Physical Science

The light elements were born during the _____________________

• Bigbang nucleosynthesis

• Bigbang

• Nucleosynthesis

• Bigbang nucleuses

What are the heavy elements made out of

• 75% hydrogen 25% helium

• 75% Oxygen 25% helium

• 85% hydrogen 15% helium

• 80% hydrogen 20% oxygen

This is the uneven distribution of matter that collapsed H and He into areas of concentrated.

• Clumping matter

• Nebula

• Nuclear fission

• Nuclear fusion

These are clouds of dust and gas. Clouds of H and He

• Nebula

• Protostar

• Matter

This is the spherical mass of H and He. Results of collisions of atoms and increased density of material.

• Protostar

• Nebula

• Nuclear fusion

• Nuclear fission

This happens inside the core of the star

• Nuclear fusion

• Nuclear fission

This is the formation of new elements through nuclear reaction

• Nucleosynthesis

• Nuclear fission

• Nuclear reaction

These appeared immediately after the big bang

• Stars

• Quarks and Gluons

• Matter

• Planets

This is the collective term for protons and neutrons.

• Nucleon

• Nucleus

• Nucliei

How many elements are there in the periodic table

• 118

• 81

• 91

• 120