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Knowlege Map

Sci. Foundations and Astronomy Knowledge Map items (2 sections)

The amount of space an object occupies Volume
The amount of matter an object contains Mass
The amount of matter in a given volume Density
S.I. unit of length Meter
S.I. unit of mass Kilogram
S.I. unit of volume Liter
S.I. unit of temperature Celsius
An educated guess, possible explanation or answer to a question Hypothesis
The independent or manipulated variable - plotted on the horizontal axis The X-axis
The dependent or responding variable plotted on the vertical axis The Y-axis
The three types of galaxies Spiral, elliptical, and irregular
Spinning clouds of gasses that radiate heat and light Stars
The process that causes stars to shine and give off light. The star's hydrogen atoms fuse together creating helium atoms, which releases a tremendous amount of energy Nuclear fusion
Most astronomers believe in this theory that states that the universe began as a concentrated area of matter and energy that exploded Big Bang Theory
Stars follow this which is dependent on the mass of the star Life Cycle
Small and medium stars cool to become these White dwarfs
Small and medium stars become white dwarfs that burn out to come these Black dwarfs
Massive and super massive stars die and become these Black holes or neutron stars
The distance to stars outside our solar system is measured in this unit Light year
Huge collections of billions of stars held together by gravity Galaxies
This diagram displays the main characteristics of stars Hertzprung-Russell diagram (or H-R diagram)
Stars spend most of their life cycle in this phase Main sequence phase
Created by: nmerson