Science Ch 18 Flashcards

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1
Q

What can you use to solve problems, make decisions, and form new ideas?

A

Using the scientific process and knowledge

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2
Q

What is technology?

A

Technology is using scientific knowledge for a purpose

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3
Q

What are the three technological time periods?

A

Cavemen Technology
After 1800 technology
Today’s technology

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4
Q

What is an example of caveman technology?

A

Discovering fire and how to use it to benefit their lives like creating warmth, light, to cook food, and scare off predators

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5
Q

What is an example of after 1800s technology?

A

Refrigeration preserve foods longer,
railroads faster/easier transportation,
cars lights and inventions of machines that run by electricity, and electricity

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6
Q

What is an example of today’s technology?

A

Rocketships, robots, cell phones, electric cars

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7
Q

What is an inventor?

A

Someone who uses technology to develop a new device or process or solve a problem

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8
Q

What is an example of technology changing things for the better?

A

An example is like building roads and bridges, faster way of doing things

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9
Q

What are some negative changes Technology can do?

A

Machines/cars can pollute the air, water, and soil

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10
Q

How has technology changed the way people live?

A

Advances in medicine, job, opportunities, and change in transportation

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11
Q

Give some examples of simple technology in our homes…

A

Simple= scissors, light, heat

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12
Q

What invention led to the video development of DVDs?

A

CDs or compact discs

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13
Q

Give examples of technology in the homes that have improved the health of humans

A

Refrigerators or freezers that helped humans to store food longer without it spoiling
Dishwashers that can clean dishes faster than washing them by hand
Washing machines and dryers that can clean and dry clothes at a faster rate than hand washing and clothesline

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14
Q

What is manufacturing?

A

The production of goods on a large scale

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15
Q

What’s an assembly line?

A

A product moves through the factory while workers add parts to it

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16
Q

How did the assembly lines make life easier?

A

It made it easier by making products faster and cheaper

17
Q

What is the positive affects of having machines and robots in assembly lines?

A

Things get made faster and mistake proof

18
Q

What is a negative effect about robots in an assembly line?

A

People lost their jobs to the Machines

19
Q

What are some examples of technology that changed the way people move from place to place?

A

Steam engines, safety bicycles, and airplanes

20
Q

What is a negative effect of technology and transportation?

A

Air pollution

21
Q

What was size of a the computer back then and what is the computer size now?

A

The computers used to be the size of an entire room and now they fit in your hand

22
Q

What is a microchip?

A

A small piece of a computer that contains microscopic circuits

23
Q

How did Microchip help make life easier?

A

It made it easier by making it possible for computers to process information very quickly and they also made the cost of buying a computer much lower

24
Q

World wide web www.was not introduced until what year?

A

1990

25
Q

Give some examples of medium technology in the home

A

Medium = dishwashers, alarm clocks, microwaves, televisions

26
Q

Give me some examples of complex technology in the home

A

Video doorbell, Alexa, cell phones, smart TVs,