What is the first step in the engineering design process mentioned in the video?

• Testing the prototype

• Defining a problem or need

• Brainstorming ideas

• Researching solutions

Answer explanation

The first step in the engineering design process is defining a problem or need. This step is crucial as it sets the foundation for all subsequent stages, ensuring that the solutions developed address the right issues.

What is the main problem the narrator faces?

• They don’t have enough ingredients

• They are hungry and have friends coming over

• They have too little time to prepare

• They cannot find their recipe

Answer explanation

The main problem the narrator faces is that they are hungry and have friends coming over, which creates urgency to prepare food. This choice directly addresses their immediate need for food and social interaction.

Which of the following is NOT mentioned as a factor in determining the design requirements?

• Ingredients available

• Amount of money to spend

• Friends' favorite food

• Time available

Answer explanation

The design requirements are influenced by factors like available ingredients, budget, and time. However, friends' favorite food is not mentioned as a determining factor, making it the correct choice.

Tags

NGSS.MS-ETS1-1

What solution does the narrator initially consider for their hunger problem?

• Ordering food online

• Making tacos

• Eating PB and J sandwiches

• Going out to eat

Answer explanation

The narrator initially considers ordering food online as a solution to their hunger problem, indicating a desire for convenience and immediate satisfaction.

What feedback do the testers give about the PB and J on corn tortillas?

• It tastes amazing

• It’s too spicy

• It’s gross

• It needs more peanut butter

Answer explanation

The testers found the PB and J on corn tortillas unappealing, leading to the feedback that it’s gross. This indicates a strong negative reaction compared to other options.

What ingredient does the narrator add to improve the veggie tacos?

• Hot sauce

• Cheese

• Guacamole

• Lettuce

Answer explanation

The narrator adds cheese to the veggie tacos to enhance their flavor and texture, making them more delicious and satisfying compared to the other options like hot sauce, guacamole, or lettuce.

How do the friends react to the final tacos?

• They think they are too spicy

• They are indifferent

• They think they are pretty good

• They suggest ordering food instead

Answer explanation

The friends react positively to the final tacos, expressing that they think they are pretty good. This indicates a favorable opinion rather than indifference or suggesting alternatives.

What does the narrator decide to do with the taco recipe?

• Keep it a secret

• Share it online

• Forget about it

• Write it in a book

Answer explanation

The narrator decides to share the taco recipe online, indicating a desire to connect with others and showcase their culinary skills, rather than keeping it a secret or forgetting about it.

What does the term 'iterating' refer to in the video?

• Making changes based on feedback

• Following a strict recipe

• Ignoring testers' suggestions

• Cooking without a plan

Answer explanation

In the video, 'iterating' means making changes based on feedback. This process involves refining and improving a project by incorporating suggestions, rather than ignoring them or following a rigid plan.

Tags

NGSS.MS-ETS1-3

NGSS.MS-ETS1-4

Why does the narrator call their friend Sam?

• To ask for a ride

• To bring more ingredients

• To help with cooking

• To bring hot sauce

Answer explanation

The narrator calls Sam to help with cooking, indicating they need assistance in preparing a meal. This choice directly addresses the need for help in the kitchen, making it the correct answer.