Like this study set? Create a free account to save it.

Sign up for an account

Already have a Quizlet account? .

Create an account

conservation, energy

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 ____________.

hydrogen, energy

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 _________________.

heat, light

____________ and ___________ are both forms of radiation.

convection, rises

energy on the sun is brought up through its layers through ___________ because hot material ___________ over cool material.

core, fusion

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 _________________.

gravitatinal, mass

the __________ forces exist between all objects with ___________.

gravitational force, planets

the ____________ hold our solar system (our neighborhood of _____________) together.

gravity, stars

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.



solar wind

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.

sun spots

cooler spots on the sun which appear to be darker than the surrounding areas.

solar system

our neighborhood of 8 planets (poor pluto) with one star. (sun)

inner planets

mercury, venus, earth, mars.

gas giants

jupiter, saturn, uranus, and neptune.


a neighborhood of stars.

milky way

our galaxy which is a spiral galaxy.

galaxy arm

in a spiral galaxy this group of stars spin in an "arm" formation.


all matter and space that we know to exist.

8.5 minutes

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.

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions and try again


Reload the page to try again!


Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

Voice Recording