Vocabulary - Sunlight Angle And Energy
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STUDENT RESOURCE 5.1
Vocabulary
INFORMATION SHEET
Celsius a scale for measuring
solar cell a device that changes
temperature, used by many people
light energy into electricity
in the world and by most scientists
A solar cell uses materials called
worldwide
semiconductors. Light knocks
The Celsius temperature scale
electrons loose so they can fl ow.
is based on water. Water freezes at
Flowing electrons make electricity.
0°C and boils at 100°C. People in
People use solar cells to run light
many other countries use Celsius.
bulbs, calculators, and other
Scientists all over the world use
devices.
Celsius so they can share data.
Fahrenheit a scale for measuring
temperature, used by most people
in our country
People in the United States use
Fahrenheit to talk about everyday
temperatures, such as weather,
cooking, and a person’s body
temperature. On the Fahrenheit
scale, water freezes at 32°F and
boils at 212°F.
SPACE • SECTION 5 SUNLIGHT ANGLE AND ENERGY
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