Physical Education is needed not only when you are in 9th grade; it is needed every year.
The purpose of flipping through a literature anthology isi to help you :
Generate Topic
This will potentially served as your cube of inspiration from your literature
Hope this helps
Name an example of wedge. screw. inclined plane. lever. pulley. wheel and axle.
door stop. drill bit. truck loading ramp. nut cracker. crane. door knob.