An interdependent group of items forming a unified whole
What is a system?
100
In order to easily convert measurements by using small and large numbers based on the power of 10.
Why was the metric system developed?
100
A star's distance from earth. (p. 666)
What is a light year?
100
The process by which an unstable nucleus emits one or more particles or energy in the form of electromagnetic radiation.
What is radioactivity?
100
1.8 x C = 32.0
What is converting farenheit temperature to celsius?
200
The science concerned with the need to know?
What is pure science?
200
meter, liters, kilogram
What is the base unit of measurement for length, volume of a liquid, mass?
200
The 2 major gases that make up stars.
What are hydrogen and helium?
200
A continuous series of nuclear fission reactions.
What is a nuclear chain reaction?
200
T = t + 273
What is the formula for converting Kelvin temperature to Celsius?
300
The use of pure science for some practical human purpose.
What is applied science?
300
Meter stick, cylinder, balance scale
What are the devices called that measure in the metric system length, volume of a liquid, mass?
300
The 5 characteristics of stars.
What are brightness, color, temperature, size, and mass?
300
Used in nuclear power plants to regulate splitting of atoms slowing a chain reaction.
What are control rods?
300
A chemical reaction in which heat is released to the surroundings.
What is an exothermic reaction? (p. 187)
400
What is an estimation of a value based on extending a known sequence of values or facts beyond the area that is certainly known.
Interpolation is an estimation of a value within two known values in a sequence of values.
What is Extrapolation?
Interpolation is an estimation of a value within two known values in a sequence of values.
400
The metric prefixes of milli, centi, and kilo are also known as
What is thousanth, hundredth, and thousand?
400
A gigantic explosion 10 billion-20 billion years ago where nothing existed before this. It was an explosion that released all of the matter and energy that still exist in the universe today.
What is the big bang theory?
400
The process in which light nuclei combine at extremely high temperatures forming heavier nuclei and releasing energy.
What is nuclear fusion?
400
A chemical reaction that requires heat.
What is an endothermic reaction? (p. 187)
500
The exact measurement quantity that people agree to use for comparison. It was needed because mathematics is the language of science and math relyies on accurate ovservations. (Can's compare gallons to inches)
What is a standard?
500
l x w and l x w x h
What is The area of a rectangle and the volume of a cube? (area is squared and volume is cubed)
500
State of extremely high density and temperature into which a closed universe will recollapse in the near future.
What is the big crunch concept?
500
In nature, nuclear fusion occurs here.
What are stars, including the sun? (Nuclear fusion requires energy and the stars provide extreme temperatures to bring hydrogen nuclei together)
500
The one form of energy that does not involve the movement of matter.