Science Ch 18

Question 1

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

Answer 1

Using the scientific process and knowledge

Question 2

What is technology?

Answer 2

Technology is using scientific knowledge for a purpose

Question 3

What are the three technological time periods?

Answer 3

Cavemen Technology
After 1800 technology
Today’s technology

Question 4

What is an example of caveman technology?

Answer 4

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

Question 5

What is an example of after 1800s technology?

Answer 5

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

Question 6

What is an example of today’s technology?

Answer 6

Rocketships, robots, cell phones, electric cars

Question 7

What is an inventor?

Answer 7

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

Question 8

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

Answer 8

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

Question 9

What are some negative changes Technology can do?

Answer 9

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

Question 10

How has technology changed the way people live?

Answer 10

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

Question 11

Give some examples of simple technology in our homes…

Answer 11

Simple= scissors, light, heat

Question 12

What invention led to the video development of DVDs?

Answer 12

CDs or compact discs

Question 13

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

Answer 13

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

Question 14

What is manufacturing?

Answer 14

The production of goods on a large scale

Question 15

What’s an assembly line?

Answer 15

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

Question 16

How did the assembly lines make life easier?

Answer 16

It made it easier by making products faster and cheaper

Question 17

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

Answer 17

Things get made faster and mistake proof

Question 18

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

Answer 18

People lost their jobs to the Machines

Question 19

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

Answer 19

Steam engines, safety bicycles, and airplanes

Question 20

What is a negative effect of technology and transportation?

Answer 20

Air pollution

Question 21

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

Answer 21

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

Question 22

What is a microchip?

Answer 22

A small piece of a computer that contains microscopic circuits

Question 23

How did Microchip help make life easier?

Answer 23

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

Question 24

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

Answer 24

1990

Question 25

Give some examples of medium technology in the home

Answer 25

Medium = dishwashers, alarm clocks, microwaves, televisions

Question 26

Give me some examples of complex technology in the home

Answer 26

Video doorbell, Alexa, cell phones, smart TVs,