explain that when energy is transferred from one system to another, the total quantity of energy does not change. this is called ____________ of ________________.
the sun produces a lot of energy from the process of ____________.
fusion is the process of combining__________ atoms to together to release _____________.
matter, energy, matter, energy
the total amount of____________ and __________ before fusion is the same as the amount of _____________ and ____________ after fusion takes place.
energy from the sun is brought to the earth through _________________.
____________ and ___________ are both forms of radiation.
energy on the sun is brought up through its layers through ___________ because hot material ___________ over cool material.
the energy starts in the __________ where _______ takes place and moves outward.
hit, energy, conduction
as the particals (atoms) __________ each other in the sun, they pass their _________ on and this is called ___________.
energy, light, medium
the _________ in the form of _________ does not need a ___________ (material) to get to earth.
sound, meium, hear, medium
_____________ waves need a _________ (material) to travel through so we cannot __________ the processes taking place on the sun because there is no ____________ (material) between us.
solar wind, poles, magnetic fields
the particles that come from the sun in the form of _________ are directed to the _________ of the earth because of the _________________.
the __________ forces exist between all objects with ___________.
gravitational force, planets
the ____________ hold our solar system (our neighborhood of _____________) together.
the ________ hold or galaxy (our neighborhood of __________) together.
process that releases energy when hydrogen atoms are smashed together with other hydrogen atoms to release energy and produce helium.
simplest atom --#1 on periodic table.
#2 on the periodic table.
the process in which energy is transmitted as particles or waves.
the process in which hot (less dense) material rises above cooler msterial.
the process in which energy is passed on by particles hitting particles.
particles thrown out by the sun.
firey arch of particles which are thrown out of the sun and then pulled back by the magnetic and gravitational forces of the sun.
the surface of the sun.
the outer layer ("crown") of the sun.
cooler spots on the sun which appear to be darker than the surrounding areas.
our neighborhood of 8 planets (poor pluto) with one star. (sun)
mercury, venus, earth, mars.
jupiter, saturn, uranus, and neptune.
a neighborhood of stars.
our galaxy which is a spiral galaxy.
in a spiral galaxy this group of stars spin in an "arm" formation.
all matter and space that we know to exist.
the time it take light to reach the earth from the sun.
the sun is not super big or small compared to other stars in the universe.
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