Explain how medical magnetic resonance imaging (MRI) exploits the magnetic properties of the nucleus.
Explain how medical magnetic resonance imaging (MRI) exploits the magnetic properties of the nucleus.
Science Questions
Explain how medical magnetic resonance imaging (MRI) exploits the magnetic properties of the nucleus.
Explain how a sound is actually a form of energy? In what medium do sound waves travel?
A current is connected to 115-volt power source. If a current of 5 amps flows in the wire, what is the resistance of the circuit?
Find out where your electrical power is generated. Does your local utility buy additional power from some other source? What kind of fuel or energy is used to drive the turbines? Are there pollution controls that restrict the use of certain kinds of fuels at your local power plant?
Identify at least THREE everyday examples of waves that travel through each of the following:
solids
liquids
gases
In what ways do different kinds of seismic waves differ from waves on water?
Why are the X-rays used for medical diagnosis?
What other wavelengths of electromagnetic radiation are used in medicine?
What is the wavelength of the carrier wave used by your favorite radio station?
What three particles make up every atom?
What are the major differences among the three particles that make up every atom?
What is the relationship between a photon and a quantum leap?
Using the periodic table, determine the result of the following calculation: the number of electrons in the outer shell of a hydrogen atom minus the number of electrons in the outer shell of a helium atom plus the number of electrons in the outer shell of a hydrogen atom.
When is an electron a valence electron? Why are valence electrons especially important in chemical reactions?
Are the following substances acid, base, or neutral:
sodium bicarbonate (pH = 8.3):
Blood (pH = 7.4):
milk (pH =6.7):
orange juice (pH = 3.6):
milk of magnesia (pH = 10.5):
When your body metabolizes the food you eat, are the chemical reactions endothermic or exothermic?
When a chemical reaction takes place, it is noted that the temperature in the environment of the reaction drops. Is the chemical reaction endothermic or exothermic?
Why does ice float when placed in water?
What roles do hydrogen bonding plan in this phenomena?
What information does the octane rating of a fuel provide?
When is a fuel with a high octane rating necessary?
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