The Sun as an Energy Source

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Presentation transcript:

The Sun as an Energy Source

Hot Notes Radiation is the direct transfer of energy by electromagnetic waves Solar radiation is energy from the Sun It is a major source of energy on Earth.

What is a Radiometer? An indicator of radiant energy.

(Number of Seconds Radiometer Continues to Spin after Lights Out) Collecting Radiant Energy Data Distance vs. Time Distance From the Lightbulb to radiometer Time (Number of Seconds Radiometer Continues to Spin after Lights Out) Trial 1 Trial 2 Trial 3 Average 20 cm 40 cm 60 cm

What is a Radiometer? An indicator of radiant energy. Pay attention to the importance of the black and white vanes when you conduct your experiment. Be able to share out their role.

Your Turn Refer to student guide page 90 What is the question that you would like to explore? What variable are you changing? Make a table to gather your data Present idea before proceeding.