Material World
Atoms + Changes
Atoms + Changes
When oxygen is a reactant
A substance with parts that cannot be distinguished
What is a homogeneous mixture?
It is permafrost
What is ground that has been frozen for at least 2 consecutive years?
They repel
What do like charges/poles do?
When no linking component is needed to keep the link together
What is a direct link?
It represents the nubmer of valence electrons
What does the group number represent in the atomic model?
What is the formula for concentration?
Major landslides occur, housing instability and high emissions of CH4 and CO2
What are some effects of rising global temperatures on permafrost?
The proximity of a charged object near a neutral one causes the charges to separate and creates a partial charge
What is induction?
When the driver's diameter is larger that the driven's
What is an increase in speed?
It is a neutralization reaction
What type of reaction is: Acid + Base produces Salt and Water?
It is sour, its molecular formula usually starts with an H, its pH is less than 7.
What are some characteristics of acids?
The energy resource that is influenced by the gravitational pull of the moon
What are tides?
It measures the speed of the charged moving particles
What is an ammeter?
These are the 3 types of guiding
What are rotational, translational and helical motion?
They are the 3 conditions necessary for combustion
What are oxidizing agent, fuel and ignition temperature?
An electrolyte
What is a substance that dissociates into ions in water?
Temperature and salinity
What are the 2 factors that influence ocean circulation?
They are the two types of protection in an electrcic circuit.
What are fuses and breakers?
It is an eccentric cam
What do we call a cam when its center of rotation is not in the middle?
They are the 3 types of combustion
What is the molar concentration of hydrogen ions in a solution of pH 5?
What acts like a huge conveyor belt by connecting all the waters in the world and is also responsible for major heat transfers aroudn the world?
They are the 4 ideal conditions for a conductor
What are copper, short, fat and cold?
They are all reversible systems (both transmission and transformation)
What are gear assembly, friction gears, chain and sprocket, belt and pulley, rack and pinion and connectiong rod and crank?