book #4 and #3 Flashcards
what does emit mean
creating light or to give off its own light
what does reflect mean
it is when light bouncing off of things
what are the names of the layers of the earth’s atmoshpere
tropispere, stratosphere, mesoshere, thermophere, ionosphere exosphere
what are three reasons earth can support life
liquid water, breathable atmosphere, right tempature
fact about tropisphere
weather is formed here
fact about stratosphere
ozone layer
fact about mesosphere
protection from meatiors
fact about thermosphere
it is the hottest
fact about ionosphere
electrically charged ions
fact about exosphere
where our sattilites orbit
why is it harmful to look at the sun and what are 2 methods for viewing the sun
uv rays can permanitly damage your eyes and 2 safe methods are a welding mask or a pinhole camera
why does the sun appear to move across the sky each day
because of the earth rotation
what causes day and night
the rotation of the earth
direct rays and inderect rays
direct rays are stong inderect rays are weak
why are there four seasons
it takes a year to make a full rotation of the sun
