Vovabulary 1
Vocabulary 2
The Sun
How Are Stars Classified?
What Are Galaxies
100
everything that exists..planets, stars, gases, and dust
What is the universe?
100
cooler areas on the photosphere of the sun
What are sunspots?
100
a huge ball of very hot gases
What are the features of the sun or what is it made up of?
100
by brightness, color, and shape
How are stars classified?
100
the Milky Way Galaxy
What is the galaxy that the Earth is in?
200
a group of stars, gas, and dust
What is a galaxy?
200
the sun's corona
What is visible only during an eclipse or what is the name of the sun's atmosphere?
200
they decay and become fuel
What happens when organisms die?
200
hydrogen, helium, and dust
What is needed to form a star?
200
spiral, barred, elliptical, and irregular
What are the four types of galaxies?
300
brief bursts of energy from the sun's photosphere
What are solar flares?
300
how bright a star is
What is magnitude?
300
tremendous heat and pressure
What is needed for fusion to occur?
300
as a nebula
How does a typical star begin?
300
clouds of gas and dust
What are nebulae made of?
400
the core
What is the innermost layer of the sun?
400
the distance light travels in one Earth year
What is a light year?
400
hydrogen particles
What particles are fused in the sun to produce energy?
400
it is a clue to its surface temperature
What does the color of a star tell us?
400
the Local Group
What galactic cluster does the Milky Way belong to?
500
fast-moving stream of particles thrown into space from sunspots
What is the solar wind?
500
the photosphere
What is the surface of the sun called?
500
no photosynthesis could occcur
Why would there be no plants if there was no sun?
500
by studying energy through satellites and telescopes
How do scientists learn about stars?
500
they shine by absorbing energy waves from neighboring stars
Why do nebulae appear to shine?
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