Looking at the final row, I can see:
1. Left object: This appears to be a paper airplane. A paper airplane doesn't directly represent one of the classical simple machines in the traditional sense, but it demonstrates principles of aerodynamics. However, if we consider its construction, folding paper creates wedges and inclined planes.
2. Right object: This is a flag on a flagpole. The flagpole typically uses a pulley system to raise and lower the flag. A pulley is a wheel with a grooved rim that holds a rope or cable, allowing for changing the direction of force applied.
Now I have examined all the objects in the worksheet. Let me summarize my findings for each object:
Row 1:
- Scissors: Lever
- Pliers: Lever
Row 2:
- Shopping cart: Wheel and axle
- Stapler: Lever
Row 3:
- Hammer: Lever
- Claw hammer/Crowbar: Lever
Row 4:
- Tweezers: Lever
- Axe: Wedge
Row 5:
- Stapler: Lever
- Ladder: Inclined plane
Row 6:
- Power drill: Screw
- Skateboard: Wheel and axle
Row 7:
- Paper airplane: Wedge/Inclined plane (in construction)
- Flagpole: Pulley
I've now identified the simple machines for all the objects shown in the worksheet.
Parent Tip: Review the logic above to help your child master the concept of simple machines worksheet.