Unit 3 Review: Stars and Elements

Hydrogen is fused to helium for how much of a star's life?

What is one of the key ingredients in creating new chemical elements?

What fuels the life of a star?

What happens in the core of a star?

Why does iron kill stars?

Why can't light escape from a black hole?

What is "spaghettification"?

What element kills stars?

When protons fuse in the core of a star, it releases a huge burst of energy.

Which star has the longest lifetime?

These structures in the Universe are so large, they can't be held together by gravity. 

Which of the following is NOT a goldilocks condition to make stars?

Which of the following is NOT true about a White Dwarf? 

When is carbon created?

Eventually Earth will be swallowed up by our sun as it grows. What stage will it be in?

Which of the following is a hypothetical last stage for a low mass star?

The study of chemicals and their interactions is called...

Why are heavier elements in the periodic table more rare in the Universe?

Planetary Nebulae are a key component of which kind of star?

Which chemical element has 26 protons?

A group of galaxies is called...

Which element is the lightest on the periodic table of elements?

A neutron star occurs at the end of which star's life?

The ingredients to make a star include all of the following EXCEPT...

When gravity begins to pull stars together BEFORE the main sequence stage, what is this called?

Which kind of star has a steady output of light and is used to calculate distance?

A supernova only happens during what kind of star's lifecycle?

New Chemical Elements pave the way DIRECTLY for which new complexity?

Why is the formation of stars an important threshold in Big History?

The periodic table of elements is organized by type and weight. How is weight determined?

Nebulas are considered "star nurseries" because...

Why is more heat needed to fuse heavier elements?