1. What is an electric signal? 2. Define electronics.
3. Create a table comparing and contrasting analog and digital signals.

Astudent looks at ocean waves coming into the beach. an ocean wave with more energy will a) have a greater height. b) have a greater period. c) travel toward the beach faster. d) strike the beach with greater frequency.

Which best describes what forms in nuclear fission? a. two smaller, more stable nucleib. two larger, less stable nucleic. one smaller, less stable nucleusd. one larger, more stable nucleus

Efficiency is the ratio of to for a system a)power in to power in b)power in to power out c) power out to power out d) power out to power in