Science 3 Assignment Sheet for Week of December 5, 2005

Updated Tuesday

 

            While studying simple machines, historical resources will be utilized.  During class the students will be involved in writing an article on simple machines for a Roman newspaper.  They will also be drawing to make a poster of the 6 simple machines.  We will start this next week when my family is not sick.  I apologize for confusion regarding the assignments last week.   

Wednesday, December 7  (only work on class work for 30 minutes)

¨       See Poster directions and do step 1 and 2. If time,collect magazine pictures, copies of encyclopedias, or drawings of simple machines.  We will begin to cut and paste tomorrow.

¨       Review all chants and continue learning new chant

Friday  December 9   (only work on class work for 30 minutes)

 

¨ See poster directions and do step 3: Collect magazine pictures, copies of encyclopedias provided, or drawings of simple machines.  Choose one or two pictures to represent each simple machine.

    On weekend continue to read book for our reading record. 

       Review chants and be able to say them for class next week

Monday December 12 (only work on class work for 30 minutes)

¨       See poster directions and complete step 4.  Please bring poster to class and we will complete step 5  in class.

¨       Read  from book for our reading record.

¨       Review all chants and continue learning new chant.

 

Vocabulary is given for reference:

Force:  Something that changes the position, shape, or speed of an object.

 

Work:  The amount of work done is calculated by multiplying the force times the distance the object has traveled.  Work = distance x force

 

Inclined plane:  a leaning, slanted flat surface used as a simple machine such as a ladder or ramp.

 

Fulcrum:  the point on which a bar rests.

Lever:  a bar that turns on a point.  An example of one is a shovel,

 

Wedge:  Two small inclined planes put together used to move into or under an object. An example is chisel or knife blade. 

 

Screw:  A screw uses an inclined plane  as it’s spiral ridge as it winds round and round.

Pulley:  A pulley is a wheel with a groove around its outside.  It changes the direction of the force.  An example is a flagpole.

 

Wheel and Axle:  A wheel is fixed to the shaft such as a doorknob.