The Big Bang, Galaxies, and Stars
Flashcard
•
Science
•
11th Grade
•
Practice Problem
•
Hard
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the Big Bang Theory?
Back
The Big Bang Theory is the leading explanation for the origin of the universe, proposing that it began as a singularity approximately 13.8 billion years ago and has been expanding ever since.
Tags
NGSS.HS-ESS1-2
2.
FLASHCARD QUESTION
Front
What are the three main types of galaxies?
Back
The three main types of galaxies are Spiral, Elliptical, and Irregular.
3.
FLASHCARD QUESTION
Front
What characterizes a Spiral Galaxy?
Back
A Spiral Galaxy is characterized by its flat, rotating disk containing stars, gas, and dust, along with a central concentration of stars known as the bulge.
4.
FLASHCARD QUESTION
Front
What is an Elliptical Galaxy?
Back
An Elliptical Galaxy is a type of galaxy that has an ellipsoidal shape and lacks the distinct features of spiral galaxies, often containing older stars and little gas.
5.
FLASHCARD QUESTION
Front
What defines an Irregular Galaxy?
Back
An Irregular Galaxy does not have a distinct regular shape, often appearing chaotic and containing a mix of young and old stars.
6.
FLASHCARD QUESTION
Front
What is a constellation?
Back
A constellation is a group of stars that forms a recognizable pattern in the night sky, often named after mythological figures, animals, or objects.
7.
FLASHCARD QUESTION
Front
What is the life cycle of a star?
Back
The life cycle of a star includes stages such as nebula, main sequence, red giant, and final stages like supernova, neutron star, or black hole, depending on the star's mass.
Tags
NGSS.HS-ESS1-1
NGSS.HS-ESS1-3
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