3-PS2-3: Ask questions to determine cause-and-effect relationships of electric…

Pushes, Pulls and Magnets Grade 3

Why a rolling ball always stops, whether a magnet can pull through a table, and how far a paper clip will jump. Three lessons on the pushes and pulls that start, stop and steer things.

• Can a magnet work through a table? 45–60 min

  Teams test whether a magnet can pull a paper clip through paper, foil, plastic, cloth and wood, then count how many cards it can pull through before it lets go. They find out that most materials don't block a magnet at all: distance is what weakens the pull.

• How far will a paper clip jump? 45–60 min

  Teams slide a magnet slowly toward a paper clip along a ruler and measure the gap at the moment the clip jumps. They repeat it, use the pattern to predict what two and three magnets will do, and then design a magnet gadget that works without touching.

Printable practice for 3-PS2-3

• Pushes, Pulls and Magnets workbook included with the unit

  2 English-support pages, 2 practice pages, 2 readings, 1 word wall, 1 unit review, 1 unit test, with answer keys.

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