied to the fluid is transmitted unchanged through the fluid
What is pascal's principle
200
Refers to water that contains such high levels of unwanted materials that it is unexceptable for drinking or other specific purposes
What is Polluted water
200
Tiny particles in constant motion make up all matter is ?
What is kinetic theory of matter
200
A liquid changes to a gas gradually at temperatures elbow the boiling point is?
What is evaporation
200
The amount of force exerted per unit of area
What is pressure
200
What is archimedes principle
What is the buoyant force on an object in a fluid is equal to the weight of the fluid displaced by the object
300
If _______ ______________ is changed too much, some organisms that live in the water will die
What die water temperature
300
What is plasma?
What is a gaslike mixture of positively and negatively charged particles
300
Amount of energy needed to change a material from a liquid to a gas is?
What is heat of vaporization
300
The total amount of force exerted by a gas depends on the size of its _______.
What is container
300
Which law states that when volume do a gas decreases when the pressure increases, the provided temperature stays the same
What is Boyle's Law
400
_____________, ______________, and ______________ used on farms may enter the groundwater.
What is fertilizers, pesticides, and herbicides
400
What is thermal expansion?
What is matter expands as it gets hotter and contracts when it cools.
400
Condensation is?
What is takes place when a gas changes to a liquid
400
P=F/A What does F mean
What is force
400
Charles's Law states?
What is the volume of a gas increases when temperature increases, provided pressure stays the same
500
What is thermal pollution
What is excess heat in the water
500
If you push down on a liter of water with a moderate amount of force, it's __________ remains a liter
What is volume
500
What is heat of fusion?
What is amount of energy needed to change a material from the solid state to the liquid state
500
One pascal of pressure is a force of one ________ per square meter
What is newton or N
500
Which principle states that as the velocity of a fluid increases, the pressure exerted by the fluid decreases
What is Bernoulli's principle