2 A video quiz will follow this Power Point Presentation
3 ToolsDefinition of a tool: “A muscle-powered device that solves a problem by providing a mechanical advantage in order to do useful work.”Examples of tools include hammer, screwdriver, tape measure, drill, saw, and wrenches.
4 FastenersDefinition of Fasteners: “Devices used to join or assemble parts together.”Examples of fasteners include nails, screws, nuts and bolts, hooks, and pins.
5 HammerHammers are used as levers. They can bang in nails with the head end or remove nails using the claw end.
6 ScrewdriversBasic Screwdriver. It is also called flat blade or flathead screwdriver.Phillips Head Screwdriver
7 A flathead screwdriver is meant to be used with slotted screws.
8 Phillips head screwdrivers are to be matched with Phillips head or crosshead screws.
9 Big Idea……The end of the screwdriver must match up with the head of the screw in order to work!
10 When the screw matches with the surface of the wood, we say it is “Flush” with the board.
12 Pliers are used to grip things. “Use adjustable pliers to tighten or loosen nuts and bolts, pinch snap-rings, and other jobs that require a good grip.”
13 DrillSome drills are electric and some are hand drills. Drills bore holes into material such as wood or metal.
14 SawsSaws are used to cut materials. Saws can be electric or you can power them by hand.
15 Wrenches Wrenches are used to tighten or loosen bolts and nuts. Adjustable wrenchCombination (open and box) wrenchWrenches are used to tighten or loosen bolts and nuts.
16 Big Idea…. The wrench must fit the nut in order to turn it!
17 Measuring ToolsYardsticks(36 inches or 3 feet) measure large things like the length of a room.Tape measures are used to measure long distances like the length of a driveway.Rulers (12 inches) measure short distances
18 Fasteners- Nails Common fastener for wood A fast and strong method for joining wood.Used in building houses
19 Fasteners- PinsPins are weak fasteners that hold light things.
21 Fastener- Screws Slotted screws and crosshead screws Put into material with a screwdriver that matches the screw headScrews pull together things to be joinedScrews can be screwed into wood, metal, or plasticStronger connection than nails
22 Fasteners- Nuts and Bolts Holes must be drilled first in each itemBolt is passed through both holesNut is then threaded onto bolt and tightenedA wrench tightens everything.Strongest connection
23 With some bolts you may need a screwdriver to tighten them With some bolts you may need a screwdriver to tighten them. Look at the head of each bolt. Name the screwdriver used to tighten each bolt head.
24 You may need to use a wrench for the bolt and a wrench for the nut to tighten these nuts and bolts.
25 Quiz: Tools and Fasteners 1.True or False A. A pair of scissors would be considered a tool.B. Glue is a tool.C. A knife is a tool.D. A Phillips head screwdriver will work with a slotted screw.E. Saws are used to cut wood.F. You may need a screwdriver and a wrench to tighten a nut and bolt.
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