Find a Problem
What main problem did freezing food solve?
How can we keep food fresh/from spoiling/last longer.
Which material would make the best base support when building a bridge?
A. marshmallows C. toothpicks
B. playing cards D. toy car
A. marshmallows
Noel builds a paper bridge between two stacks of books. It collapses when she pushes a toy car across it. Which material would not help her improve the bridge?
a. markers c. straws
b. paper d. tape
a. markers
What step of the Design Process is "Communicate"?
Step 5
What is the main goal of the Design Process?
Find solutions to Problems (Solve Problems)
Kayla lives in a city with a lot of people, but not much land. There's not enough space for each family to have its own house. What problem will engineers use the design process to try to solve?
There's not enough space for each family to have its own house.
If you only had rope and 10 pieces of wood (about 1' 6" long), how could you solve the problem of getting in and out of a tree house?
Build a rope ladder
Alan is using the design process to build a robot. After building his robot, what should Alan do next?
Test and Improve
Johnny redesigned his chair by adding a cover with pockets that allowed him to put his extra books and pencils in it and keep his desk cleaner. He tested it and it worked. What should Johnny do next?
Communicate his results/idea
What is Technology?
Anything people make or do that changes the natural world, is Technology.
Dishwashers and Clothes dryers are fairly new technologies. How did these appliances change peoples lives? It made these chores take ________ time.
It made these chores take less time, which lets people do other things.
Kayla lives in a city with a lot of people, but not much land. There's not enough space for each family to have its own house. What did engineers build to solve this problem?
Tall buildings that can house many people (skyscrapers)
Which is not a way to make a paper bridge stronger?
a. adding layers of paper to the bridge
b. using a heavier toy car to cross the bridge
c. taping the sides of the bridge to books
d. adding craft sticks supports under the bridge
b. using a heavier toy car to cross the bridge
Which of these technologies can transport people the farthest distance in the shortest amount of time? Explain.
a. bus c. skateboard
b. airplane d. bicycle
b. airplane
Planes travel hundreds of miles an hour and can even cross oceans!
What will you see at a train station that is not technology?
People
Mica and Kiara are preparing to build a tree house. Which steps of the design process will they use before they start building their tree house?
Find a Problem & Plan and Build (a prototype)
What is the purpose of a prototype?
to test a design
Robert plans and builds a bird feeder. He puts the bird feeder in his yard, but the birds cannot get the food because the hole is too small. What should Robert do next?
Redesign
Tia will walk to school today. It is cold outside and raining. What are three examples of technology that she could use on her walk to school?
Coat, hat ,gloves, boots, umbrella, earmuffs, mittens, etc...
A series of steps used by engineers to solve problems and create new technology...
The Design Process
What problem did engineers solve by building escalators?
Making it easier to get up and down stair without climbing
What two things should you do, when planning, before you begin building?
Draw a prototype and gather materials
Iron tracks were invented for train travel. Which improvement in trains was not a result of the invention of iron tracks?
a. Trains became larger.
b. Trains became faster
c. Trains carried heavier loads.
d. Trains used diesel engines instead of steam engines.
d. Trains used diesel engines instead of steam engines.
Engineers design a machine that will decrease air pollution. What is the main purpose of telling others about this machine?
a. to build a prototype
b. to gather data
c. to keep people from copying the design
d. to help others solve the same problem
It would help others solve the same problem
Put the following transportation technologies in order of when they were developed, from first to most recent.
1. Covered Wagon
2. School bus
3. car
4. Space Shuttle
1, 3, 2, 4
1. Covered Wagon
3. car - (invented before the school bus)
2. School bus
4. Space Shuttle