Radioactivity Chapter 20

Where does radioactivity have application in our lives?

• Medicine
• Energy (electricity)
• Agriculture
• All of the above

The rate at which a radioactive element decays is its ____.

• quarter life
• whole life
• wonderful life 
• half life

Tags

NGSS.HS-PS1-8

Energy in the sun is produced as a result of nuclear ____ reactions.

• fusion
• fission
• waste
• sub

Tags

NGSS.HS-ESS1-1

In a nuclear reactor, electricity is produced from what element?

• Plutonium
• Uranium 235
• Radon 220
• Lead 232

Tags

NGSS.HS-PS1-8

Neutrons released in a fission reaction can strike other nuclei and cause a 

• meltdown
• take down
• break down
• chain reaction

Tags

NGSS.HS-PS1-8

Both a fusion reaction and a fission reaction produce 

• heat (energy)
• light
• sound
• magnetism

Tags

NGSS.HS-PS1-8

The three types of nuclear radiation in order of increasing penetrating power are

• alpha, beta, gamma
• alpha, gamma, beta
• beta, alpha, gamma
• gamma, alpha, beta

Tags

NGSS.HS-PS1-8

The process by which nuclei having small masses are united to form a single larger nucleus is called nuclear ____.

• fusion
• fission
• reactivity
• waste

Tags

NGSS.HS-PS1-8

Name the instrument used to detect radioactivity.

• voltmeter
• ohmeter
• seismograph
• geiger counter

Name the type of radioactive particle that can be stopped by a sheet of paper.

• alpha
• beta
• gamma
• lambda