10th Grade Physical Science Test: Radiation and Radioactivity

What part of the atom is primarily responsible for radioactivity?

• Electron

• Proton

• Nucleus

• Neutron

Tags

NGSS.HS-PS1-8

What type of radiation consists of high-energy electromagnetic waves?

• Alpha radiation

• Beta radiation

• Gamma radiation

• Neutron radiation

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

Which of the following particles has the least mass?

• Alpha particle

• Beta particle

• Neutron

• Proton

What is the process by which an unstable nucleus loses energy by emitting radiation?

• Fusion

• Fission

• Radioactive decay

• Ionization

Tags

NGSS.HS-PS1-8

Which type of radiation can be stopped by a sheet of paper?

• Alpha radiation

• Beta radiation

• Gamma radiation

• All of the above

What is half-life?

• The time it takes for a radioactive substance to fully decay

• The time it takes for half of a radioactive sample to decay

• The time it takes for radiation to become safe

• The time it takes for an atom to stabilize

Tags

NGSS.HS-PS1-8

Which element is commonly used in smoke detectors due to its radioactivity?

• Carbon

• Americium

• Uranium

• Plutonium

Tags

NGSS.HS-PS1-8

In a nuclear reaction, what is conserved?

• Mass only

• Energy only

• Mass and energy

• Neither mass nor energy

Tags

NGSS.HS-PS1-8

Which of the following is a use of radioactive isotopes?

• Food preservation

• Medical imaging

• Carbon dating

• All of the above

Tags

NGSS.HS-PS1-8

What is the charge of an alpha particle?

• No charge

• Positive

• Negative

• Neutral