1857103 - Challenge: Know and Need to Know T-Chart by Hanna Roach

I know we need to build a structure that prevents plants from freezing in the cold weather. The will be about about 7x5x5 inches. We will use a cooler or ice chest to test the model.

2025-01-21 22:17:43 UTC

What is the success criteria?

2025-01-21 22:18:41 UTC

2025-03-19 01:28:11 UTC

I know we have 30 minutes to build a cover for plants that retains heat, withstands wind and water, and protects against freezing for 6 hours. The structure should be less than 20x15x15 cm in size, and we'll have 3 minutes to present our design.

2025-03-19 02:36:36 UTC

What types of plants are we protecting so we can protect to the correct temperature?
How will success be measured at the end of the challenge (specifically how will we judge whether a plant is "frozen" or not?)

2025-03-29 22:14:45 UTC

I know the problem is the freeing temperature in Texas and how plants are sensitive to cold weather. The structure being built needs to be drain from the top. I know the structure needs to maintain heat to prevent plants from freezing.

2025-03-29 22:16:25 UTC

I need to know the minimum temperature a plant can survive.

I need to know if the structure will be built for native plants or tropical plants.

What do you KNOW about the design challenge?

2025-07-09 15:16:22 UTC

I know that we will be designing a structure that covers plants and retains enough heat to prevent plants from freezing. I have a given list of materials (including the live plant) to utilize, a list of criteria and constraints to go along with this project and that I have a suggested time frame that challenges the design process.

M. Crowell

What do you NEED TO KNOW about the design challenge?

2025-07-09 15:25:24 UTC

I need to know the mil of the plastic and tarp. Researching the temperature parameters (normal vs. freezing) for my given plant, because some are heartier than others would be an important factor to know. I need to know which of our materials might support our design the best and what allows for more heat retention. I will also need to know what my dimensions of my design are going to be because they have to be less than 20x15x15 cm and will have to depend on the size of my plant as well.

M. Crowell