Stars Unit Study Guide

Front

1. 1. What are the 4 fundamental forces?

Back

1. Strong nuclear, weak nuclear, electromagnetic, and gravitational forces

Front

2. 2. What force is responsible for radioactive decay?

Back

1. Weak nuclear force

Front

3. 3. What force is most dominant in the formation of a nebula?

Back

1. Gravitational force

Front

.4 What force must act if a star is to be born?

Back

1. Strong nuclear force

Front

.5 What are the 3 types of star-forming nebulae?

Back

1. Emission, reflection, and dark

Front

.6 What is responsible for the light coming from a reflection nebula?

Back

1. Scattering of light from nearby stars

Front

.7 What is the name of a star before fusion ignites?

Back

Protostar

Front

.8 What physics concept is responsible for the rotation and formation of a disc around a protostar?

Back

1. Conservation of angular momentum

Front

.9 What is the classification of stars based on their temperatures called?

Back

1. Spectral classes

Front

1. .10 What are the 2 main hydrogen fusion processes for stars?

Back

1. The proton-proton chain and the CNO cycle