Make observations to determine how sunlight warms Earth’s surfaces (sand, soil, rocks, and water).
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Investigate phenomena that produce heat.
Use an illustration to identify various sources of heat energy.
Place a thermometer in a sunny window and one in a shady area of the classroom and record the temperatures over time. Compare, discuss, and record any temperature differences.
Distinguish among heat, radiant, and chemical forms of energy.
Associate the sun’s energy with the melting of an ice cube placed in a window.