1) Which material would have the strongest compressive strength?

i) egg shell

11) a ream of paper

111) pile of dry sand

iv) rope

v)shopping bag

2) Hydrogen is to a proton as helium is to.

a) an alpha particle.

b) a beta particle

c) a gamma particle

d) an electron

e) a neutron

3) A high -energy Physicist might request research funding for studies pertaining to:

a) aerobic physiology.

b) hydrogen bombs

c) Elementary particles

d) ultimate field theories

e) tertiary particles.

4) Which elementary particle cannot participate in the Strong Force?

a) lepton

b) electron

c)tau

d) neutrino

e) all of the above

5) The force that holds the nucleus together despite the electrical repulsion between protons is:

a) gravitational force

b) weak force

c) electromagnetic force

d) strong force

e) electroweak force