Radioactivity: alpha, beta, gamma

Name the instrument used to detect radioactivity?

• Voltmeter

• Ohmeter

• Geiger counter

• Seismograph

Tags

NGSS.HS-PS1-8

What particle is released when an unstable isotope undergoes alpha radiation?

• a neutron

• an electron

• a photon of light

• a helium nucleus

Tags

NGSS.HS-PS1-8

Which type of radiation gives out electron?

• Alpha radiation

• Beta radiation

• Gamma radiation

Tags

NGSS.HS-PS1-8

What kind of radiation can be stopped by paper?

• Alpha radiation

• Beta radiation

• Gamma radiation

In order of most to least penetrating radiation, we have

• alpha, beta, gamma

• gamma, beta, alpha

• alpha, gamma, beta

• beta, alpha, gamma

Which type(s) of radiation would be affected by a magnet?

• alpha only
• beta only
• alpha and beta
• gamma only

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

What is the symbol for an alpha particle?

• ⁴₂He
• ⁰_-1e
• ⁰₊₁ e
• ¹₀n

Tags

NGSS.HS-PS1-8

The type of radioactive particle that can be stopped by a sheet of paper is the ____.

• alpha particle
• beta particle
• gamma ray
• uranium

What stops beta radiation

• Paper

• Air

• Glass

• Aluminium 3mm or thicker

Which line in the table describes the nature of an alpha-particle and a gamma-ray?

• A

• B

• C

• D

Tags

NGSS.HS-PS1-8