science Flashcards
Draw a sketch of our solar system and include labels
Mercury, venus earth mars jupiter saturn uranus neptune
What evidence do we have to support the Big Bang Theory? Provide 2 examples.
1 evidence cosmic background radiation
we have is that there is still some microwave light that was left after the big bang that we can still see in are atmosphere
2 evidence redshift:
is that are universes are growing farther apart showing that the universe is expanding
The sun is an example of a ___
is a large cloud of dust and gas.
The asteroid belt falls between and
How many major planets are there in our solar system?
___star__
_neblua__
_mars __
_jupitur ____
8
Why is Pluto now considered a minor planet?
because it does not clear its orbit of other debris
What are some benefits and drawbacks of space exploration?
Bad is leaving space junk and having pollution and high cost
Good is better understanding of the universe and advance in tech
Outline the Life cycle and stages a star goes through?
Nebula → Protostar → Fusion Ignition → Main Sequence → Red Giant/Red Supergiant → White Dwarf/Neutron Star/Black Hole (depending on size).
What is a solar eclipse?
When the moon blocks the sunlight from reaching the earth
What is a lunar eclipse?
When the earth moves between the sun and moon blocking sunlight for the moon
Why do we experience seasons?
Because the earth is tilted axis meaning different parts of the earth receive more direct sunlight at different times of the year
Why do we experience high tide and low tide?
Because of the gravitational pull the moon and sun have
Diagram of the sun
Core
Radiative Zone
Convective Zone
Photosphere
Chromosphere
Corona
Rank the colours associated with the stars from coldest to hottest
Red orange yellow white blue
