Shadows

1 - There are different sources of light.

calm body of water during sunset

turned on pendant lamps

white and blue light bulb

2 - Shadows can occur whenever light is present.

silhouette of people

3 - Shadows do not occur in the dark.

silhouette of mountain

4 - A shadow is an image of an object that is created when sunlight or people-made light is blocked by that object.

sunlight reflecting on trees in the forest

5 - Shadows change as the direction of the light source changes.

two people standing on concrete floor man and woman walking

6 - Objects in a shadow will be cooler than objects in sunlight.

bokeh photography of thermometer on plant