How could Thales of Miletus have predicted the date of a solar eclipse without observing the location of the Moon in the sky?
What will be an ideal response?
Answer: By noticing a pattern with a period of three Saros cycles in the local records of eclipses.
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Humphry Davy was able to discover six elements by using a new invention called the ______________
Fill in the blank(s) with correct word
Generation of photochemical smog involves the reaction of unburned hydrocarbons with sunlight in a closed basin
What will be an ideal response?
A car is traveling with a constant speed when the driver suddenly applies the brakes, giving the car a deceleration of 3.50 m/s2. If the car comes to a stop in a distance of 30.0 m, what was the car's original speed?
A) 10.2 m/s B) 14.5 m/s C) 105 m/s D) 210 m/s E) 315 m/s
A neutron can be described as all of the following except: