After they know what light is, we can tell them how do we characterize electromagnetic waves: amplitude, frequency and polarization.
We humans just detect amplitude (through intensity and frequency through colors), but bees can also "see" polarization.
tristen-shields
commented
3 years ago 
After they know what light is, we can tell them how do we characterize electromagnetic waves: amplitude, frequency and polarization. We humans just detect amplitude (through intensity and frequency through colors), but bees can also "see" polarization.