Bright Colors: Many flowers are brightly colored, like red, yellow, and blue. Bees can see these colors well, and they find them attractive. It's like a bee calling card
Flowers have a sweet liquid called nectar hidden inside their petals. Bees have a sweet tooth, and they're always searching for nectar to eat.
Flowers are like a warm, sunny spot. Bees like to feel warm when they're working, so they visit flowers in the sun.