PhySci_Review

Which of the following is the most accepted theory about the formation of the universe that explains why it continues to expand?

• Big bang theory

• Divine Creation theory

• Steady State theory

• Oscillating theory

Which of the following is not a part of an average star?

• Protostar

• Nebula

• Super Giant

• Stable State Star

In which stage do massive stars explode and release large amount of energy?

• Main sequence

• Protostar

• Super Nova

• White dwarf

Which of the following gases are major components of star?

• carbon and oxygen

• helium and carbon

• hydrogen and carbon

• hydrogen and helium

Which is the first stage of a star’s life cycle?

• black hole

• nebula

• protostar

• white dwarf

Which of the following is a huge luminous ball of hot gas such as Hydrogen and Helium?

• comet

• moon

• planet

• star

What is the atomic number?

• the number of protons
• the number of protons and neutrons
• the number of neutrons
• the number of protons and electrons

Particles found in the nucleus of an atom that have no charge

• protons

• quarks

• electrrons

• neutrons

Father of Modern Periodic Table

• Neils Bohr

• Ernest Rutherford

• JJ Thomson

• Dmitri Mendeleev

What is a subatomic particle with a positive charge?

• Proton

• Neutron

• Electron