Narrow Search

Filters: Your search found 493 results.
Topics/Subjects:
Light and optics  
Mathematics  
Sort by:
Per page:

Now showing results 461-470 of 493

This is an activity about observation. Learners will first observe a first quarter Moon and as a group, predict which phase the Moon will be in during the next observation. After this, learners will continue to chart the progress of the lunar cycle... (View More)

This is an activity about telling time. Learners will construct a northern-hemisphere star clock and will set their star clocks based on the position of the Big Dipper in the sky. Then, they will use their star clocks to predict where the Big Dipper... (View More)

This is an activity about spectroscopy. Learners make their own spectroscope and measure the wavelengths of spectral lines. Then, they will record the colors, patterns, and wavelengths of the lines from various light sources. This activity requires... (View More)

This is an activity about science and pseudo-science. Learners will examine the validity of astrology by charting birth dates of U.S. presidents and by comparing horoscopes in different newspapers. After, students will attempt to identify their own... (View More)

This is an activity about size and scale. Learners will construct accurate size models of the Earth and Moon out of clay and use them to model the Earth-Moon distance. This is Actividad 4.1 as part of El Universo a Sus Pies, a Spanish-language... (View More)

In this introductory global change investigation, students gather and record visual and written data from their surroundings, and through analysis, show how the sampling window chosen for examination can affect an outcome, sometimes resulting in... (View More)

This is an activity about comets. Depending on the grade level of learners, either the instructor or the learners will construct a model comet using dry ice, ammonia, dirt, corn syrup, and water. This is Actividad 5.3 as part of El Universo a Sus... (View More)

This is an activity about scale. Learners will use toilet paper squares as a standard measuring unit for a Solar System model and will determine the scaled distance between each planet using the data provided. This is Activity D-2 of Universe at... (View More)

This is an activity about telescopes. Learners will first measure several circles to determine their diameters and calculate their areas. Afterwards, they will cover each circle entirely with pennies and record how many pennies are needed for each... (View More)

This is a set of two activities about time. First, in Cosmic Calendar, learners will scale the evolution of the Universe to a one-year calendar, with the Big Bang occurring on the first moment of January first. Then, in Time-Line Scale Model of the... (View More)