Answer the question below:   Dan is on a ship, and sees that the waves are getting huge! Dan can deduce that it means that the wind is blowing harder or softer?    Assuming that:  The faster, longer, and farther the wind blows, the bigger the waves are.
harder

Answer the question below:   Sue sees a star with a high frequency. Erin sees a star with a low frequency. The cooler star belongs to Sue or Erin?    Assuming that:  Shorter wavelengths (higher frequencies) correspond to higher energies and thus hotter star temperatures.
Erin

Answer the question below:   Ed is adding a resistor to a circuit. If he needs it to have more resistance, he should add a resistor that is shorter. or longer?    Assuming that:  Longer length resistors will offer more resistance than shorter resistors.

longer