Curated OER
Measuring the Sun's Diameter
Young scholars project and measure the suns image using a refracting telescope. In this sun's diameter lesson students calculate the magnification of the telescope and determine the diameter if the Sun.
Curated OER
Lesson 4 Activity 1: Mapping the Third Dimension
Students work in pairs to construct a simple stereoscope.
Curated OER
Environmental Issues
In this environmental issues activity, students are given 10 current topics that are problems in our environment today. They complete sentences about each topic by filling in the blanks with the appropriate terms. Some of the issues...