Solar System
an average-sized star, composed of helium and hydrogen, at the center of the solar system
Sun
a pure substance that cannot be broken down into simpler substances
element
length of a straight line between two points, not to be confused with distance
displacement
transfer of thermal energy by direct contact of two objects or portions of matter
conduction
the idea that the continents were once fused together but slowly drifted apart over time
Continental Drift
a structure in a plant or animal that is composed of different kinds of tissues that perform a specific function or group of functions
organ
organisms that use sunlight to make their own food through the process of photosynthesis
producers
How many kids do I have?
3
a unit of distance equal to the mean distance from the sun to Earth, or about 150,000,000 km (AU)
Astronomical Unit
a change that alters the form or appearance of matter but does not form any new substances
physical change
Steepness of a graph at a given point
slope
condition caused by the loss of too much body heat
hypothermia
one giant continent into which most or all of the continents were assembled long ago
Supercontinent or Pangaea
the main transporter of all materials necessary for the body to function
blood
substances that an organism needs to carry out its life processes
nutrients
My favorite team?
THE Dallas Cowboys (AKA - America's Team)
a meteoroid that enters Earth’s atmosphere in a streak of light
meteor
a table that organizes the chemical elements
periodic table
ratio of distance traveled to the amount of time taken
speed
state in which all parts of a system are at the same temperature
thermal equilibrium
boundary where two tectonic plates move together, or converge
convergent boundary
chemical produced by a cell or gland in one part of the body that affects functions of other parts of the body
hormone
a diagram that shows the amount of energy that moves from one trophic level to another in a food web
energy pyramid
Where did I get my college degree?
University of Texas at Arlington
the most distant part of our solar system
Oort Cloud
the part of a solution that dissolves other substances
solvent
speed in a specific direction
velocity
the process of thermal energy transfer by electromagnetic waves
radiation
process in which a dense plate sinks under a less dense plate and melts in Earth’s mantle
subduction
combination of chemical reactions through which an organism builds up and breaks down materials
metabolism
branch of biology in which organisms are named and organized based on shared traits
taxonomy
Favorite soda?
Dr Pepper
a region beyond Neptune’s orbit extending 30 to 50 AU from the sun
Kuiper Belt
the decreasing of the concentration of a solution
dilution
a force on an object that is not canceled by other forces
unbalanced force
a measure of the average kinetic energy of an object’s particles
temperature
area of the mantle where hot rock rises upward
hot spot
a microorganism, such as a bacterium or virus, that causes infection
pathogen
a system in which each type of organism is given a Latinized scientific name with two terms
binomial nomenclature
What city do I live in?
Mansfield