Overall, our planet reflects about 30% of the sunlight
that strikes it. Bright white clouds are responsible
for reflecting a lot of sunlight back into space before
it ever reaches Earth's surface. In this investigation,
however, we'll focus only on sunlight that actually
reaches the surface, and on how that solar energy is
reflected or absorbed by different types of land cover.
Click the red dots to see examples of land cover on
Earth's surface. Consider how much sunlight is reflected
from each surface.
2. Rank the four images in order of how much sunlight
each reflects, starting with the largest amount of reflected