11 Physics Matter

What is MATTER?

• Anything that has MASS

• Anything that takes up SPACE

• Anything that has MASS and takes up SPACE

• Anything that DOES NOT have mass or take up space

What type of forces act between particles?

• Repulsive

• Weak

• Attractive

• Strong

In the standard model, the particle considered to be an elementary particle is a(n)

• proton
• neutron
• electron
• alpha particle

All atoms consist of mostly empty space.

• True
• False

Neutrinos have no charge, do not interact with matter, and are known as "God particles".

• True
• False

All of the following are quarks except

• strange

• bottom

• charmed

• spark

A proton is made up of two up quarks and one down quark with charges of +2/3, +2/3, and –1/3. 

• True 
• False
• More information is needed

These are light, elementary particles that are not made up of quarks.

• Gluons

• Electrons

• Leptons

• Baryon

These are the category of hadrons that contain three quarks. This distinguishes them from mesons, which contain two (1 quark and 1 antiquark).

• Gluons

• Electrons

• Leptons

• Baryons

All baryons are assigned a baryon number of ___, all anti-baryons are assigned ___, and all non-baryons are ___

• -1, +1, 0

• -1, 0, +1

• +1, -1, 0

• 0, -1, +1