Energy from the sun reaches the earth through electromagnetic waves. As opposed to
mechanical waves, electromagnetic waves require no material medium for their
passage. Thus, they can pass through empty space. Locate the electromagnetic
spectrum chart in your classroom. A smaller image of the chart is shown below. Identify
the common name of each wave shown in the chart.

1.________. 5.________
2.________. 6.________
3.________. 7.________
4.________. 8.________