1. Explain what it means when we say a substance is magnetic. 2. Discuss the relationship between electric and magnetic fields.
3. Which type of wires (copper, aluminum, or string) are ferromagnetic metals?
4. Open the lab interactive and run a few trials changing the variables each time. Decide which
variable you want to change in order to make a strong electromagnet and record it here. This
will be your independent variable

Listed following are various physical situations that describe how light interacts with matter. match these to the appropriate category. 1) transmission? -visible light meets clear glass -visible light does not pass through a black wall -red light hits a red sweatshirt -light comes from your computer screen -cell phone signals pass through walls -blue light hits a red sweatshirt -white light hits a white piece of paper -light comes from a light bulb