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science Final

1st semester 7th grade

Independent variable what is being tested in an experiment; the variable that is purposely changed in a n experiment.
Dependent variable The results of the experiment; the variable that is measured
1st Law of Motion objects at rest tend to stay at rest and objects in motion tend to stay in motion in a straight line at a constant speed unless acted upon by and outside force
Second Law Force equals mass times acceleration (F=MA) or in simple terms, more force is required to change the speed and direction of a heavy object than a light object
3rd Law For every action there is a reaction and opposite reaction
What is The Solar System Solar system consists of Moons Comets asteroids and minor planets and dust and gas.
What is the asteroid Belt This is a band of asteroids sits between the orbits of the planets Jupiter and mars.
What is the Kuiper belt has pluto and millions of objects to small to be considered planets
what is beyond The kuiper Belt Oort Cloud
Mercury Less than 2 days in a year . Believed to be a core of a once large planet
Venus brightest planet our sky. Hottest planet due to runaway greenhouse effect.
earth 3/4 water more water than Land
Mars largest volcano found on this planet about 1/3 of Earths gravity
Jupiter Largest planet largest storm in the known universe
Saturn Has many rings and is the lightest planet
Uranus rotates on it's side
Neptune One year is 165 earth years
Pluto Now considered to be a dwarf planet, sometimes comes closer to the sun than neptune.
Created by: German 1