Measuring volume 1. Magnetic Force 1. Students determine attractive force of 2 magnets by placing one on a balance, and bringing the other one closer. Two teacher demonstrations of waves 2. Students make and use a pinhole viewer.
Students learn relationships between wavelength and energy.
Students make viewer 28 Light and Color 1. Teacher demonstration of prism 2. Teacher demonstration of primary colors of light 3. Students make and use a prism 4. Students make and use a spectroscope 1.