Please help I will give brainlest 5 star and thanks In this task, you’ll design and build a prototype of the cold pack. The cold pack will allow the user to start a chemical reaction that absorbs energy. The reaction involves mixing powders from two compartments with water.

Estimated time to complete: 2 hours

You will need these materials:
safety goggles
1 toilet paper tube or a small rectangular box (depends on cold pack compartment shape from Task 2)
scrap cardboard of different thicknesses, such as cereal boxes, tagboard, and shipping boxes
scrap paper
scissors
glue
tape
thread or string
paper clips
plastic produce bag or similar
½-cup measuring cup
1-teaspoon measuring spoon
4 teaspoons baking soda
water
Note: You may not use all of the materials, and you may need to gather more materials when you build your prototype.

Stay safe! Always wear your safety goggles. Be careful while handling sharp objects.
Part A
Identify the problem that the cold pack must address.

Criteria are the specific goals of the design. List at least two criteria for the design based on the question, What do you want it to do? Keep in mind the design of the cup and what you learned from observing the endothermic chemical reaction.