Sci9B_Task+8.34.pdf - Name Date Student Exploration Heat...

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Name: ______________________________________ Date: ________________________ Student Exploration: Heat Absorption Vocabulary: absorb, greenhouse, radiation, reflect, thermal energy Prior Knowledge Questions (Do these BEFORE using the Gizmo .) 1. Is it usually hotter outside when the Sun is low in the sky, such as early in the morning, or when the Sun is high in the sky, around noon? ____________________________________
2. If you want to stay cool on a hot, sunny day, should you wear black or white? Why? _________________________________________________________________________ _________________________________________________________________________ Gizmo Warm-up In the Heat Absorption Gizmo , a powerful flashlight can shine on a variety of materials. Make sure that the Light color is set to White . 1. Drag the Wood under the beam of light. What do you notice? _____________________________________ ____________________________________________ 2. What is the color of the light that is reflected off the wooden block? ___________________ 3. Click Play ( ) to start the clock. A. What happens to the temperature of the wood? _____________________________ B. The light that is not reflected away is absorbed by the wood. What does the absorbed light energy do to the wood? ____________________________________ ___________________________________________________________________ White because black absorbs the sun That it is reflecting the light Brown

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