Simple Machines
Across
- 4. Makes moving things easier because it takes less force to move something up a slope than to lift it straight up.
- 6. The object or weight that is being moved or lifted by a simple machine.
- 7. A ______________ is a simple machine that helps make work easier by allowing you to move or lift things with less effort. It consists of two round wheels attached to a rod, called the axle.
- 8. A _____ is used to hold things together.
- 9. The force applied to a simple machine to move a load.
Down
- 1. A push or pull on an object that can cause it to change motion.
- 2. The balancing point of a lever is called the _______. The _______ is the fixed point around which the lever pivots or rotates.
- 3. Some examples of this simple machine are: an axe,knife,chisel,scissors,shovel,nail and a doorstop.
- 5. A ______ can help you lift heavy things by giving you a mechanical advantage, which means they make the force of your work stronger.
- 6. When you exert a downward force on one end of the _____, that force is transferred and increased in an upward direction at the other end, which allows a small force to lift a heavy weight.