What is the main goal of the design process?

• to write reports

• to make prototypes

• to make charts and graphs

• to find solutions to problems

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

What is technology?

• anything made by nature

• anything that costs a lot of money

• anything people make that has no purpose

• anything that people make or do that changes the natural world

Engineers designed plans to make freezers for food. What main problem did freezing food solve?

• how to keep food fresh

• how to make ice cubes

• how to make ice cream

• how to make it easier to pack food into trucks

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

Which object in a train station is not technology?

• a clock

• a door

• a person

• a schedule board

How did these students solve the problem of how to get in and out of their tree house?

• They built a rope ladder.

• They built steps on the tree trunk.

• They climbed branches to reach the tree house.

• They built it low so they can reach it from the ground.

Tags

NGSS.3-5-ETS1-1

NGSS.3-5-ETS1-2

Engineers designed a machine that will decrease air pollution.What is the main purpose of telling others about this machine?

• to build a prototype

• to gather data about a problem

• to keep people from copying a design

• to help other people solve the same problem

Tags

NGSS.MS-ESS3-3

NGSS.MS-ETS1-1

Misha and Kira are preparing to build a tree house. Which steps of the design process will they use before they start building their tree house?

• Redesign. Communicate.

• Find problems.

  Communicate.

• Test and improve a prototype. Redesign.

• Find problems. Plan and build a prototype.

Tags

NGSS.MS-ETS1-1

Naima 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 to improve the bridge?

• markers

• paper

• straws

• tape

Kayla lives in a city with a lot of people, but not much land.There is not enough space for each family to have its own house. Which is a way engineers can help solve this problem?

• by identifying not enough land as the problem in the city

• by communicating with other engineers to share the problem

• by designing and building tall buildings that can house many people

• by having people from different families live together in a house

Tags

NGSS.MS-ETS1-1

Dishwashers and clothes dryers are fairly new technologies.Which is a way that these appliances changed people’s lives?

• They make dishes and clothes last longer.

• They never break, so people do not have to worry about them.

• They make chores take longer because these appliances must be watched.

• They make these chores take less time, which lets people to do other things.