3 types of levers - ✔✔✔-1st: work is in the middle: ex seesaw
2nd: work is at one end: pry bar, wheelbarrow
3rd: work is at one end and the motion is reversed ex: fishing pole, hammer, tweezers
Adaptation - ✔✔✔-An inherited behavior or physical characteristic that helps an organism
survive and reproduce in its environment
After a full moon the moon is - ✔✔✔-Waning
Animals with hollow bones - ✔✔✔-Birds
Animals with no teeth - ✔✔✔-Birds, lizards, & frogs
Annelids - ✔✔✔-Earthworms & Leeches
Arthropods - ✔✔✔-Insects, spiders & crustacean
Atomic mass (A) - ✔✔✔-total number of protons(Z) and neutrons(N) in the nucleus
A= Z+N
atoms with neutral charge have an atomic number that is equal to - ✔✔✔-the number of
electrons
Bile - ✔✔✔-Made in the liver and breaks down fats
Blood is an example of - ✔✔✔-a buffer
, Praxis 5005 Science Exam with Questions and Answers – 100% Solved
Bouyancy - ✔✔✔-density determines if something will sink or float
less dense than water = float
Boyle's law - ✔✔✔-Gases contract when pressure is applied to them
If temp remains the same so will pressure and and volume ratio
Classification of life - ✔✔✔-Domain > Kingdom > Phylum > Class > Order > Family > Genus >
Species-(Dumb King Phillip Came Over From German Soil)
Condensation - ✔✔✔-The change from a gas to a liquid
Conduction - ✔✔✔-form of heat transfer that occurs at the molecular level
ex: pan on burner, handle isn't hot at first but then heat transfers
Conductors vs Insulators - ✔✔✔-Conductors allow the movement of electrical charge while
insulator materials prevent the movement of electrical charge
Controlling the internal environment - ✔✔✔-homeostasis
Convection - ✔✔✔-heat transfer that occurs through the movement or circulation of fluids
heat moves to cooler denser areas
ex: boiling water, ocean currents
Dmitri Mendeleev - ✔✔✔-Created the periodic table
Eukaryotic cells have a - ✔✔✔-Nucleus