Question

think safety first worksheet
direction: work with a partner and take turns identifying what is the potential accident and what is the prevention action that should be taken? use this worksheet to practice each spin - off is important during the think safety first game.

1. you are using a microscope to view a wet mount of skin cells.

accident: __________
prevention: __________

1. you wash your hands, and dont dry them. you pick up a beaker to carry it to your lab station.

accident: __________
prevention: __________

1. your lab station is messy, covered with papers and supplies. you need to heat water on a bunsen burner.

accident: __________
prevention: __________

1. the class before you left a beaker sitting on a hot plate at your lab station. the hot plate is off.

accident: __________
prevention: __________

1. while measuring chemicals for a solution, you accidentally spill a large amount.

accident: __________
prevention: __________

1. you need to measure the mass of a large, heavy rock. you decide to use a spring scale.

accident: __________
prevention: __________

1. you are using a bunsen burner to heat a chemical. you need your notebook, which is on the other side of the flame.

accident: __________
prevention: __________

1. you discover that the test tube you are using has a crack in it.

accident: __________
prevention: __________

Explanation:

Answer:

1. Accident: Damaging the microscope lens or getting an unclean view; Prevention: Use a coverslip on the skin cells sample, handle the microscope carefully.
2. Accident: Dropping the beaker, breaking it or spilling contents; Prevention: Dry hands thoroughly before handling glassware.
3. Accident: Fire hazard from flammable materials, burns from Bunsen burner; Prevention: Clean and organize the lab station before starting experiments.
4. Accident: Burns from the hot plate, breaking the beaker; Prevention: Check lab station for hazards before use, turn off hot plates when not in use.
5. Accident: Chemical spill causing burns, contamination; Prevention: Use appropriate measuring tools, work carefully to avoid spills.
6. Accident: Breaking the spring scale, inaccurate measurement; Prevention: Use a suitable scale (like a balance) for heavy objects.
7. Accident: Burns from the Bunsen burner flame; Prevention: Move the notebook before lighting the burner or use tongs to move it.
8. Accident: Chemical spill, breakage of test tube; Prevention: Inspect glassware for cracks before use.