Engineering a Hot Pack - Lab Prep

What does your whole group need before you can grab chemicals?

• Goggles on the forehead

• Goggles on over your eyes

• Only gloves

• None of the above

What does the person handling the Calcium Chloride and chemicals need? (Check all that apply)

• Goggles on

• Gloves

• Open-toed shoes

• None of these

When I test the reaction, I combine the baking soda, calcium chloride and water in..

• the empty beaker in my supply bin

• in the plastic bag of my prototype

• In the beaker with Baking soda

• In the graduated cylinder

Tags

NGSS.MS-PS1-2

What should you do with the gloves?

• Have them on whenever I am dealing with chemicals at my table

• Make a balloon with them

• Tear them up and poke holes

Tags

NGSS.HS-ETS1-3

This is what your supply bin should look like when you clean up.

Which of the following should you do? Click all that apply.

• Thermometer is in plastic cover

• No building materials are in the bin

• Bin is clean with no spilled chemicals

• Leave the prototype in the bin

Which of the following are lab safety rules that apply today?

• No rough housing or horseplay

• Wear goggles and other protective equipment

• No eating or drinking in the lab

• All of the above