Simple Machines Third Grade SOLs Inclined Plane Flat

Simple Machines Third Grade SOLs

Inclined Plane • Flat surface with one end higher than the other, which allows things to be lifted.

Inclined Plane • Video: http: //www. youtube. com/watch/? v=E_Er. I 0 Qj. Nos stop at 2: 46 • Experiment: http: //www. youtube. com/watch? v=1 Nx. L 13 Sz. Lqg • Read page E 54

Lever • Used to push, pull or lift things • Has 2 parts– first a stiff bar that moves – second a fulcrum- does not move

• Video: stop at 4: 07 http: //www. youtube. com/watch? v=Od. M 2 j Wg 2 u. EE • Read page E 44

Wheel and Axle • A rod connected to a wheel • This makes it easier to turn things

• Video- stop at around 2: 00 https: //www. youtube. com/watch? v=P 7 xu 9 O 0 mi. Ec • Read page E 47

Wedge and Screw • Used to cut or split objects • Is not used to lift things!

• Wedge http: //www. youtube. com/watch? v=LAAw. Zi rd 80 k • Screw http: //www. youtube. com/watch? v=Yg. ROc ddl 6 EE • Read E 55 - E 56

Pulley • Made of a wheel and a rope wrapped around it • It makes lifting easier

• Video- stop at 3: 20 http: //www. youtube. com/watch? v=a. Mx 7 n. II H 9 ik • Read E 48

• Brain Pop Jr. Video • http: //www. brainpopjr. com/science/forces/ simplemachines/preview. weml • Bill Nye Video • http: //www. youtube. com/watch? v=0 Lnkvi. A r. KBA

Compound Machines • Two or more simple machines put together • Goonie- Truffle Shuffle • http: //www. youtube. com/watch? v=V-Ln 03 xga. Uc • Which simple machines did you see?