Thermal Energy
A spoon in hot liquid becomes hotter to the touch
What is conduction?
The force combining electric & magnetic forces is __________________.
What is electromagnetism?
The magnetic field of a magnet is ____________ the further away from the magnet.
What is weaker?
In 6CO2 + 6H2O > C6H12O6 + 6O2 , there are this many atoms on the reactant side.
What is 36?
Atoms with a(n) ________________ charge will be attracted to atoms with a(n) ____________ charge.
What is positive; negative?
the transfer of energy in a wave or stream of particles
What is radiation?
_____________ is the force created when ions create attractive & repulsive forces.
What is electric?
By ______________ the number of loops, you will increase the strength of an electromagnet.
The new substances created in a chemical reaction are known as _______________.
What are products?
Cooking food in a microwave
What is radiation?
the transfer of thermal energy through a gas or liquid (fluid)
What is convection?
Name an element naturally magnetic.
What is cobalt, iron, or nickel?
__________ are to electricity as poles is to magnetism (think of the attract and repel points).
What are ions?
The following equation is balanced or unbalanced.
2 Na + 2H2O > 2NaOH + H2
What is balanced?
In static electricity, charges do not move through a current.
What is static?
ocean breeze
What is convection?
Electrons flowing through wires from a - terminal to a + terminal it creates a(n) ___________.
What is a current?
The ___________________ around the electric charge that experiences force exerted by the electric charge.
What is electric field?
___ N2+ ___ H2 > ___ NH3
What is ___ N2+ ___ 3H2 > ___ 2NH3 ?
Current electricity occurs when electrons flow in a(n) ______________.
What is a circuit?
In convection, heat energy travels through a(n) ___________. (a liquid or a gas)
What is a fluid?
An electric force that is positive (+) moves INWARD or OUTWARD to/from the charge.
What is outward?
Besides increasing the number of loops, another way to increase the strength of an electromagnet is to increase the ____________, or the battery power.
What is current?
The following is balanced or unbalanced.
NaBr + CaF2 > NaF + CaBr2
What is unbalanced?
Balance the following equation.
___ Ca + ___ O2 > ___ CaO
What is 2Ca + O2 > 2CaO?