Engineering & Science
What is the study of natural and designed systems called?
Science
Why do engineers design solutions?
To meet the needs of society
What is one factor that influences engineering design?
Scientific findings, cost, resource availability
What problem did engineers solve with mosquito nets?
Preventing the spread of malaria
What does a microscope allow scientists to do?
See tiny objects
What do engineers use to solve problems?
Design solutions
What type of technology was inspired by burrs sticking to clothes?
Velcro
How did society influence the development of the automobile?
Demand for safer and more efficient cars
What is a challenge engineers face when designing new technologies?
Balancing cost, safety, and functionality
What do engineers use to evaluate a car’s safety?
Scientific principles like friction, collision forces,
What do we call a tool, process, or system designed to solve a problem?
Technology
How did canning food help society?
It helped preserve food for longer periods and made transportation easier
What type of scientific principle do engineers use when designing digital scales?
Electric currents, gravitational force
Why did early refrigerators switch to using CFCs?
They were safer than previous chemicals
Why is recycling rare-earth elements important for technology?
It conserves resources and reduces costs
True or False – Scientific discoveries have no impact on engineering.
False
What impact did the demand for safer bicycles have in the 1890s?
The development of safety bicycles with brakes and air-filled tires
Why did carmakers develop technologies to reduce pollution in vehicle exhaust?
To follow environmental laws
Why do engineers need to test materials before using them in cars?
To ensure safety, durability, and performance
What discovery led to changes in refrigerator design?
CFCs damage the ozone layer
Name one example of an engineered tool that helps scientists in their research.
Telescopes, computers, microscopes, etc
What is one way technology has improved medical treatments?
Prosthetic limbs, hearing aids, organ transplants, etc
What modern material was inspired by scientists studying carbon?
Carbon fiber
What challenge did early computers have compared to today’s models?
They were very large and expensive
What are two negative environmental effects of mining?
Destroys habitats, releases chemicals into the environment