2nd Sem Physics Final 2024

Current is...

• moving protons
• moving electrons
• measured in volts
• measured in ohms

Resistance is...

• What "slows down" electrons
• What "speeds up" electrons
• Moving electrons
• What "pushes" electrons

Clouds form during the process of...

• evaporation
• condensation
• precipitation
• runoff

Which term best describes water vapor?

• Solid
• Liquid
• Gas

What are clouds made out of?

• Molecules of pure oxygen
• ozone and carbon dioxide
• water droplets, dust, and smoke particles
• 78% nitrogen, 21% oxygen, and 1% other gases

As the air temperature increases, the air's capacity for water vapor:

• increases
• decreases
• remains the same
• is unrelated to air temperature and can either increase or decrease

What gas makes up 3/4th of earth's air?

• oxygen
• nitrogen
• carbon

What force pulls the air down?

• gravity
• barometric pressure
• electricity energy
• elastic energy

What type of large scale winds blow constantly, predictably, and over long distances?

• mountain breezes
• global winds
• land breezes
• sea breezes

Where does the initial source of energy come from that creates winds?

• the moon
• the sun
• the Earth's surface
• the rotation of the Earth