big bang vocabulary
constantly
always, continuously, over and over
what is an atomic particle?
smaller particles that make up an atom, like protons, neutrons, and electrons
northern lights/Aurora Borealis occur in this layer
Ionosphere
What is the lowest layer?
Troposphere
If something is cable of being seen it is
visible
expand
to increase in size, grow, spread
Radiation meaning?
a form of energy that moves through space as waves or particles
most satellites orbit the Earth in this layer
Exosphere
what is the hottest layer of our atmosphere
Thermosphere
What is a group of similar things that are close together?
cluster
process
a series of steps or actions
Visible Light meaning?
Visible Light is made up of a range of wavelengths that the human eye can see/radiation you can see
it absorbs solar radiation, protects Earth from UV rays, and emits heat
what layer is this
Ozone layer
What layer is in the middle
Mesosphere
what does dense mean?
closely packed together; compacted; crowded
astronomer
a scientist who studies the heavenly bodies outside of Earth
Infrared radiation
a type of electromagnetic radiation that we can't see, but we can feel as heat
what is another name for Northern Lights, a natural light display in the night sky
Aurora Borealis
what layer protects us from meteors
mesosphere
what keeps galaxies together
gravity
Big Bang Theory
The universe was a tiny ball until it exploded sending matter, space, and time flying in all directions.
Ultraviolet Radiation
the type of radiation that causes skin and eye damage.
the layer where weather occurs and where we live
Troposphere
What layer have the northern lights
Ionosphere
what is a galaxy?
a system of millions or billions of stars, together with gas and dust, held together by gravitational attraction