Show:
Biology
Geology
Physics
Chemistry
Sci.Meth/Technology
100
What are cells with no nucleus called (earth's first life)
What is prokayotes
100
How old is earth
What is 4,600,000,000 years old.
100
What are the six simple machines
What is screw, inclined plane, pulley, lever, wheel and axle, wedge
100
what are atoms that have differing numbers of neutrons
What are isotopes
100
What does ad/bc ce/bce stand for
What is anno domini, before christ, common era, before common era
200
What are nucleated cells called
What is eukaryotes
200
at what rate does the earth rotate
What is 1000 mph
200
any pressure placed on liquids in an enclosed cylinder applies that pressure evenly
What is Pascals law
200
What force keeps atoms together when the electrons jump from one to the other
What is magnetism
200
name the two rivers and the shape of the area where Agriculture first began in Mespotamia
What euphrates, tigres, and fertile crescent
300
What is the order of biological complexity?
What is cell, tissue, organ, organ systems
300
What are the earth's diameter, radius, circumfrence, respectively
What is 8,000 m, 4, 000 mi., 12, 000 mi
300
What principal results in airplane flight
What is Bernoullis' principle
300
what kind of reaction moves energy in or out, respectively
What is endothermic, exothermis
300
In what century did the Industrial Revolution happen in US
What is 19th
400
What are the five kingdoms of life
What is bacteria,protist, fungi, plant, animal
400
what are the four major eras of earths history in order, and what does each word mean?
What precambrian, paleozoic, mesozoic, cenozoic
400
The amount of liquid displaced is equal to the weight of the object
What is Archemedis Principle
400
What does the subscript indicate in the following formula
What is H2O2
400
what are the five parts of the scientific Method
What is Question, Hypothesis, procedure, results conclusion
500
What are the 8 characteristics of life
What is adaptation, response, cells, water, reproduction, energy use, waste production, lifespan
500
What type of life dominated earth during each era, and how long did each era last?
What is simple life 4,000,000,000, complex sea life 300,000,000, reptiles 250,000,000, mammals 65,000,000.
500
What are Newtons 3 laws of Motion. explain
What is inertia, acceleration, reaction
500
What is the Chemical Equation for Photosynthesis
What is CO2 + H20 -> C6H12O6 + O2
500
what type of data is necessary in order to analyze results and reach conclusions
What is quantative