Examples of Simple Machines | ||
#1 | Draw an example of a lever. | Show me your picture. |
#2 | Draw an example of a screw. | Show me your picture. |
#3 | Draw an example of a pulley. | Show me your picture. |
#4 | Draw an example of an inclined plane. | Show me your picture. |
#5 | Draw an example of a wedge. | Show me your picture. |
Simple Machine Vocabulary | ||
#1 | a push or pull. | What is force? |
#2 | a change in position | What is motion? |
#3 | when a force moves an object, __________ is done. | What is work? |
#4 | the measure of how fast something moves over a certain distance | What is speed? |
#5 | the force that pulls objects towards each other | What is gravity? |
More Vocabulary | ||
#1 | a measure of the pull of gravity on an object | What is weight? |
#2 | a tool that helps people do work | What is a simple machine? |
#3 | a flat surface that is higher on one end than the other | What is an inclined plane? |
#4 | a bar that moves on or around a fixed point | What is a lever? |
#5 | the fixed point on a lever | What is a fulcrum? |
Uses of Simple Machines | ||
#1 | This can be used to chop wood. | What is a wedge? |
#2 | A see-saw is an example of this simple machine. | What is a lever? |
#3 | This can be used to pull a bucket out of a well. | What is a pulley? |
#4 | The door knob could not be turned without this. | What is a wheel and axle? |
#5 | This is part of a lid so I can close the peanut butter jar. | What is a screw? |
Do You Remember? | ||
#1 | Books move better atop four pencils because __________ is reduced. | What is friction? |
#2 | To lift a lion with a lever it would be better to use a long bar. Why? | What is you would need less effort? |
#3 | If the ___________ side is longer than the Load side on a lever you will have leverage. | What is force? |
#4 | The opposite of a force side on a lever. | What is the load side? |
#5 | When I'm going down a hill in a wagon, I am using a wheel and axle. I'm also using ___________. | What is gravity? |
Final Question | |