Contributed by: Illinois Science Teachers Association (ILS)
Objectives:
- To evaluate a student's ability to generalize the results of
an investigation.
- To evaluate a student's ability to make predictions based on
previous results.
Questions:
- Place a check in the column to show what you discovered about
each item's magnetic attaction.
ITEM |
ATTRACT |
|
YES
|
NO
|
washer |
|
|
penny |
|
|
popsicle stick |
|
|
nail |
|
|
rubber band |
|
|
- Look at your chart. Write a sentance about what you now know
about magnets and what they attract.
___________________________________________________________________________________________________
___________________________________________________________________________________________________
___________________________________________________________________________________________________
- If you had a metal screw, do you predict it would be attracted
to the magnet?
Student generalization should describe what materials they
observe a magnet to attract. Predictions should be supported by
their chart and generalization.
Scoring Key:
MAGNETIC TESTING |
|
Number of Points |
1.
- washer
- nail
- penny
- popsicle stick
- rubber band
|
|
1 |
2. Any logical statement about magnets and what they attract,
e.g. metal, steel, iron |
|
2 |
3. Circle |
YES
|
2 |
|
|
Total points -------- 5 |
|
|