Creation of the Elements

When helium is made it usually has 2 protons and ___ neutrons

• 2

• 4

• 6

• 1

How many neutrons are in lithium?

• 1
• 2
• 3
• 4

The first elements were formed in what is known as _________________.

• Big Bang Nucleosynthesis
• Stellar Nucleosynthesis
• Supernova Nucleosynthesis
• Genonucleosynthesis

The two elements formed in Big Bang Nucleosynthesis where __________________.

• hydrogen and carbon

• hydrogen and helium

• hydrogen and oxygen

• helium and censium

________ nucleosynthesis happens in the center of stars and is where the elements helium through iron (Fe) are formed. 

• Big Bang
• Stellar
• Supernova
• Superdupernova

Stellar nucleosynthesis stops at the element of iron because there are _________ in their nuclei.

• not enough protons
• not enough electrons
• not enough protrons
• not enough neutrons

All elements bigger than iron on the periodic table are formed in _________________.

• Big Bang Nucleosynthesis
• Stellar Nucleosynthesis
• Supernova Nucleosynthesis
• Genonucleosynthesis

A star will spend ______ of it's life turning hydrogen into helium.

• 100%

• 20%

• 90%

• 50%

How do elements like gold, copper, and lead end up on earth?

• they flow through sunshine to the earth

• as the earth gets close to a red giant, its gravity pulls these elements to the ground

• supernovae send these elements into the interstellar matter and they end up on earth from there

• these elements are made on earth by volcanic action

What do stars produce?

• Heat and light only.

• Heat, light, and energy only.

• Heat, Light energy, and natural elements.

• Light only.