1A Physical Science Word Scramble

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1A Physical Science

Question	Answer
What particle is stopped by paper?	Alpha Particles.
What particle is stopped by wood?	Beta Particles.
What ray is stopped by concrete?	Gamma Rays.
What is an isotope?	Two of the same elements with same number of protons and a different number of neutrons.
What is a mass number?	The total number of protons and neutrons in an atom.
What is an alpha particle?	The weakest type of particles.
What is a beta particle?	High energy,high-speed electrons.
What is a gamma ray?	The most energized form of light.
Who came up with the term radioactivity?	Marie Carie.
Who found out about radioactivity?	Henri Becquerel.
What are three side effects you get from radiation poisoning?	Headache, fever, and death.
Which particle is the least harming?	Alpha particles.

Created by: marcus92512 on 2012-02-16