Formation of the Elements Crossword Puzzle

QUESTIONS LIST:

• heavy : these types of elements are made in high mass stars that require more energy, higher temperatures, and during a explosion of a supernova.
• universe : all space, time, energy, and matter in space.
• neutron : this subatomic particle has a net neutral charge.
• nucleo synthesis : during a supernova explosion, elements heavier than iron and nickel occurs during this process.
• big bang : a theory that states the universe began as a small point that rapidly expanded about 14 billion years ago.
• helium : the lightest noble gas, containing two protons, and two electrons.
• fusion : a nuclear reaction in which two lighter nuclei combine to produce a nucleus of heavier mass and results in the release of a large amount of energy.
• supernova : the explosion of a high mass star at the end of its life cycle that creates and ejects heavy elements into space.
• star : a self-luminous celestial body consisting of a mass of gas held together by its own gravity in which the energy is generated by nuclear reactions in its interior.
• electron : this subatomic particle carries a negative charge.
• proton : this subatomic particle has a positive charge.
• hydrogen : an element containing one proton, and one electron. it is colorless, odorless, and highly flammable gas.
• light : these types of elements are made in nuclear fusion in both low mass and high mass stars.