Curated OER
Wavelengths of Light
Explore physical science by participating in a visual spectrum experiments. Budding scientists identify the colors in the color spectrum and view the colors in class by utilizing cellophane, flash lights, and other arts and crafts...
Curated OER
Sound Observations
Young scholars explore sound waves by conducting an experiment in class. In this sound frequency lesson, students utilize a tuning fork in class and identify which objects in class create different sound pitches on the fork. Young...
Curated OER
Convection Currents
Students explain and understand the circulation of air in the atmosphere. They identify that energy can be carried from one place to another by heat flow or by waves, including water, light and sound waves, or by moving objects. ...
Curated OER
The Speed of Galaxy Q2125-431
In this speed of a galaxy worksheet, students use a given equation for the speed of an object and they use the spectral lines for Hydrogen Alpha and Beta from the Seyfert galaxy to answer 6 questions. They determine the observed...
Curated OER
Sources of Electricity
In this online electricity worksheet, learners are asked 10 questions about electric current and battery energy, an online answer key provided.
Curated OER
Determining Red-Shift in a Receding Star
Students practice manipulating algebra formulas with more than one variable. They examine the topics of velocity, wavelength and frequency. They determine the amount of red-shift in a receding star.