Test: 3rd Grade Science

1.

Brad and Brian must separate a mixture prepared by their teacher. She asks them which items in the container could be removed by using a magnet and why. The things they have are toothpicks, sand, pebbles, marbles, iron filings, paper clips, chocolate chips, broken crayons, and bits of notebook paper.

Which items can they remove with a magnet, and why?

Pebbles and chocolate chips because they are all magnetic

Borken crayons, pebbles, and sand because they are all magnetic

Marbles, iron filings, and bits of notebook paper because they are all magnetic

Iron filings and paperclips because they are all magnetic

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