Physics Lab in a Hardware Store, Part I

In planning for our upcoming AmblesideOnline Year 5 Term 1, I'm adding in the optional science book Physics Lab in a Hardware Store by Bob Friedhoffer.
Part II 
Part III

For this 12-week term, we'll divide up the readings like this:
Intro
pp. 21-23
pp. 23-25
pp. 26-27
pp. 28-29
pp. 29-30
pp. 30-32
pp. 33-36
pp. 37-39
pp. 39-42
pp. 43-46
pp. 46-50

Supplies

Items to view

(These aren't necessarily required in person, as the book has illustrations of them and they aren't needed for activities.)

• tape measure
• open-jawed calipers
• vernier calipers
• sandpaper with various coarseness (can be observed in the store)
• file
• motor oil
• graphite
• paraffin wax
• axe
• hatchet
• maul
• splitting wedge
• cold chisel
• wood chisel
• plane
• wooden wedge
• ladder
• various types of screws, including wood screws and machine screws (bolts) and nuts
• Phillips screwdriver
• toggle anchors and Molly anchors

Items to use

(These are needed for observations and activities and may be required more than once.)

• open-jawed calipers
• vernier calipers
• sandpaper
• tape
• 3 feet of string
• empty 1 liter plastic bottle with cap
• scrap wood that is smooth on one side
• fine sandpaper
• coarse sandpaper
• ball peen hammer
• four 1-1/2 foot pieces of string
• claw hammer, preferably an old one
• two 10-penny nails
• 1 to 2 foot piece of scrap 2x4 lumber
• metal file (for filing metal)
• ruler
• notebook paper
• scissors
• pencil