choosing the best materials
If you needed a material to make a water bottle would you use paper,cardboard,wood or metal
metal
What is a material?
something you use to make something.
Engineers make materials and improve them all the time so we can have what?
The best and most useful materials
If you wanted lemon aid and you had lemon sugar and water how would you make it.
add the ingredients together
What does design mean
to make or create something
If you needed to make a shoe would you use rubber for the top and leather for the bottom or should you use rubber for the bottom and leather on the top.
Rubber for the bottom and leather for the top.
What is an Engineer?
a professional who who applies scientific and mathematical principles to design, develop, build, and test structures, machines, systems, or processes
Engineers follow certain steps when choosing What
A material to use in a design
If you wanted light blue paint but you only had dark blue and white what would you do.
mix the dark blue and the white together to make light blue.
What are properties
The properties are something you want for a material or a solution called criteria
If you wanted to make a travel sized pencil sharpener would you use plastic or metal.
Plastic
What is a solution
solving a problem
When developing a solution engineers must work with what?
certain constraints
You can follow the steps of engineering process to design what?
Your own material
after inventing a new material Engineers sometimes have to keep working to find what
The best way to make a new material
Would you use paper to make a piano
No
What is a constraint?
A limit that keeps something from doing a certain thing.
You can follow a step of the engineering process to what?
design your own material
What is the last step of engineering your own material.
test your design to see if your problem was solved
When engineers create new materials they have to start by doing what?
Studying existing materials.
Would you use metal or stainless to make utensils
stainless steel
What is Criteria?
The properties that you want a material or a solution to have.
Carbon fiber is made by what
Rearranging carbon particle
During the Engineering Process you define your problem and identify what
criteria and constraints
the engineers have to use what they know about what to make new materials
matter