Lab Safety

List two unsafe activities depicted in this illustration

c

d

Use tongs to handle hot objects

Wear safety goggles

Roll up loose sleeves

Tie back long hair

Identify what is wrong in the scenario: During a chemistry experiment, a student carefully pours an unknown solution from a test tube into a beaker. Another student sneaks up behind them and surprises their friend. The student accidentally drops the beaker on the floor, and pieces of glass land on their sandaled feet. (Select multiple correct answers)

• Not wearing closed-toed shoes

• Playing practical jokes in the lab

• Not cleaning up the lab area

• Not tying back long hair

Tags

NGSS.HS-ETS1-3

Click on the picture to zoom in. Imagine you are in a chemistry lab. You see a group of students performing experiments. Which student is following all the lab safety rules?

• H

• A

• E

• G

• D

While working in a chemistry lab, John must wear safety goggles and an apron when handling chemicals labeled as corrosive. This is because they:

• May stain his lab coat

• React with his skin

• Are difficult for him to pour

• Are highly flammable

Tags

NGSS.HS-ETS1-3

1. Given this paragraph: One of the most pressing issues originating from chemical manufacturing is the widespread contamination of water sources and ecosystems due to hazardous chemical waste disposal. Chemical manufacturing processes often generate toxic byproducts that, if not managed properly, can find their way into nearby rivers, lakes, and soil, leading to severe environmental degradation. These pollutants not only endanger aquatic life but also infiltrate the food chain, posing health risks to humans who consume contaminated water and seafood. Moreover, the disposal of chemical waste disproportionately affects marginalized communities residing near manufacturing facilities, exacerbating social inequalities. Inadequate waste management practices can lead to long-term health issues, restricted access to clean water, and reduced economic opportunities for these communities.

   
   

2. Answer the following questions (use complete sentences)

3. 1. Describe a concrete real-world example illustrating an immediate environmental, social, or technological concern stemming from chemical manufacturing.

2.Will this problem persist 20 years from now?

3.How can that problem be addressed or solved?

Tags

NGSS.HS-ESS3-4

NGSS.HS-ETS1-3

NGSS.HS-LS2-7