SOLAR ENERGY - Fun Facts

Solar power is the second most abundant source of energy on the planet

• True

• False

More solar energy reaches Earth in one hour than the world uses all year.

• True

• False

Sunlight takes approximately _____ minutes to reach the Earth.

• 8

• 18

• 28

• 88

About ____ % of incoming solar radiation is reflected back into space and the rest is absorbed by clouds, oceans, and land.

• 5

• 15

• 30

• 50

Solar energy has been used by plants and microorganisms since the beginning of time.

• True

• False

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

The first silicon solar cell was developed by Bell Laboratories in _________ (year)

• 1954

• 1964

• 2004

• 2016

1 megawatt (MW) of solar energy can power over ______ homes

• 100

• 200

• 300

• 400

The photovoltaic (PV) effect was discovered by French scientist Edmond Becquerel in __________.

• 1839

• 1945

• 1965

• 2001

Solar-powered calculators were invented in 1978.

• True

• False

The International Space Station is entirely solar powered.

• True

• False

Tags

NGSS.MS-PS3-3