Theories and Other Stuff
Star Life Cycle
Our Sun
Sun and Earth
Moon and Planets
100
What is the popular theory that states that the universe started as one point, then there was an explosion that sent matter everywhere?
Big Bang Theory
100
What does all stars start out as?
Nebula
100
What is the process that the sun uses to create energy?
Nuclear fusion
100
What is a rotation and what does it give us?
The Earth spinning on its axis, day and night
100
What does the Impact Theory state?
Moon formed billions of years ago when condensing gas and debris thrown off when Earth collided with Mars sized object
200
What type of galaxy is the Milky Way?
Spiral
200
What are the two different types of star life cycle?
High mass and low or medium mass
200
Draw the sun and label the photosphere.
Layer that gives off light often called the surface
200
What is a revolution and what does it give us?
The Earth going around the sun in the shape of an ellipse, 1 year
200
Draw and label a solar eclipse.
Include moon, sun, Earth, umbra, penumbra (sun, moon, Earth)
300
Explain a difference between a meteor and a meteorite.
Meteor-in he atmosphere meteorite-is when rock hits Earth
300
What will the end stage of our star be?
Black dwarf
300
What is a comet made up of?
Large chunks of ice, dust, frozen gases, and rock fragments
300
What causes seasons on earth?
Earth traveling in an ellipse and tilt of its axis
300
Draw and locate the asteroid belt in the solar system.
Between Mars and Jupiter
400
What does the Oscillating Model state?
The universe began with expansion, over time the universe contracted, process began again
400
What would the magnitude of the brightest star be?
1, smallest number (magnitude is used to describe brightness of star)
400
What is the convection zone?
Cooler layer of gas that constantly rises and falls—sending energy to the photosphere
400
Draw and label the winter solstice.
Earth tilt away from sun
400
Draw and label a waxing crescent
Draw and check your answer
500
Draw and label the three types of galaxies.
Spiral , elliptical, irregular
500
Explain the difference between apparent and actual (absolute) brightness.
Apparent-starts brightness from Earth, absolute-star’s actual brightness if all stars were equal distance from Earth
500
How did our sun form?
Nebula, explosion caused shock wave moved through area, formation of flattened disks of cloud fragments, increase in temp for fusion to take place
500
Draw and label the fall equinox.
Sun light his mostly at equator
500
How were the planets in our solar system formed?
Nebula, explosion produced a shock wave through the area, matter collided and stuck together
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