Many homes have heating and cooling systems installed. Which term best describes the beginning temperature of the home, before the heating or cooling system turns on?

• a feedback

• a control

• an output

• an input

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which of these is a limitation of using a model to study something?

• A model cannot represent a thing exactly.

• A model cannot illustrate things that are dangerous.

• A model cannot depict things that are too far away.

• A model cannot show things that are too small or too large.

Which of these is the best example of the interdependence between technology and the environment?

• The invention of the telephone allowed people to communicate over very long distances.

• The invention of the automobile resulted in increased air pollution from vehicle emissions.

• The invention of the steam engine helped to pave the way for the invention of the internal combustion engine.

• The invention of photographs and motion pictures gave people the opportunity to experience places they could not actually visit.

Tags

NGSS.MS-ESS3-2

NGSS.MS-PS1-3

During which step of the engineering design process would a scientist publish a report in a scientific journal?

• conduct background research

• prepare preliminary designs

• communicate results

• test a prototype

Wen is a bike messenger. He has found that it is difficult to carry large packages on his bike. After conducting some research, Wen has come up with an idea for a new type of backpack that might help him carry packages. What is Wen’s next step?

• conduct research

• revise the solution

• create a prototype

• communicate results

Tags

NGSS.MS-ETS1-1

Which of these is NOT a skill an engineer would use to design a bridge?

• thinking creatively

• thinking methodically

• using math and models

• designing a controlled experiment

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

NGSS.MS-ETS1-4

Living organisms are typically incorporated into the technological process to make which product?

• bread

• gasoline

• prosthetics

• airplane wings

Tags

NGSS.MS-ETS1-3

Technology has many effects. What type of effect is most desirable?

• expected unfavorable

• unexpected unfavorable

• expected favorable

• unexpected favorable

Tags

NGSS.MS-ESS3-4

Which term best describes the collection of technological systems made by engineers, technologists, and scientists that meets people’s needs and improves their quality of life?

• the natural world

• the designed world

• the life science world

• the materials science world

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

NGSS.MS-ETS1-4

Which of these is the best example of interconnected technological systems?

• A person works up a sweat after going for a run and then cools off by taking a shower.

• A person rides a bicycle over a nail in the road, which causes the bicycle’s tire to burst.

• A person increases the heat setting on a thermostat, which sends a signal that turns on the furnace.

• A person places several different fruits into a blender and then turns on the blender to make a fruit smoothie.