With the person you’re sitting next to, decide who has longer hair! Longer hair person = Magnets, Short hair person = Electricity One student writes electricity and the other writes magnetism. On my signal list one thing you know about the topic. Switch and write another thing about the topic. Magnetism Electricity

Create a class list of what we know about electricity and magnetism.

Title pg. 61 L- Junk Yard Machine https://www.youtube.com/watch?v=FqT2uOa1-d0&t=20s (top half) https://www.youtube.com/watch?v=XBWy9gzGGd4 (bottom half)

Title pg. 61 R- Junk Yard Machine Model Create an initial model of how the junk yard machines work (top half) Models should include a Sketch Labels Explanation

Create an electromagnet Using the following materials: Nail Wire Battery

62L Is the electromagnet a magnet? What is your evidence? Picks up paper clips What happens when a magnet is placed near the nail?

62 L How could you create a stronger electromagnet? Test one variable at a time

62 L/R How could you create a stronger electromagnet? Test one variable at a time...Example: How many staples can you lift up 1 Battery 10 loops 20 loops

Title pg. - Junk Yard Machine Model Create a final model of how the junk yard machines work (bottom half) Models should include a Sketch Labels Explanation

What is an electromagnet? Notes 62L/R temporary magnet made by wrapping a current-carrying wire around an iron core

62L/R How do the number of coils affect the number of pins attracted to the electromagnet?

62L/R How does the size of the current affect the number of pins attracted to the electromagnet?

What are two ways to make a stronger 62L/R electromagnet? - increase the number of coils -increase the amount of current