This activity consists of two parts in which students investigate heat transfer …
This activity consists of two parts in which students investigate heat transfer by radiation and by conduction. In the first part, students design and conduct an experiment to test the effect of color on an object's ability to radiate energy (heat). In the second part, they investigate the transfer of energy from a hotter object to a cooler one, in this case, containers of hot and cold water. In both experiments, they are required to state a hypothesis, make a list of materials and procedures needed for the experiment, collect and graph data, and state a conclusion. Each experiment is accompanied by a set of analysis and conclusion questions.
In this experiment, students explore the diffraction of light into different wavelengths …
In this experiment, students explore the diffraction of light into different wavelengths (colors) by using a diffraction grating and shoe box to create and measure a visible spectrum. The concepts of diffraction, electromagnetic waves, wavelength, and the electromagnetic spectrum are introduced. The activity also includes a discussion of red shift, blue shift, and the Doppler effect. Information about solar radiation and the roles of stratospheric and tropospheric ozone is included.
In this activity, students investigate how pressure affects the temperature of air …
In this activity, students investigate how pressure affects the temperature of air and how this relates to the formation of clouds in the troposphere. They will form a cloud in a bottle, find the dew point and relative humidity of air at different places in the school and use a chart to estimate how high that air would have to rise to form a cloud.
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