Physical Science Summative Exam

What is the difference between ionizing and non-ionizing radiation?

• Ionizing radiation has enough energy to remove electrons from atoms, while non-ionizing radiation does not.

• Ionizing radiation is visible to the human eye, while non-ionizing radiation is not.

• Ionizing radiation has a longer wavelength than non-ionizing radiation.

• Ionizing radiation is less harmful to living organisms than non-ionizing radiation.

Which of the following is the time when hydrogen is converted into helium in the layer surrounding the core.

• White dwarf

• Supernova

• High Mass Massive star

• low and medium mass star

Which of the following is not considered as light elements?

• He

• Li

• H

• Pb

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

What do you called to an explosion that happen when the core of a large star can no longer produce the needed energy?

• White dwarf

• Supernova

• Planetary Nebula

• Neutron Star

When three helium atoms combine through fusion, what is the resulting element?

• O

• C

• Cl

• N

Who predicted new elements based on the atomic number of known elements?.

• Hubble

• Mosely

• Mendeleev

• Rutherford

What type of decay will emit gamma rays?

• Fusion

• Alpha

• Beta

• Gamma

During which type of decay will an electron be emitted?

• Electron Capture

• Alpha

• Beta

• Gamma

During which type of decay will two protons and two neutrons be emitted?

• Alpha Bombardment

• Alpha Decay

• Beta Decay

• Gamma Decay