1. use tweezers to remove and observe a piece of graphite
2. place the magnetite on the magnet
3. toss the calcite into the hydrochloric acid bath
4. scrape the minerals on a scratch plate
Test the magnetic response of the minerals to hydrochloric acid.
| comfort | ⦾ Not rated |
| age rating | 0+ Everyone |
| storage | 0.2 GB |
| website | training.contentsda.kr |
| developer | ContentsDaInc |
| publisher | ContentsDa Inc |
| connection | Internet not required |
| app version | 1.5 |
| languages |
English ∙ Korean
|