Describe the formula E=mc^2
Law of conservation of mass and energy and it states that energy is equal to mass multiples by light velocity.
What is
... [Show More] the Kelvin Scale?
a scale of temperature in which absolute zero is zero and kelvins used as units.
Brainpower
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True or False
An elements atoms are similar in weight and the weight depends on the type of atom.
TRUE
Any conductor restricting electron flow internally has the properly of ...
Resistance
In physics the force opposing two bodies relative motion when two bodies are in contact is referred to as ....
Friction
Define kinetic energy
Kinetic energy is the energy of motion
Define potential energy
Function of the position of an object.
Stored energy.
What are the four basic forces in nature?
gravitational, electromagnetic, strong nuclear, weak nuclear
Organize the four basic fundamental forces in order of their strengths.
Gravity, weak nuclear force, electromagnetic force, strong nuclear force.
Describe the law of conservation states
As chemical reactions take place there is no gain or loss that one can detect.
Define convection heat
To move heat from one location to another by means of currents set up in a fluid.
Define heat radiation
thermal radiation is electromagnetic radiation generated by the thermal motion of particles in matter.
the central metal of chlorophyll as a natural chelate compound is ...
Magnesium
Name the component to make pencils
Graphite
Which gas is often used to fill light bulbs?
Nitrogen
Washing soda is a name popularly used to refer to ....
Sodium carbonate
What gas is commonly known as greenhouse gas?
Hydrogen
Describe bromine
A dense, poisonous, red-brown volatile liquid
What is the major use of tetraethyl lead
Gas Additive
Graphite can be used a lubricant
True or False
True
Deep sea divers use helium to breathe as a substitute for nitrogen
True or False
True
Silicon carbide is commonly used for ....?
Breaking strong substances
What is the average saline level of sea water?
3.5%
The coat used in galvanizing iron sheets is made up of what element?
Zinc
Zinc helps with corroding. [Show Less]