4. Open the lab interactive and run a few trials changing the variables each time. Decide which vanable you want to change in order to make a strong electromagnetand record it here. This will be your independent vanable.

Scientists follow specific processes in order to determine valid explanations and conclusions from observations. david observed strange lights in the sky above his home outside of roswell, new mexico. the only explanation that makes sense to him is that there are ufos in the area. what should david do next to verify his explanation?

Write a hypothesis about the effect of increasing resistance on the current in the circuit. use theformat and be sure to answer the lesson question. “how do changes in voltage or resistance affect current in an electric circuit? ”

Use 4 to 5 complete sentences, explain the concepts of beats and how beats are produces.