students who wrote about their thoughts before a test outperformed students who did not. What is the explanation for these results?

When I current is running through a coil of wire with an iron core what is created around the wire that is carrying the current? A. An electric force B. A magnetic field C. An electric field D. A magnetic pole

What is the difference between a solar cell and a solar panel

A shell fired into the air explodes into two equal fragments. Which of the following is conserved. a. Kinetic energy b. potential energy c. momentum d. impulse

For a chair to be balanced on one leg, where must the center of gravity be located? A. in the center of the seat B. toward the front of the chair C. toward and above the balancing leg of the chair D. toward the back of the chair

Electrons are much larger than protons and neutrons. True False

Which are precautions to take when working with heat and fire?

What are 4 types of motion

What is the value of the charge that experiences a force of 2.4 * 10-3 N in an electric field of 6.8 * 10-5 N/C? A. 1.6 * 10-7 C B. 2.5 * 10-3 C C. 2.8 * 10-3 C D. 3.5 * 101 C

What is electromagnetism?

How much voltage is required to run 0.054 A of current through a 15 2 resistor? Use AV = IR. O A. 0.81 V O B. 1.2 V O c. 2.8x10²v O D. 3.6 x 10-3 v