ricky smith flashcards

the movement of the axis of a rotating body or a wobleis known as
oscillatory movement
based on the observed red shifts in the spectral lines of distant galaxies, astronomers conclude that
space between galaxies is expanding
what tool do you use to measure mass
balances, triple beam balance, electronic scale
in which step of the scientific method is information obtained through the senses
define problem
plants use sunlight to produce sugar through the action of the chlorophyll through a process known as
photosynthesis
the energy of a photon is related to its
wave length
earths axis slowly but continuously points in different directions a movement known as
precession
what are the threetypes of galaxies
spiral, elliptical, irregular
the turning or spinning of a body on its axis is known as
rotation